Re: [Emc-users] Machine For Conversion?

[TERRY Christophersen]

BT 35 holders are more than 40taper. 
Just something to think about
I have a Kitamura with 35 taper.  

Sent from my iPhone

> On Nov 6, 2019, at 11:40 AM, andy pugh  wrote:
> 
> On Wed, 6 Nov 2019 at 17:06, Todd Zuercher  wrote:
> 
>> How good of a candidate for conversion would an old YCI SuperMax 60A be.
>> We are considering buying this.
>> 
>> https://akroncanton.craigslist.org/bfs/d/cnc-vertical-machining-center-supermax/7010042462.html
> 
> 
> I think it would depend on the condition of the ways. It is nice that it
> has a toolchanger.
> Make sure that it has one motor per axis, and isn't one of those that
> shares one motor and clutches the axes in and out.
> 
> -- 
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> "A motorcycle is a bicycle with a pandemonium attachment and is designed
> for the especial use of mechanical geniuses, daredevils and lunatics."
> — George Fitch, Atlanta Constitution Newspaper, 1916
> 
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Re: [Emc-users] Home switches.

[TERRY Christophersen]

Table toward you and to the left is machine home.
4th axis on the right hand side of the table.
This is how most machines are.

Sent from my iPhone

> On May 25, 2018, at 1:26 AM, Marcus Bowman 
>  wrote:
> 
> 
>> 
>> And that brings up the third question about a 4th axis.  If you have one, do
>> you tend to put it on the left just like a lathe spindle or on the right?
>> Any reason for the preference?  Often there are tool changers on the left so
>> it makes more sense to have the 4th on the right.
> 
> My mill is a benchtop-style arrangement, rather than a Bridgeport-style knee 
> mill.
> My 4th Axis is based on a large diameter rotary table, mounted on its side.
> I always put my 4th axis on the left, because if I put it on the right, it 
> would foul the quill handle, if I used it. Separate quill feed is manual, and 
> although I can't recall the last time I used that handle in conjunction with 
> the 4th axis, it's always a possibility. 
> That position means feeds along the work at -ve X, which is not intuitively 
> convenient, but I live with it.
> 
> Marcus
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Re: [Emc-users] Poor CV

[TERRY Christophersen]

Have you tried the new tp with g41/g42? Im sure it wont matter but just in
case...

Terry
One thing I have noticed - with the new TP - the path reaches commanded
speed.  mach gets close but is usually a few percent under.

Take this program steve posted a while back.  (
http://electronicsam.com/images/KandT/testing/steve.ngc )

New TP
http://imagebin.org/296859
If you calculate it out - it is about 3600mm/min.  that is the commanded
velocity  (following path within .1mm aprox .004)   it actually
finishes a whole .5 seconds faster ;)

With Mach
http://imagebin.org/296858
it peaks at about 3300mm/min.

sam  (having too much fun...)



On 2/20/2014 10:37 AM, sam sokolik wrote:
 Steve!

 Here is your sample of gcode running the newest TP

 Original TP
 http://imagebin.org/294551  (limit of the 1 segment look-ahead)

 New TP (which does arc-arc , Line-arc and line-line look-ahead.)
 http://imagebin.org/294550

 Robs hard work is awesome! (and it keeps improving)

 sam


 On 04/07/2013 05:28 PM, Steve Blackmore wrote:
 On Sun, 7 Apr 2013 10:21:11 -0500, you wrote:

 On Sun, Apr 07, 2013 at 10:13:11AM +0100, Steve Blackmore wrote:
 CV in LinuxCNC still does not work well. Have a look at this

 http://youtu.be/ph_IVXg1C9Y
 Please share your gcode and your full config directory.
 Hi Chris - Here's part of the code - it's obvious early on without all
 of it. I'll post the config tomorrow - machine is at work.

 BTW - Changing N190 to

 N190 G64 P0.5

 and it runs better, but that's far too much deviation.

 This was first reported on 26th July 2011 in a post
 trying to understand EMC's operation
 Have a read of that thread for way more information. Daniel Rogge
 concurs in his tests posted on 29th.

 I've re posted as this is still occurring since V2.4 !

 N100 G0 G21 G17 G90 G40 G49 G80
 N110 G91.1
 N120 G1 Z20.000 F3600.0
 N130 T1 M06
 N140 (End Mill {6 mm})
 N150 G43H1 Z20.000
 N160 S12000 M03
 N170(Toolpath:- Profile 1)
 N180()
 N190 G64
 N200 G1 X0.000 Y0.000 F3600
 N210 G0 X-1.974 Y8.147 Z6.000
 N220 G1 X-1.974 Y8.147 Z-1.000 F1200.0
 N230 G2 X-1.346 Y40.813 I1274.739 J-8.173 F3600.0
 N240 G1 X-1.246 Y43.543 Z-1.000
 N250 G1 X-1.175 Y44.975 Z-1.000
 N260 G2 X0.630 Y65.631 I357.751 J-20.852
 N270 G2 X3.629 Y86.169 I356.674 J-41.593
 N280 G1 X3.738 Y86.813 Z-1.000
 N290 G1 X3.885 Y87.608 Z-1.000
 N300 G1 X4.121 Y88.649 Z-1.000
 N310 G1 X4.891 Y91.654 Z-1.000
 N320 G2 X8.045 Y101.818 I125.643 J-33.412
 N330 G2 X12.017 Y111.685 I122.371 J-43.533
 N340 G1 X12.167 Y112.021 Z-1.000
 N350 G1 X12.392 Y112.507 Z-1.000
 N360 G1 X12.836 Y113.360 Z-1.000
 N370 G1 X14.404 Y116.145 Z-1.000
 N380 G2 X48.101 Y150.602 I84.920 J-49.341
 N390 G2 X94.143 Y164.886 I51.247 J-83.839
 N400 G1 X98.585 Y165.027 Z-1.000
 N410 G2 X107.856 Y164.832 I1.550 J-146.800
 N420 G1 X114.650 Y164.312 Z-1.000
 N430 G1 X121.416 Y163.467 Z-1.000
 N440 G1 X124.191 Y163.060 Z-1.000
 N450 G1 X127.048 Y162.615 Z-1.000
 N460 G2 X139.931 Y159.885 I-25.733 J-153.243
 N470 G2 X152.544 Y156.073 I-38.655 J-150.662
 N480 G1 X157.534 Y154.334 Z-1.000
 N490 G1 X161.108 Y153.062 Z-1.000
 N500 G2 X183.667 Y143.969 I-122.738 J-337.027
 N510 G2 X205.551 Y133.371 I-145.209 J-327.734
 N520 G1 X207.732 Y132.276 Z-1.000
 N530 G1 X215.815 Y128.556 Z-1.000
 N540 G1 X219.037 Y127.150 Z-1.000
 N550 G1 X222.272 Y125.782 Z-1.000
 N560 G1 X223.416 Y125.300 Z-1.000
 N570 G1 X223.904 Y125.085 Z-1.000
 N580 G3 X237.774 Y120.073 I38.168 J83.912
 N590 G3 X252.272 Y117.334 I24.318 J88.999
 N600 G1 X253.479 Y117.248 Z-1.000

 Steve Blackmore
 --


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Re: [Emc-users] Poor CV

[TERRY Christophersen]

I can send one but will be tomorrow.I have one that cuts the
outside of a 6in gear it has many transitions between G2-G3 so
should be a good test.

Terry
 On Mar 3, 2014 8:34 PM, Robert Ellenberg rwe...@gmail.com wrote:

 Terry, that's a good idea. I suspect G41/G42 won't affect much since the
 offsets are applied before the path is sent to the motion module, but it
 would be nice to be sure.  Do you have a program handy that use G41/42
 extensively? If so, I'd be happy to add it to the tests I run.

 -Rob



 On Mon, Mar 3, 2014 at 7:54 PM, TERRY Christophersen tcninj...@gmail.com
 wrote:

  Have you tried the new tp with g41/g42? Im sure it wont matter but just
 in
  case...
 
  Terry
  One thing I have noticed - with the new TP - the path reaches commanded
  speed.  mach gets close but is usually a few percent under.
 
  Take this program steve posted a while back.  (
  http://electronicsam.com/images/KandT/testing/steve.ngc )
 
  New TP
  http://imagebin.org/296859
  If you calculate it out - it is about 3600mm/min.  that is the commanded
  velocity  (following path within .1mm aprox .004)   it actually
  finishes a whole .5 seconds faster ;)
 
  With Mach
  http://imagebin.org/296858
  it peaks at about 3300mm/min.
 
  sam  (having too much fun...)
 
 
 
  On 2/20/2014 10:37 AM, sam sokolik wrote:
   Steve!
  
   Here is your sample of gcode running the newest TP
  
   Original TP
   http://imagebin.org/294551  (limit of the 1 segment look-ahead)
  
   New TP (which does arc-arc , Line-arc and line-line look-ahead.)
   http://imagebin.org/294550
  
   Robs hard work is awesome! (and it keeps improving)
  
   sam
  
  
   On 04/07/2013 05:28 PM, Steve Blackmore wrote:
   On Sun, 7 Apr 2013 10:21:11 -0500, you wrote:
  
   On Sun, Apr 07, 2013 at 10:13:11AM +0100, Steve Blackmore wrote:
   CV in LinuxCNC still does not work well. Have a look at this
  
   http://youtu.be/ph_IVXg1C9Y
   Please share your gcode and your full config directory.
   Hi Chris - Here's part of the code - it's obvious early on without all
   of it. I'll post the config tomorrow - machine is at work.
  
   BTW - Changing N190 to
  
   N190 G64 P0.5
  
   and it runs better, but that's far too much deviation.
  
   This was first reported on 26th July 2011 in a post
   trying to understand EMC's operation
   Have a read of that thread for way more information. Daniel Rogge
   concurs in his tests posted on 29th.
  
   I've re posted as this is still occurring since V2.4 !
  
   N100 G0 G21 G17 G90 G40 G49 G80
   N110 G91.1
   N120 G1 Z20.000 F3600.0
   N130 T1 M06
   N140 (End Mill {6 mm})
   N150 G43H1 Z20.000
   N160 S12000 M03
   N170(Toolpath:- Profile 1)
   N180()
   N190 G64
   N200 G1 X0.000 Y0.000 F3600
   N210 G0 X-1.974 Y8.147 Z6.000
   N220 G1 X-1.974 Y8.147 Z-1.000 F1200.0
   N230 G2 X-1.346 Y40.813 I1274.739 J-8.173 F3600.0
   N240 G1 X-1.246 Y43.543 Z-1.000
   N250 G1 X-1.175 Y44.975 Z-1.000
   N260 G2 X0.630 Y65.631 I357.751 J-20.852
   N270 G2 X3.629 Y86.169 I356.674 J-41.593
   N280 G1 X3.738 Y86.813 Z-1.000
   N290 G1 X3.885 Y87.608 Z-1.000
   N300 G1 X4.121 Y88.649 Z-1.000
   N310 G1 X4.891 Y91.654 Z-1.000
   N320 G2 X8.045 Y101.818 I125.643 J-33.412
   N330 G2 X12.017 Y111.685 I122.371 J-43.533
   N340 G1 X12.167 Y112.021 Z-1.000
   N350 G1 X12.392 Y112.507 Z-1.000
   N360 G1 X12.836 Y113.360 Z-1.000
   N370 G1 X14.404 Y116.145 Z-1.000
   N380 G2 X48.101 Y150.602 I84.920 J-49.341
   N390 G2 X94.143 Y164.886 I51.247 J-83.839
   N400 G1 X98.585 Y165.027 Z-1.000
   N410 G2 X107.856 Y164.832 I1.550 J-146.800
   N420 G1 X114.650 Y164.312 Z-1.000
   N430 G1 X121.416 Y163.467 Z-1.000
   N440 G1 X124.191 Y163.060 Z-1.000
   N450 G1 X127.048 Y162.615 Z-1.000
   N460 G2 X139.931 Y159.885 I-25.733 J-153.243
   N470 G2 X152.544 Y156.073 I-38.655 J-150.662
   N480 G1 X157.534 Y154.334 Z-1.000
   N490 G1 X161.108 Y153.062 Z-1.000
   N500 G2 X183.667 Y143.969 I-122.738 J-337.027
   N510 G2 X205.551 Y133.371 I-145.209 J-327.734
   N520 G1 X207.732 Y132.276 Z-1.000
   N530 G1 X215.815 Y128.556 Z-1.000
   N540 G1 X219.037 Y127.150 Z-1.000
   N550 G1 X222.272 Y125.782 Z-1.000
   N560 G1 X223.416 Y125.300 Z-1.000
   N570 G1 X223.904 Y125.085 Z-1.000
   N580 G3 X237.774 Y120.073 I38.168 J83.912
   N590 G3 X252.272 Y117.334 I24.318 J88.999
   N600 G1 X253.479 Y117.248 Z-1.000
  
   Steve Blackmore
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Re: [Emc-users] Poor CV

[TERRY Christophersen]

I had a copy on an old stick.
T4  dia is .05 in the tool table
This is the 45deg tool to break the edge but
still roughly the same code as the end mill code.
You will have to change the feedrate to really test
the speed as this feedrate works fine with old tp(at least on my VMC it
does.
I use v 2.5.0

%
T4 M6
G0 G90 G54 X-2.2343 Y2.1193 S6000 M3
G43 H4 Z.25 M8
Z.1
G1 Z-.045 F100.
G41 D4 X-2.1989 Y2.084
G3 X-2.1636 Y2.0694 I.0353 J.0353
X-2.1282 Y2.084 J.0499
G1 X-2.0686 Y2.1436
G2 X-2.0509 Y2.1509 I.0177 J-.0177
G1 X-2.0505
G2 X-1.2341 Y1.8359 I-.024 J-1.2776
G3 X-1.1338 Y1.8012 I.1003 J.1278
X-.9713 Y1.9637 J.1625
X-.9729 Y1.9867 I-.1625
G2 X-.9969 Y2.2332 I1.2538 J.2465
X-.8375 Y2.8512 I1.2778
X-.8221 Y2.8633 I.0219 J-.0121
G1 X-.7197 Y2.8907
G2 X-.7132 Y2.8916 I.0065 J-.0242
X-.7003 Y2.888 J-.0251
X-.1508 Y2.2069 I-.6596 J-1.0945
G3 X0. Y2.105 I.1508 J.0606
X.1508 Y2.2069 J.1625
G2 X.7003 Y2.888 I1.2091 J-.4134
X.7132 Y2.8916 I.0129 J-.0215
X.7197 Y2.8907 J-.0251
G1 X.8221 Y2.8633
G2 X.8375 Y2.8512 I-.0065 J-.0242
X.9969 Y2.2332 I-1.1184 J-.618
X.9729 Y1.9867 I-1.2778
G3 X.9713 Y1.9637 I.1609 J-.023
X1.1338 Y1.8012 I.1625
X1.2341 Y1.8359 J.1625
G2 X2.0505 Y2.1509 I.8404 J-.9626
G1 X2.0509
G2 X2.0686 Y2.1436 J-.025
G1 X2.1436 Y2.0686
G2 X2.1509 Y2.0509 I-.0177 J-.0177
G1 Y2.0505
G2 X1.8359 Y1.2341 I-1.2776 J.024
G3 X1.8012 Y1.1338 I.1278 J-.1003
X1.9637 Y.9713 I.1625
X1.9867 Y.9729 J.1625
G2 X2.2332 Y.9969 I.2465 J-1.2538
X2.8512 Y.8375 J-1.2778
X2.8633 Y.8221 I-.0121 J-.0219
G1 X2.8907 Y.7197
G2 X2.8916 Y.7132 I-.0242 J-.0065
X2.888 Y.7003 I-.0251
X2.2069 Y.1508 I-1.0945 J.6596
G3 X2.105 Y0. I.0606 J-.1508
X2.2069 Y-.1508 I.1625
G2 X2.888 Y-.7003 I-.4134 J-1.2091
X2.8916 Y-.7132 I-.0215 J-.0129
X2.8907 Y-.7197 I-.0251
G1 X2.8633 Y-.8221
G2 X2.8512 Y-.8375 I-.0242 J.0065
X2.2332 Y-.9969 I-.618 J1.1184
X1.9867 Y-.9729 J1.2778
G3 X1.9637 Y-.9713 I-.023 J-.1609
X1.8012 Y-1.1338 J-.1625
X1.8359 Y-1.2341 I.1625
G2 X2.1509 Y-2.0505 I-.9626 J-.8404
G1 Y-2.0509
G2 X2.1436 Y-2.0686 I-.025
G1 X2.0686 Y-2.1436
G2 X2.0509 Y-2.1509 I-.0177 J.0177
G1 X2.0505
G2 X1.2341 Y-1.8359 I.024 J1.2776
G3 X1.1338 Y-1.8012 I-.1003 J-.1278
X.9713 Y-1.9637 J-.1625
X.9729 Y-1.9867 I.1625
G2 X.9969 Y-2.2332 I-1.2538 J-.2465
X.8375 Y-2.8512 I-1.2778
X.8221 Y-2.8633 I-.0219 J.0121
G1 X.7197 Y-2.8907
G2 X.7132 Y-2.8916 I-.0065 J.0242
X.7003 Y-2.888 J.0251
X.1508 Y-2.2069 I.6596 J1.0945
G3 X0. Y-2.105 I-.1508 J-.0606
X-.1508 Y-2.2069 J-.1625
G2 X-.7003 Y-2.888 I-1.2091 J.4134
X-.7132 Y-2.8916 I-.0129 J.0215
X-.7197 Y-2.8907 J.0251
G1 X-.8221 Y-2.8633
G2 X-.8375 Y-2.8512 I.0065 J.0242
X-.9969 Y-2.2332 I1.1184 J.618
X-.9729 Y-1.9867 I1.2778
G3 X-.9713 Y-1.9637 I-.1609 J.023
X-1.1338 Y-1.8012 I-.1625
X-1.2341 Y-1.8359 J-.1625
G2 X-2.0505 Y-2.1509 I-.8404 J.9626
G1 X-2.0509
G2 X-2.0686 Y-2.1436 J.025
G1 X-2.1436 Y-2.0686
G2 X-2.1509 Y-2.0509 I.0177 J.0177
G1 Y-2.0505
G2 X-1.8359 Y-1.2341 I1.2776 J-.024
G3 X-1.8012 Y-1.1338 I-.1278 J.1003
X-1.9637 Y-.9713 I-.1625
X-1.9867 Y-.9729 J-.1625
G2 X-2.2332 Y-.9969 I-.2465 J1.2538
X-2.8512 Y-.8375 J1.2778
X-2.8633 Y-.8221 I.0121 J.0219
G1 X-2.8907 Y-.7197
G2 X-2.8916 Y-.7132 I.0242 J.0065
X-2.888 Y-.7003 I.0251
X-2.2069 Y-.1508 I1.0945 J-.6596
G3 X-2.105 Y0. I-.0606 J.1508
X-2.2069 Y.1508 I-.1625
G2 X-2.888 Y.7003 I.4134 J1.2091
X-2.8916 Y.7132 I.0215 J.0129
X-2.8907 Y.7197 I.0251
G1 X-2.8633 Y.8221
G2 X-2.8512 Y.8375 I.0242 J-.0065
X-2.2332 Y.9969 I.618 J-1.1184
X-1.9867 Y.9729 J-1.2778
G3 X-1.9637 Y.9713 I.023 J.1609
X-1.8012 Y1.1338 J.1625
X-1.8359 Y1.2341 I-.1625
G2 X-2.1509 Y2.0505 I.9626 J.8404
G1 Y2.0509
G2 X-2.1436 Y2.0686 I.025
G1 X-2.1282 Y2.084
G3 X-2.1136 Y2.1193 I-.0354 J.0353
X-2.1282 Y2.1547 I-.05
G1 G40 X-2.1636 Y2.19
Z.055 F20.
G0 Z.25
M5
G91 G28 Z0. M9
M30
%


On Mon, Mar 3, 2014 at 8:32 PM, Robert Ellenberg rwe...@gmail.com wrote:

 Terry, that's a good idea. I suspect G41/G42 won't affect much since the
 offsets are applied before the path is sent to the motion module, but it
 would be nice to be sure.  Do you have a program handy that use G41/42
 extensively? If so, I'd be happy to add it to the tests I run.

 -Rob



 On Mon, Mar 3, 2014 at 7:54 PM, TERRY Christophersen tcninj...@gmail.com
 wrote:

  Have you tried the new tp with g41/g42? Im sure it wont matter but just
 in
  case...
 
  Terry
  One thing I have noticed - with the new TP - the path reaches commanded
  speed.  mach gets close but is usually a few percent under.
 
  Take this program steve posted a while back.  (
  http://electronicsam.com/images/KandT/testing/steve.ngc )
 
  New TP
  http://imagebin.org/296859
  If you calculate it out - it is about 3600mm/min.  that is the commanded
  velocity  (following path within .1mm aprox .004)   it actually
  finishes a whole .5 seconds faster ;)
 
  With Mach
  http://imagebin.org/296858
  it peaks at about 3300mm/min.
 
  sam  (having too much fun...)
 
 
 
  On 2/20/2014 10:37 AM, sam sokolik wrote:
   Steve!
  
   Here is your sample of gcode running the newest TP

Re: [Emc-users] Poor CV

[TERRY Christophersen]

Sorry I changed from the 65ipm to 100 before I sent it
I usually run that operation at 65 to get the surface finish
I may need more spindle speed with the new tp :)

Terry


On Mon, Mar 3, 2014 at 10:20 PM, TERRY Christophersen
tcninj...@gmail.comwrote:

 I had a copy on an old stick.
 T4  dia is .05 in the tool table
 This is the 45deg tool to break the edge but
 still roughly the same code as the end mill code.
 You will have to change the feedrate to really test
 the speed as this feedrate works fine with old tp(at least on my VMC it
 does.
 I use v 2.5.0

 %
 T4 M6
 G0 G90 G54 X-2.2343 Y2.1193 S6000 M3
 G43 H4 Z.25 M8
 Z.1
 G1 Z-.045 F100.
 G41 D4 X-2.1989 Y2.084
 G3 X-2.1636 Y2.0694 I.0353 J.0353
 X-2.1282 Y2.084 J.0499
 G1 X-2.0686 Y2.1436
 G2 X-2.0509 Y2.1509 I.0177 J-.0177
 G1 X-2.0505
 G2 X-1.2341 Y1.8359 I-.024 J-1.2776
 G3 X-1.1338 Y1.8012 I.1003 J.1278
 X-.9713 Y1.9637 J.1625
 X-.9729 Y1.9867 I-.1625
 G2 X-.9969 Y2.2332 I1.2538 J.2465
 X-.8375 Y2.8512 I1.2778
 X-.8221 Y2.8633 I.0219 J-.0121
 G1 X-.7197 Y2.8907
 G2 X-.7132 Y2.8916 I.0065 J-.0242
 X-.7003 Y2.888 J-.0251
 X-.1508 Y2.2069 I-.6596 J-1.0945
 G3 X0. Y2.105 I.1508 J.0606
 X.1508 Y2.2069 J.1625
 G2 X.7003 Y2.888 I1.2091 J-.4134
 X.7132 Y2.8916 I.0129 J-.0215
 X.7197 Y2.8907 J-.0251
 G1 X.8221 Y2.8633
 G2 X.8375 Y2.8512 I-.0065 J-.0242
 X.9969 Y2.2332 I-1.1184 J-.618
 X.9729 Y1.9867 I-1.2778
 G3 X.9713 Y1.9637 I.1609 J-.023
 X1.1338 Y1.8012 I.1625
 X1.2341 Y1.8359 J.1625
 G2 X2.0505 Y2.1509 I.8404 J-.9626
 G1 X2.0509
 G2 X2.0686 Y2.1436 J-.025
 G1 X2.1436 Y2.0686
 G2 X2.1509 Y2.0509 I-.0177 J-.0177
 G1 Y2.0505
 G2 X1.8359 Y1.2341 I-1.2776 J.024
 G3 X1.8012 Y1.1338 I.1278 J-.1003
 X1.9637 Y.9713 I.1625
 X1.9867 Y.9729 J.1625
 G2 X2.2332 Y.9969 I.2465 J-1.2538
 X2.8512 Y.8375 J-1.2778
 X2.8633 Y.8221 I-.0121 J-.0219
 G1 X2.8907 Y.7197
 G2 X2.8916 Y.7132 I-.0242 J-.0065
 X2.888 Y.7003 I-.0251
 X2.2069 Y.1508 I-1.0945 J.6596
 G3 X2.105 Y0. I.0606 J-.1508
 X2.2069 Y-.1508 I.1625
 G2 X2.888 Y-.7003 I-.4134 J-1.2091
 X2.8916 Y-.7132 I-.0215 J-.0129
 X2.8907 Y-.7197 I-.0251
 G1 X2.8633 Y-.8221
 G2 X2.8512 Y-.8375 I-.0242 J.0065
 X2.2332 Y-.9969 I-.618 J1.1184
 X1.9867 Y-.9729 J1.2778
 G3 X1.9637 Y-.9713 I-.023 J-.1609
 X1.8012 Y-1.1338 J-.1625
 X1.8359 Y-1.2341 I.1625
 G2 X2.1509 Y-2.0505 I-.9626 J-.8404
 G1 Y-2.0509
 G2 X2.1436 Y-2.0686 I-.025
 G1 X2.0686 Y-2.1436
 G2 X2.0509 Y-2.1509 I-.0177 J.0177
 G1 X2.0505
 G2 X1.2341 Y-1.8359 I.024 J1.2776
 G3 X1.1338 Y-1.8012 I-.1003 J-.1278
 X.9713 Y-1.9637 J-.1625
 X.9729 Y-1.9867 I.1625
 G2 X.9969 Y-2.2332 I-1.2538 J-.2465
 X.8375 Y-2.8512 I-1.2778
 X.8221 Y-2.8633 I-.0219 J.0121
 G1 X.7197 Y-2.8907
 G2 X.7132 Y-2.8916 I-.0065 J.0242
 X.7003 Y-2.888 J.0251
 X.1508 Y-2.2069 I.6596 J1.0945
 G3 X0. Y-2.105 I-.1508 J-.0606
 X-.1508 Y-2.2069 J-.1625
 G2 X-.7003 Y-2.888 I-1.2091 J.4134
 X-.7132 Y-2.8916 I-.0129 J.0215
 X-.7197 Y-2.8907 J.0251
 G1 X-.8221 Y-2.8633
 G2 X-.8375 Y-2.8512 I.0065 J.0242
 X-.9969 Y-2.2332 I1.1184 J.618
 X-.9729 Y-1.9867 I1.2778
 G3 X-.9713 Y-1.9637 I-.1609 J.023
 X-1.1338 Y-1.8012 I-.1625
 X-1.2341 Y-1.8359 J-.1625
 G2 X-2.0505 Y-2.1509 I-.8404 J.9626
 G1 X-2.0509
 G2 X-2.0686 Y-2.1436 J.025
 G1 X-2.1436 Y-2.0686
 G2 X-2.1509 Y-2.0509 I.0177 J.0177
 G1 Y-2.0505
 G2 X-1.8359 Y-1.2341 I1.2776 J-.024
 G3 X-1.8012 Y-1.1338 I-.1278 J.1003
 X-1.9637 Y-.9713 I-.1625
 X-1.9867 Y-.9729 J-.1625
 G2 X-2.2332 Y-.9969 I-.2465 J1.2538
 X-2.8512 Y-.8375 J1.2778
 X-2.8633 Y-.8221 I.0121 J.0219
 G1 X-2.8907 Y-.7197
 G2 X-2.8916 Y-.7132 I.0242 J.0065
 X-2.888 Y-.7003 I.0251
 X-2.2069 Y-.1508 I1.0945 J-.6596
 G3 X-2.105 Y0. I-.0606 J.1508
 X-2.2069 Y.1508 I-.1625
 G2 X-2.888 Y.7003 I.4134 J1.2091
 X-2.8916 Y.7132 I.0215 J.0129
 X-2.8907 Y.7197 I.0251
 G1 X-2.8633 Y.8221
 G2 X-2.8512 Y.8375 I.0242 J-.0065
 X-2.2332 Y.9969 I.618 J-1.1184
 X-1.9867 Y.9729 J-1.2778
 G3 X-1.9637 Y.9713 I.023 J.1609
 X-1.8012 Y1.1338 J.1625
 X-1.8359 Y1.2341 I-.1625
 G2 X-2.1509 Y2.0505 I.9626 J.8404
 G1 Y2.0509
 G2 X-2.1436 Y2.0686 I.025
 G1 X-2.1282 Y2.084
 G3 X-2.1136 Y2.1193 I-.0354 J.0353
 X-2.1282 Y2.1547 I-.05
 G1 G40 X-2.1636 Y2.19
 Z.055 F20.
 G0 Z.25
 M5
 G91 G28 Z0. M9
 M30
 %


 On Mon, Mar 3, 2014 at 8:32 PM, Robert Ellenberg rwe...@gmail.com wrote:

 Terry, that's a good idea. I suspect G41/G42 won't affect much since the
 offsets are applied before the path is sent to the motion module, but it
 would be nice to be sure.  Do you have a program handy that use G41/42
 extensively? If so, I'd be happy to add it to the tests I run.

 -Rob



 On Mon, Mar 3, 2014 at 7:54 PM, TERRY Christophersen tcninj...@gmail.com
 wrote:

  Have you tried the new tp with g41/g42? Im sure it wont matter but just
 in
  case...
 
  Terry
  One thing I have noticed - with the new TP - the path reaches commanded
  speed.  mach gets close but is usually a few percent under.
 
  Take this program steve posted a while back.  (
  http://electronicsam.com/images/KandT/testing/steve.ngc )
 
  New TP
  http://imagebin.org/296859
  If you

Re: [Emc-users] CNC a Hardinge TM or UM mill?

[TERRY Christophersen]

I have always wanted one but usually they go for more money than
what I think they should . I think one would make a good choice.

Terry
On Feb 19, 2014 5:56 PM, Gregg Eshelman g_ala...@yahoo.com wrote:

 Has anyone done a CNC conversion on a Hardinge TM or UM?


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[Emc-users] 3d Printer question

[Terry Christophersen]

Hi all

My son wants to build a 3d printer for school.
Can someone point me in the direction of hardware
(motors,drivers heater controls)

that works with LinuxCNC? Also he needs to learn
a slicing software.I have plenty of 3d models.

Thanks

Terry

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[Emc-users] Linux question

[Terry Christophersen]

Hi all,
When I turn on the main power  switch my computer will come on for
a couple of seconds then shut off.I wait for this to happen then push the
computer on switch.This is how it been since I switched to a 525.
Why does the computer come on without me hitting the computer on switch?

Thanks
Terry


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[Emc-users] sem motors

[Terry Christophersen]

Hi all,
 I am reretrofitting a bridgeport that I use for second operations.It has 250 
line encoders now.
I would like to upgrade these encoders to say 500 or 1000 line(I am getting rid 
of the 2:1
ratio pulleys and going for 1:1 so I have lost 1/2 of my resolution)
 I dont need heidenhains or super expensive ones as this machine is not used on
a daily basis.
Motor:

SEM MT30-R4   31lb/in

I dont care if it mounts under the cover like the old one or is outside on the 
end of the shaft.
The orginals were 3 piece(light,wheel,pcb with sensors all open)


Any sources? 

Thanks

Terry


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Re: [Emc-users] sem motors

[Terry Christophersen]

Thanks Dave,
300 for xyz is much better than 300 for just the x


Terry



- Original Message -
From: dave dengv...@charter.net
To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
(EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Monday, August 12, 2013 9:27 PM
Subject: Re: [Emc-users] sem motors

On Mon, 2013-08-12 at 19:14 -0700, Terry Christophersen wrote:
 Hi all,
  I am reretrofitting a bridgeport that I use for second operations.It has 250 
line encoders now.
 I would like to upgrade these encoders to say 500 or 1000 line(I am getting 
 rid of the 2:1
 ratio pulleys and going for 1:1 so I have lost 1/2 of my resolution)
  I dont need heidenhains or super expensive ones as this machine is not used 
on
 a daily basis.
 Motor:
 
 SEM MT30-R4   31lb/in
 
 I dont care if it mounts under the cover like the old one or is outside on 
 the end of the shaft.
 The orginals were 3 piece(light,wheel,pcb with sensors all open)
 
 
 Any sources? 
 
 Thanks
 
 Terry
I've had good luck with these:

Automation Direct  Koyo 
TRD-S2500-VD 
ENCODER 2500 PPR 6mm SOLID LINE-
DRIVER 5VDC 2m (6.5ft) CBL LT DUTY
$90

Use them on the cinci and the Mazak. 

Dave
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[Emc-users] Servo bearing

[Terry Christophersen]

Hi,
  I have a SEM servo motor that has a bad bearing(pulley side). I usually send
in all motor problems to a motor repair shop and $500.00 later Im back in 
business.
This is a spare so Im not going to have any machine down time but I cant
see paying 500 for a 10.00 dollar bearing.
Someone told me that when you dissassemble/assemble you cant let the arm
touch the magnets.Is that true? If that is true then motor shops must have
some kind of fixture. Anybody have replaced a bearing themselves?

Thanks

Terry Christophersen


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Re: [Emc-users] Servo bearing

[Terry Christophersen]

Thanks Andy. I will give that mill method a try.
I will bet that the rumor was started by a motor repair shop.:)


Thanks
Terry


- Original Message -
From: andy pugh bodge...@gmail.com
To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
(EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Saturday, July 13, 2013 7:18 PM
Subject: Re: [Emc-users] Servo bearing

On 14 July 2013 01:00, Terry Christophersen tcninj...@yahoo.com wrote:

 Someone told me that when you dissassemble/assemble you cant let the arm
 touch the magnets.Is that true?

I have also heard that removing the rotor from the stator will
demagnetise it, but I have allowed both to happen replacing the
bearings on my servos and they still work.

You might find that the mill itself makes a good jig for removing the
rotor without touching the stator. Hold the shaft in a collet, clamp
the body to the table, and raise the head...


-- 
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If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto


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Re: [Emc-users] LinuxCNC Week in Wichita

[Terry Christophersen]

Count me in
 
Terry



- Original Message -
From: Stuart Stevenson stus...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Friday, October 19, 2012 2:06 PM
Subject: Re: [Emc-users] LinuxCNC Week in Wichita

Jon,

I have more than one project to do.

thanks
Stuart

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Re: [Emc-users] Mach on Linux

[Terry Christophersen]

I always surf the net while the CNC programs are running, I see nothing
wrong with that.

I play music and watch youtube videos also.

What is the hourly rate for watching ytube?
 I need to know so I can tell my customers.This sounds like more
fun than running another machine.

Just kidding

Terry

 
- Original Message -
From: Igor Chudov ichu...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Monday, October 8, 2012 12:11 PM
Subject: Re: [Emc-users] Mach on Linux

On Mon, Oct 8, 2012 at 11:45 AM, Roland Jollivet
roland.jolli...@gmail.comwrote:

 On 7 October 2012 19:11, Len Shelton l...@probotix.com wrote:

 
  Most people choose Mach3 because they want to have a single box to run
  their CAD, CAM,  control software on, or they are just afraid of Linux.
  What is not obvious is that to get it to even be half-way reliable - you
  have to strip down Windows to bare bones operation and never run any
  other software on that machine - which completely defeats the purpose.
 
  snip..

 Why is that Lcnc users insist on doing everything on one machine? Like
 surfing the net while the machine is running.


I always surf the net while the CNC programs are running, I see nothing
wrong with that.

I play music and watch youtube videos also.

i



 I still don't get it. I
 imagine most Mach users do strip the junk out and use their box for what
 it's supposed to be: a machine controller. Do users of industrial Fanuc
 machines complain there is no game port on the side of the box?

 I think the biggest problem with the acceptance on Lcnc to newbies is
 trying to get a system up and working. Surely if Lcnc developers took a
 single (older) Ubuntu version, or whatever package, and kept upgrading Lcnc
 to that only, then there would be no problem of the latest 2GHz machines
 and up, not meeting the latency requirements. The latest version of Lcnc
 should be able to run?? on almost any hardware because the basic
 requiements have not changed since the first stepper systems came out.

 Admittedly, this does come from personal frustration, because I've gone
 through the schlep of converting at least 6  W$ PC's to Linux and running
 EMC, but none of them every had good enough latency. So I (more schlep)
 convert back to XP and run Mach with no problems.

 My firm belief is that Lcnc, Mach, and whoever else, should be aiming for
 headless systems. Stick the control box in the cabinet, and it's just.. a
 machine controller. Just.. like every industrial system. Then you play
 games and surf and run cad programs on the linked, desk PC.

 Regards
 Roland

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Re: [Emc-users] Helical interpolation not quite round, WTF?

[Terry Christophersen]

Sometimes milling in the opposite direction will help.Rough one direction then
put in a finish pass in the other.
Looking at your code I see you have a G2.Unless this is plastic or something 
really gummy you should be using G3 for ID work.Or you are using left handed 
mills.
Climb milling is the way to do most everything.

Terry




- Original Message -
From: dave dengv...@charter.net
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Tuesday, September 25, 2012 3:08 PM
Subject: Re: [Emc-users] Helical interpolation not quite round, WTF?

On Tue, 2012-09-25 at 15:13 -0400, Stephen Dubovsky wrote:
 How big are the humps?  How many are there?
 
 Are you in exact stop mode?  If motion stops at the beginning/end of
 each semicircle then you will get a little hump from springback during
 the pause.  Lead-in  out are typ used when cutting IDs to prevent
 that.
 
 Stephen
 
Ah! Both good questions I should have been smart enough to ask. Since my
mill is not as stiff as would be ideal I tend to take small Z
increments/360 degrees and work my way down taking at least an extra
pass or two at the max depth as spring passes. 

To extend Stephen's question: where are the humps, exactly at 0, 90, 180
 270 or offset some. Are they deep enough to not be backlash anomalies?

Dave
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Re: [Emc-users] G71 lathe roughing cycle

[Terry Christophersen]

I am really glad someone is working on G71/G70
To me G71 is as important on a lathe as G83 is to a mill

Thanks guys

Terry


- Original Message -
From: Dave Caroline dave.thearchiv...@gmail.com
To: emc-users@lists.sourceforge.net
Cc: 
Sent: Sunday, August 26, 2012 2:46 PM
Subject: Re: [Emc-users] G71 lathe roughing cycle


 Okuma's Method to work around this used G13  G14 to define what the
 program code would apply to. G13 was for the upper turret, G14 for the lower. 
 By adding P000xx codes ( Priority code )


I suppose we should think of the sliding head lathes that will be
looked at in the future

I have one resting in the garage that needs a large round tuit applying

Currently it is a cam auto but would be a nice cnc retrofit project
it has 4 tool slides one being a back and forward tool by rocking
it has facilities for tooling to be mounted on the front too
(I have a screw head slotting attachment)

http://www.archivist.info/cnc/works2008b/P1010226.JPG

Dave Caroline

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Re: [Emc-users] seiberco stepper drive

[Terry Christophersen]

I cant tell but some past(2004)discussions on motion.com leads me to
think it is a smartdrive with some terminal type communication 
 
Ive got the guy talked into Geckos anyway
 
Thanks anyway
 
Terry


- Original Message -
From: andy pugh bodge...@gmail.com
To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
(EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Thursday, August 16, 2012 2:04 AM
Subject: Re: [Emc-users] seiberco stepper drive

On 16 August 2012 03:35, Terry Christophersen tcninj...@yahoo.com wrote:
 They are model  AIMAX 260-70-X.

Google is coming up very blank on that. Can you tell if they are
step/dir drives, or if they use a proprietary protocol?

-- 
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http://www.ifixit.com/Manifesto

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[Emc-users] seiberco stepper drive

[Terry Christophersen]

A friend of mine is having trouble with his OMAX waterjet.I looked at the drives
and can find no infromation on them.They are model  AIMAX 260-70-X.
This is a mid 90s machine and the computer has failed.He asked me if LinuxCNC
would run it,and I told him I was pretty sure it would.
OMAX wants $5000 for a new computer and if you want tech help with putting
it in that will be an extra 5000. They must only want to sell new waterjets not
have anybody fix old ones.
Anyway has anybody ever used these drives?
 
Thanks 
 
Terry

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Re: [Emc-users] MSL Landing: Success!

[Terry Christophersen]

I didnt realize how large the rover was,it is pretty big.
Thanks for the links

Terry

 
- Original Message -
From: Kirk Wallace kwall...@wallacecompany.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Monday, August 6, 2012 11:47 AM
Subject: Re: [Emc-users] MSL Landing: Success!

Related links I found:

http://www.nasa.gov/mission_pages/msl/index.html 

http://en.wikipedia.org/wiki/Mars_Science_Laboratory 

http://en.wikipedia.org/wiki/Comparison_of_embedded_computer_systems_on_board_the_Mars_rovers
 

http://en.wikipedia.org/wiki/VxWorks 

http://marsprogram.jpl.nasa.gov/msl/mission/rover/ 

-- 
Kirk Wallace
http://www.wallacecompany.com/machine_shop/
http://www.wallacecompany.com/E45/index.html
California, USA


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Re: [Emc-users] STOP RIGHT NOW...

[Terry Christophersen]

Last I checked when I post to this list it says EMC at the top.
So we cant toot our own horns on our own list?
I was already going to IMTS and now I am going to go out of
my way to stop and heckel MACH people.

Terry
 
- Original Message -
From: Stuart Stevenson stus...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Saturday, August 4, 2012 9:31 PM
Subject: Re: [Emc-users] STOP RIGHT NOW...

HEH - yes Jeremy - just wondering :)

On Sat, Aug 4, 2012 at 8:31 PM, jeremy youngs jcyoung...@gmail.com wrote:

 stuart we may have been infiltrated!!! :)  wow we must make such a
 difference in mach sales that our little non market group should be
 under someones watchful eye and then corrected at the first sign of
 tension. how insignificant we must be. So if they dont set around on
 lists because they have something to do how come this thread in our
 group has become so entertaining Really this is funny!

 And the recent number is 48.8% lcnc and 39.4 mach all on a website
 whose obviously biased very amusing to be such a small fish

 --
 jeremy youngs


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Re: [Emc-users] [OT] I wonder what lathe this is modelled on?

[Terry Christophersen]

I dont know what to say here,I am in awe of these models. I have built
scale RC planes and have a pretty good sized model railroad,but this 
persons weathering and aging of things is outstanding.
He must be single as no wife I know would allow the time for this.
I mean a scale impact wrench!...That looks used!
The barrels outside look like they actually are rusty.
I will stop now.Thanks for the link

Terry

- Original Message -
From: mark center mcen...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Wednesday, July 25, 2012 6:07 PM
Subject: Re: [Emc-users] [OT] I wonder what lathe this is modelled on?

My guess would be a Colchester, fine old British iron. I have a
Monarch 18-CBB that looks similar without a tray top.

http://bbs.homeshopmachinist.net/threads/40292-Identify-this-Colchester-Lathe

On Wed, Jul 25, 2012 at 3:09 PM, Gene Heskett ghesk...@wdtv.com wrote:
 On Wednesday 25 July 2012 15:53:49 andy pugh did opine:

 http://www.modvid.com.au/assets/images/anders_bike_shop03.jpg
 Looks like a nice 0.07 centre-height lathe.

 The full set is at :
 http://www.modvid.com.au/html/body_anders_bike_shop_details.html

 All I can say is WOW!  The detail is great.  I'll have to admit that
 amongst all the old Triumphs  Harley's  Beemer's, I half expected to see
 a prewar Indian Chief with its 4 cylinder inline engine, and possibly even
 an Ariel Square 4.  But even in our world of today, Jay Leno probably owns
 50% of the survivors in 2012.  Very few left IOW.  I rode a borrowed Chief
 in a veterans day parade once, with a square 4 in front of me.  I have
 never again seen both in the same year.  The Chief had a suicide clutch and
 was hell to control at sub idling speeds, but was also very quiet.  You
 could hear the Ariels mechanical noises a block away.  I was a bit green at
 biking then, back in the middle 50's, and didn't realize till 25 years
 later that that ride could and should have been in the history books, but
 it was just part of the glitz for a veterans day parade then.

 Cheers, Gene
 --
 There are four boxes to be used in defense of liberty:
  soap, ballot, jury, and ammo. Please use in that order.
 -Ed Howdershelt (Author)
 My web page: http://coyoteden.dyndns-free.com:85/gene is up!
 ... I want to perform cranial activities with Tuesday Weld!!

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Re: [Emc-users] [OT] I wonder what lathe this is modelled on?

[Terry Christophersen]

I have been just staring at these pics all this time.
The 30s machine shop is pretty neat too.

T
 
- Original Message -
From: andy pugh bodge...@gmail.com
To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
(EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Wednesday, July 25, 2012 6:43 PM
Subject: Re: [Emc-users] [OT] I wonder what lathe this is modelled on?

On 26 July 2012 00:35, Terry Christophersen tcninj...@yahoo.com wrote:

 I mean a scale impact wrench!...That looks used!

I think my favourite detail is that one window pane has unpainted
putty, presumably because it has been replaced since the frames were
last painted.

-- 
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If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto


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Re: [Emc-users] A axis and spindle

[Terry Christophersen]

I dont know how this is done on newer lathes but Ive seen
older ones with an electric clutch on the spindle that engages
and a seperate servo motor that does the milling or positioning moves
then disenguages for normal lathe turing.
Could an encoder be put on a the servo(except for the index pulse)
this way the servo encoder would not have the wrap up from turning
operations as it would be disengaged most of the time?
I am sorry that this is probably not helping this person but I am
thinking about doing this to a lathe of mine and this
topic reminded me of my question

Terry  

 
- Original Message -
From: Jon Elson el...@pico-systems.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Wednesday, July 4, 2012 3:00 PM
Subject: Re: [Emc-users] A axis and spindle

andy pugh wrote:
 The behaviour would then be that the axis would move in A-word control
 until an M3 or M4, at which point the mux would direct the speed PID
 to the PWM generator. On M5 the mux would switch to the old A-axis
 position control, the oneshot would trigger, loading a true to the
 encoder.N.index-enable pin. Because the spindle is many turns away
 from it's required position the A-axis PID controller will be maxed
 out, so the spindle will do at least one turn past the index. When it
 passes the index the encoder counts will go to zero, the PID will no
 longer be saturated, and the spindle should return to the last
 commanded angular position.

  
And, how to do this without causing a momentary huge following error 
that either
causes a following error abort or a servo amp trip is not clear.  I 
think it needs
some kind of gradual gain change to allow the servo to catch up 
gradually before
going to full gain.

Jon

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Re: [Emc-users] quick boot

[Terry Christophersen]

This got me wondering how fast my new 525 and sata HD is .
So I got the stopwatch out:

8 sec to the main screen(about time to turn on the air, check
the oil level and walk around to the front to the front of my machine.

not too shabby, but not near 3 sec.

Terry

 
- Original Message -
From: Eric H. Johnson ejohn...@camalytics.com
To: 'Enhanced Machine Controller (EMC)' emc-users@lists.sourceforge.net
Cc: 
Sent: Tuesday, June 12, 2012 12:35 PM
Subject: Re: [Emc-users] quick boot


On 6/12/2012 12:16 PM, Stuart Stevenson wrote:
 Gentlemen,
    What would it take to headless boot LinuxCNC in 3 seconds?
 thanks
 Stuart

 This article is almost 4 years old but it's got some good hints about fast
booting. 
 http://lwn.net/Articles/299483/

It points out a cool tool name BootChart that helps identify the
bottlenecks. http://www.bootchart.org/


I still don't know about getting down to 3 seconds, but in addition to what
that article says, you can also try:

1 Set BIOS to quick boot, bypass POST, etc.
2 In BIOS set boot drive as first device in boot order.
3 Use a SATA SSD.
4 Use as much memory as the mother board will accommodate.
5 Use Xubuntu instead of ubuntu (Use Linuxcnc install script).
6 Play with grub boot parameters (i.e. remove quiet splash). 
7 Map log files to null or RAM (see:
http://wiki.linuxcnc.org/cgi-bin/wiki.pl?Install_To_CompactFlash)
8 Uninstall any unnecessary applications.
9 Use bum (boot-up manager) to remove unnecessary services. 

Regards,
Eric


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Re: [Emc-users] Question about steels?

[Terry Christophersen]

12L14 is better for finishes if the same part could be made with 1018
1144 (Stressproof) is even better for finishes and cuts like butter
will crack when welded without preheating
I see according to the chart 12L is supposed to be easier to
machine than 1144 but the thing I like about 1144 is that the 
chips always come out small and easy to remove
 
Terry


From: John Thornton bjt...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net 
Sent: Monday, June 11, 2012 11:57 AM
Subject: Re: [Emc-users] Question about steels?

Gene,

I use 4140 or 41L40 for parts that need a good finish or have some 
toughness. 1018 is softer so you get a poor finish with light cuts.

Here is a nice chart about different carbon steels, alloy steels and 
tool steels that we have on this side of the pond.

http://www.mcmaster.com/#about-alloy-steel/=hxl3ij

John

On 6/10/2012 1:52 PM, gene heskett wrote:
 Hi everybody;

 Basic beginners question:

 When I needed to make a new locking pin last week, I considered the
 relatively poor finish I was able to achieve using TSC's cold rolled stock,
 and walked 100 feet on by and picked up a grade 8 bolt big enough that I
 could find that pin inside it if I carved it right.

 Imagine my surprise when that grade 8 bolt carved like butter, both with
 carbide inserts and with HSS tool steel, leaving a mirror-like finish.  For
 a change I was proud of something I made.

 If I wanted to buy some stock steel that carved just as well, or perhaps
 even better, what alloy should I be ordering from one of these online metal
 peddlers?

 Thanks all.

 Cheers, Gene

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Re: [Emc-users] Tool Offsets

[Terry Christophersen]

G49 cancels G43 
Send the machine home at the end of the prog using:
G28G91Z0.0  Y0.0  X0.0
 You should not need to use G49
You must be doing something else wrong

Start of every one of my  progs look like this:

T1M6
G54G90G0XxxYxxS500M3
G43H1Z.1M8   moves the tool down to .1 above the workpiece
blah blah

ends look like this:

G28G91 Z0.0   send the Z home
G28G91Y0.0   send the y home to put in a new part
M30


- Original Message -
From: Eric H. Johnson ejohn...@camalytics.com
To: 'Enhanced Machine Controller (EMC)' emc-users@lists.sourceforge.net
Cc: 
Sent: Monday, May 21, 2012 2:51 PM
Subject: [Emc-users] Tool Offsets

Hi all,

Per the Setting Coordinate Systems thread, I converted from using
coordinate systems (G54-G59.3) and setting the offsets with G10 L2, to using
the offsets specified in the tool table. Mostly it worked without a problem.
The exception is when re-running a program without reloading it. The
beginning of the program will have two lines similar to the following:

T3 M6
G43 H3

If I just rerun, the tool offsets seem to be ignored, but if I do a reload
of the same program it runs fine.

Do I need to add a G43 H0 to the end of the program, is there another
explanation for why the offsets are ignored when rerunning?

Thanks,
Eric



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Re: [Emc-users] Tool Offsets

[Terry Christophersen]

I never use the H-number, it is only useful for applying the offset of

It may be not useful in LinuxCNC but I guarentee you 90% + of the mill
programs in the world use it (Fanuc has to have it) also the Dxx
If you omit the D on Fanuc no offset will be applied to G41,G42

Terry




- Original Message -
From: andy pugh bodge...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Monday, May 21, 2012 5:57 PM
Subject: Re: [Emc-users] Tool Offsets

On 21 May 2012 20:51, Eric H. Johnson ejohn...@camalytics.com wrote:

 T3 M6
 G43 H3

I never use the H-number, it is only useful for applying the offset of
a non-loaded tool to the loaded tool.
Though I doubt that is your problem.

-- 
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http://www.ifixit.com/Manifesto

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[Emc-users] Subroutines

[Terry Christophersen]

Did how subroutines work change from 2.3 to 2.5?
I had a file I ran 6 months ago on 2.3 and with no changes just
moved it to the new computer w/2.5 and I get an error :
 
unable to open file
 
The sub is in the same program just at the bottom 
 
%
some code
 
o31 call    (is the line where the error is)
 
some other code
 
m30
(one line space here)
o31 sub
 
some code here
 
o31 endsub
%
 
 
Terry

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Re: [Emc-users] Subroutines

[Terry Christophersen]

Thanks Dave taat worked,
So it did change sort of because I have 2.3 on a desktop and it worked at the 
end of the program

Thanks again

Terry

 
- Original Message -
From: Dave Caroline dave.thearchiv...@gmail.com
To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
(EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Saturday, May 19, 2012 2:45 PM
Subject: Re: [Emc-users] Subroutines

On Sat, May 19, 2012 at 8:27 PM, Terry Christophersen
tcninj...@yahoo.com wrote:
 Did how subroutines work change from 2.3 to 2.5?
 I had a file I ran 6 months ago on 2.3 and with no changes just

I am not aware of any changes but the subroutines should be defined before use
http://www.linuxcnc.org/docview/html/gcode/o-code.html#sec:subroutines

o100 sub
  G53 G0 X0 Y0 Z0 (rapid move to machine home)
o100 endsub
...
o100 call (call the subroutine here)


Dave Caroline


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Re: [Emc-users] A rose by any name? [Was: Not so custom]

[Terry Christophersen]

LMC or LNC sounds good to me

 
- Original Message -
From: charles green xxzzb...@yahoo.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Saturday, May 19, 2012 2:03 PM
Subject: Re: [Emc-users] A rose by any name? [Was: Not so custom]

LMC?


--- On Sat, 5/19/12, Przemek Klosowski przemek.klosow...@gmail.com wrote:

 From: Przemek Klosowski przemek.klosow...@gmail.com
 Subject: Re: [Emc-users] A rose by any name? [Was: Not so custom]
 To: emc-users@lists.sourceforge.net
 Date: Saturday, May 19, 2012, 11:08 AM
 On Sat, May 19, 2012 at 5:24 AM, Erik
 Christiansen
 dva...@internode.on.net
 wrote:
  On 5/18/2012 4:28 PM, Przemek Klosowski wrote:
   BTW, now that we can't use EMC2 any more, and
 LinuxCNC seems longish
   and awkward to type, I am tempted to start
 using LCNC.
 
  Err, are we to be the group with no name? We didn't
 defend the one we
  had, and now we seek to discard our new common banner.
 
 You're quite right, I wasn't suggesting this as an official
 name but
 more in the context of informal communications related to
 LinuxCNC,
 where we mention LinuxCNC often and seeing the LinuxCNC term
 multiple
 times next to other mentions of LinuxCNC might just seem
 visually
 crowded because LinuxCNC 'glyph' is fairly long and busy
 graphically.
 For instance, in the source code, there are 55246 instances
 of the
 trigraph EMC, and replacing all of them by LinuxCNC might
 make the
 code slightly less readable, so something like 'lcnc' might
 be a
 reasonable compromise.
 
 Anyway, I start to feel like I'm  bikeshedding so I
 will stop now.
 
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Re: [Emc-users] Intel Board issues

[Terry Christophersen]

Yes it was me.

A new version of BIOS on this board must be the problem?
I am not a computer person but if you want servos tuned or something Im ok.

Should I try to burn a new cd or what?

I have tried my old standby 2.3 cd that always works, also no go.

 Terry

 
- Original Message -
From: andy pugh bodge...@gmail.com
To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
(EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Wednesday, May 16, 2012 4:42 AM
Subject: Re: [Emc-users] Intel Board issues

On 16 May 2012 02:40, Terry Christophersen tcninj...@yahoo.com wrote:
 I forgot that it says  [xx.xxx] pnpbios: dev_node_info function not 
 supported
     [xx.xxx] pnpbios: unable to get node 
 info

Is this you:
http://www.justanswer.com/computer/6oaeu-getting-error-when-installing-linux10-pnpbios-dev-node-info.html

The advice there seems slightly flawed, the standard LiveCD
installation runs perfectly on hundreds of D525MW boards.

-- 
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto


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Re: [Emc-users] Intel Board issues

[Terry Christophersen]

BIOS version:

MWPNT10N.86A.0083.2001.0524.1600

Does that mean version 86?

Terry

 
- Original Message -
From: Kent A. Reed kentallanr...@gmail.com
To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
(EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Wednesday, May 16, 2012 1:36 PM
Subject: Re: [Emc-users] Intel Board issues

On 5/16/2012 1:41 PM, Terry Christophersen wrote:
 Yes it was me.
 
 A new version of BIOS on this board must be the problem?

And what version is it?

Scanning the BIOS Update release notes 
(downloadmirror.intel.com/21218/eng/MW_0122_ReleaseNotes.pdf) I see back at 
version 0078 Fixed issue where system will not boot from a Linux partition on 
USB flash drive. There are other interesting fixes at different versions but I 
see nothing about the plug-n-play capability.

According to this document, the initial production BIOS release was version 
0049 and according to the Intel website. the current BIOS update is version 
0122. [As an aside, judging from the number of versions and fixes, Intel is 
continuing its tradition of paying scant attention to details of the ATOM BIOS. 
Who gets this programming job anyway?]

Still, there seem to be lots of folks who had no problem with this board so 
it's hard to figure. Have you changed any of the default BIOS settings? Do you 
have any unusual devices connected? Have you tried booting a different system?

Regards,
Kent

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Re: [Emc-users] Intel Board issues

[Terry Christophersen]

I just updated to the 122 version and same results 

I dont know what to do now

Terry
- Original Message -
From: gene heskett ghesk...@wdtv.com
To: emc-users@lists.sourceforge.net
Cc: 
Sent: Wednesday, May 16, 2012 2:02 PM
Subject: Re: [Emc-users] Intel Board issues

On Wednesday, May 16, 2012 03:00:49 PM Terry Christophersen did opine:

 Yes it was me.
 
 A new version of BIOS on this board must be the problem?
 I am not a computer person but if you want servos tuned or something Im
 ok.
 
 Should I try to burn a new cd or what?
 
 I have tried my old standby 2.3 cd that always works, also no go.
 
  Terry

What is the version # of this new bios, Terry.  I see there is a 122 
version I downloaded, but if it breaks things for us, I'll leave it on my 
HD.

  
 - Original Message -
 From: andy pugh bodge...@gmail.com
 To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine
 Controller (EMC) emc-users@lists.sourceforge.net Cc:
 Sent: Wednesday, May 16, 2012 4:42 AM
 Subject: Re: [Emc-users] Intel Board issues
 
 On 16 May 2012 02:40, Terry Christophersen tcninj...@yahoo.com wrote:
  I forgot that it says  [xx.xxx] pnpbios: dev_node_info function
  not supported [xx.xxx] pnpbios: unable to get node info
 
 Is this you:
 http://www.justanswer.com/computer/6oaeu-getting-error-when-installing-l
 inux10-pnpbios-dev-node-info.html
 
 The advice there seems slightly flawed, the standard LiveCD
 installation runs perfectly on hundreds of D525MW boards.


Cheers, Gene
-- 
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soap, ballot, jury, and ammo. Please use in that order.
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Re: [Emc-users] Intel Board issues

[Terry Christophersen]

I will try the linux only method 

 
- Original Message -
From: Viesturs Lācis viesturs.la...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: Terry Christophersen tcninj...@yahoo.com
Sent: Wednesday, May 16, 2012 2:15 PM
Subject: Re: [Emc-users] Intel Board issues

Terry, is there a chance for You to try clean Lucid LiveCD (without
LinuxCNC) from USB drive?
You can then easily install LinuxCNC with all the dependencies with a
script, available here:
http://linuxcnc.org/lucid/emc2-install.sh

Since the cause of the problem seems to be mysterious, solution to it
could also be mysterious and weird.

-- 
Viesturs

If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto


2012/5/16 Daniel Rogge dro...@tormach.com:
 Terry,

 That means it's version 0083.

 Rogge

 -Original Message-
 From: Terry Christophersen [mailto:tcninj...@yahoo.com]
 Sent: Wednesday, May 16, 2012 1:57 PM
 To: Enhanced Machine Controller (EMC)
 Subject: Re: [Emc-users] Intel Board issues

 BIOS version:

 MWPNT10N.86A.0083.2001.0524.1600

 Does that mean version 86?

 Terry


 - Original Message -
 From: Kent A. Reed kentallanr...@gmail.com
 To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
 (EMC) emc-users@lists.sourceforge.net
 Cc:
 Sent: Wednesday, May 16, 2012 1:36 PM
 Subject: Re: [Emc-users] Intel Board issues

 On 5/16/2012 1:41 PM, Terry Christophersen wrote:
 Yes it was me.

 A new version of BIOS on this board must be the problem?

 And what version is it?

 Scanning the BIOS Update release notes 
 (downloadmirror.intel.com/21218/eng/MW_0122_ReleaseNotes.pdf) I see back at 
 version 0078 Fixed issue where system will not boot from a Linux partition 
 on USB flash drive. There are other interesting fixes at different versions 
 but I see nothing about the plug-n-play capability.

 According to this document, the initial production BIOS release was version 
 0049 and according to the Intel website. the current BIOS update is version 
 0122. [As an aside, judging from the number of versions and fixes, Intel is 
 continuing its tradition of paying scant attention to details of the ATOM 
 BIOS. Who gets this programming job anyway?]

 Still, there seem to be lots of folks who had no problem with this board so 
 it's hard to figure. Have you changed any of the default BIOS settings? Do 
 you have any unusual devices connected? Have you tried booting a different 
 system?

 Regards,
 Kent

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Re: [Emc-users] Intel Board issues

[Terry Christophersen]

This what I just did:

Burned a new LinuxCNC disc
unhooked my solid state hd 
went to the try without installing option
seems to work ok

I might need a hard drive at some point in time.

Solidstate hd specs:

Transcend TS32GSSD25S-M
32g 2.5 sata interface   MLC

Terry


- Original Message -
From: andy pugh bodge...@gmail.com
To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
(EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Wednesday, May 16, 2012 2:36 PM
Subject: Re: [Emc-users] Intel Board issues

On 16 May 2012 20:28, Terry Christophersen tcninj...@yahoo.com wrote:
 I will try the linux only method

Can you boot from the LiveCD, or do both boot and install fail?

-- 
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto


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Re: [Emc-users] Intel Board issues

[Terry Christophersen]

I wish I had a regular hard drive to put in for now
I ran the latency test and by far this is the fastest board I have had.
Im just glad the board works

Terry

 
- Original Message -
From: Terry Christophersen tcninj...@yahoo.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Wednesday, May 16, 2012 2:58 PM
Subject: Re: [Emc-users] Intel Board issues

This what I just did:

Burned a new LinuxCNC disc
unhooked my solid state hd 
went to the try without installing option
seems to work ok

I might need a hard drive at some point in time.

Solidstate hd specs:

Transcend TS32GSSD25S-M
32g 2.5 sata interface   MLC

Terry


- Original Message -
From: andy pugh bodge...@gmail.com
To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
(EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Wednesday, May 16, 2012 2:36 PM
Subject: Re: [Emc-users] Intel Board issues

On 16 May 2012 20:28, Terry Christophersen tcninj...@yahoo.com wrote:
 I will try the linux only method

Can you boot from the LiveCD, or do both boot and install fail?

-- 
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto


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Re: [Emc-users] Intel Board issues

[Terry Christophersen]

Thanks to all for the advice.The Hurco VMC that that board went into is now 
making chips.
I used to get a little hiccup when the machine was idle and I switched screens 
or opened
a file,now it is smooth as can be.It is a pretty quick machine for its size AC 
Fanuc servos 450ipm  35 on the acceleration so
I noticed when it did this little hiccup.
AC Fanuc servos.

Old MSI board latency 25000
New Intel  6500

Old board latency was 9500 till you moved stuff on the screen then the jump 
happened


Thanks again
 Terry



- Original Message -
From: Viesturs Lācis viesturs.la...@gmail.com
To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
(EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Wednesday, May 16, 2012 4:06 PM
Subject: Re: [Emc-users] Intel Board issues

2012/5/16 Terry Christophersen tcninj...@yahoo.com:
 Latest update:

 Took the ssd and put it in a Windose comuter and formatted it(I know you are 
 rolling your eyes at me now)
 But it seems to be installing from the new CD ok now.

 I have no reason for that to work,but I really want to try that machine today.

Mysterious problems have mysterious solutions :)
Glad that it works now.

-- 
Viesturs

If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto


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[Emc-users] Intel Board issues

[Terry Christophersen]

Hi all
 
I am upgrading a motherboard to a Intel D525MW 
I am using a Live CD and I got these issues:
 
63.608618  dev_node_info function not supported
63.608666 unable to get node info
 
I am using a 32g solid state disc
 
I usually dont have any problems when I use the Live CD
 
Im sure you will need moer info but I will wait for someone
to tell me what to look for in the BIOS
 
Thanks 
Terry

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Re: [Emc-users] Intel Board issues

[Terry Christophersen]

I forgot that it says  [xx.xxx] pnpbios: dev_node_info function not 
supported
    [xx.xxx] pnpbios: unable to get node 
info

Terry


- Original Message -
From: Terry Christophersen tcninj...@yahoo.com
To: Enhanced Machine Controller ( EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Tuesday, May 15, 2012 8:20 PM
Subject: [Emc-users] Intel Board issues

Hi all
 
I am upgrading a motherboard to a Intel D525MW 
I am using a Live CD and I got these issues:
 
63.608618  dev_node_info function not supported
63.608666 unable to get node info
 
I am using a 32g solid state disc
 
I usually dont have any problems when I use the Live CD
 
Im sure you will need moer info but I will wait for someone
to tell me what to look for in the BIOS
 
Thanks 
Terry

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Re: [Emc-users] MPG question

[Terry Christophersen]

Thanks,those  pins are just what I was looking for.
With the flexibility of Axis/LinuxCNC why would anybody
use anything else?

Terry

 
- Original Message -
From: Chris Radek ch...@timeguy.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Saturday, April 28, 2012 11:51 AM
Subject: Re: [Emc-users] MPG question

On Fri, Apr 27, 2012 at 03:46:40PM -0700, Terry Christophersen wrote:
 Hi all.
 ? I was wondering if it is possible to select the x,y,z axis from the keyboard
 just like jogging using the keyboard instead of a seperate switch for
 axis selection when using the MPG.
 I do not want to use a pendant and am running out of room on the panel
 of my control.
 What I was hopinng for was to jog with the direction buttons till I got close
 then hit the I key and use the MPG for the final touch off.


Terry,

I'm assuming you're using AXIS...

The AXIS interface has some hal pins that output the active axis and
jog increment, see axisui.* 

Those will let you do exactly what you want and it works very
smoothly - just hook 'em up.


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[Emc-users] MPG question

[Terry Christophersen]

Hi all.
  I was wondering if it is possible to select the x,y,z axis from the keyboard
just like jogging using the keyboard instead of a seperate switch for
axis selection when using the MPG.
I do not want to use a pendant and am running out of room on the panel
of my control.
What I was hopinng for was to jog with the direction buttons till I got close
then hit the I key and use the MPG for the final touch off.
 
 
Thanks
 
Terry
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Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild

[Terry Christophersen]

If you need any help I can try.I have 3 Hardinges with one that I am 
retrofitting
Hardinge website has most of the old prints 
Good Luck

Terry

 
- Original Message -
From: Mike Cinquino mcinqu...@gmail.com
To: emc-users@lists.sourceforge.net
Cc: 
Sent: Saturday, April 21, 2012 8:36 AM
Subject: Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild

The cuttoff slide was air over hydrolic to make it move smoother, just?get
rid of it
and use a cut off for a lathe that way you can put a little chamfer on the
OD before you part off.

I will do that.

Collet closer is air.Hope you have the solenoids for it because they keep
the collet closed after the air is released.There is alot of o-rings
inside the
closer so if the machine has been sitting for a while start putting a few
drops
of air tool oil down the tubes on the closer every day till you are done
with
the rest of the machine.

Also good advice. I have not tested the closer yet so I will start getting
oil in it today.

My spindle motor is 5 hp but 3 would be ok if your diameters dont get too
big
and feedrates stay conservative.

I don't have a motor yet so I will go with a 5HP... definitely rules out my
servo.

Mike
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Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild

[Terry Christophersen]

With dependable tool changes on a HNC. the stop latch (under the cover on the 
operator side of the carrage)
is usually the thing to get right.Adjustments are made by removing the long 
black cover on the right
side of the carrage.Under here there is a round plug with a hex socket,BUT 
remember to loosen the 
lock set screw that comes down from the top.
If the turret works once or twice correctly then your problem is more than 
likely mechanical rather than
computer related.
A combination of the magnetic sensor and the stop cushion is more than likely 
the issue.
What I do if I had to remove the sensor for some reason is try to get the 
turret to work as 
best as you can without the stop cushion(just to make sure the sensor is very 
close to working)
then fine tune with the stop cushion.
It takes a little while but once you get the stop working correctly the turret 
will be 100 percent reliable
 
Terry



From: Matthew Ireland wyeh...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net; Terry 
Christophersen tcninj...@yahoo.com 
Sent: Saturday, April 21, 2012 9:42 AM
Subject: Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild


Terry, you sound very knowledgeable on the workings of the turret. I have an 
HNC that I successfully retrofitted. All works fabulously, except for a running 
fight with the turret. It will work perfectly one day, and fail to latch 
repeatedly the next. If it were reliable, this could be a production machine. 
Any advice?
If I were a bit more clever, I could rewrite the ladder to fail more gracefully 
and mitigate this problem. Perhaps I should be asking for ladder configs to 
study. Currently I am using one that Radek was kind enough to copy for me, but 
in all my fooling with it I may have made changes. Any thoughts?
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Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild

[Terry Christophersen]

Kirk is 100% correct, the o-rings need to be replaced once and a while.I would 
guess 
most didnt until something wouldnt work.It is a pain but if you only have to do 
it
every 10 years or so it doesnt seem too bad.
Like Kirk said make sure the stop prawl is what is stopping the turret it 
should fire
before the motor stops trying to turn.
Watch the turret come down.It should be perfectly smooth without any movement of
rotation as it engages the locks at the seated position.This movement will be 
subtle and kind of
hard to watch but if the locks are moving the turret when it comes down then 
you are not lined up 
and are putting undue wear on them.
 
Terry

From: Kirk Wallace kwall...@wallacecompany.com
To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
(EMC) emc-users@lists.sourceforge.net 
Sent: Saturday, April 21, 2012 12:17 PM
Subject: Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild

On Sat, 2012-04-21 at 09:17 -0700, Terry Christophersen wrote:
 With dependable tool changes on a HNC. the stop latch (under the cover on the 
 operator side of the carrage)
 is usually the thing to get right.Adjustments are made by removing the long 
 black cover on the right
 side of the carrage.Under here there is a round plug with a hex socket,BUT 
 remember to loosen the 
 lock set screw that comes down from the top.
 If the turret works once or twice correctly then your problem is more than 
 likely mechanical rather than
 computer related.
 A combination of the magnetic sensor and the stop cushion is more than likely 
 the issue.
 What I do if I had to remove the sensor for some reason is try to get the 
 turret to work as 
 best as you can without the stop cushion(just to make sure the sensor is very 
 close to working)
 then fine tune with the stop cushion.
 It takes a little while but once you get the stop working correctly the 
 turret will be 100 percent reliable
  
 Terry

On mine, I loosen the screw for the magnet then note the actual tool
position. I rotate the magnet forward (I forget which way) until the
tool number matches the actual position and continue until the number
changes to 0 or the next tool number. I back off a little to get the
proper tool number back again. This way the logic can make a match early
enough to activate the stop pawl in time. If the match isn't done in
time, the table continues to rotate.

See here for the lock screw location:
http://www.wallacecompany.com/cnc_lathe/HNC/maint_man/

In case you haven't heard me say it before, if your seals are over three
years old they should be replaced (or at least checked that they are
still soft and without cracks). It made a big difference on my lathe.

-- 
Kirk Wallace
http://www.wallacecompany.com/machine_shop/
http://www.wallacecompany.com/E45/index.html
California, USA

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Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild

[Terry Christophersen]

It would be interesting for someone to use HalScope and start rotating the 
turret
and graph the magnetic sensor outputs.I think that they wont be perfectly 
spaced,
it will be close but once I had all stations to work but one.(That was without 
the stop)
That is why it is important to fire the stop before the motor stops that way it 
wont matter
if the sensor is a little off on one station.

Terry

- Original Message -
From: Ian McMahon facetious@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Saturday, April 21, 2012 12:26 PM
Subject: Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild

I have somewhat unreliable tool changes as well.  Sometimes it'll miss the 
change entirely and spin two or three revolutions before the ladder times out.  
Sometimes it seems like it pops the stop too early, and catches the turret in 
the wrong position.  Often I'll hear what sounds like the stop popping early 
and it'll make the correct change, but I'll hear it whack past the previous 
station.


I'm going to try adjusting the magnet and see if that helps.


On Apr 21, 2012, at 1:17 PM, Kirk Wallace wrote:

 On Sat, 2012-04-21 at 09:17 -0700, Terry Christophersen wrote:
 With dependable tool changes on a HNC. the stop latch (under the cover on 
 the operator side of the carrage)
 is usually the thing to get right.Adjustments are made by removing the long 
 black cover on the right
 side of the carrage.Under here there is a round plug with a hex socket,BUT 
 remember to loosen the 
 lock set screw that comes down from the top.
 If the turret works once or twice correctly then your problem is more than 
 likely mechanical rather than
 computer related.
 A combination of the magnetic sensor and the stop cushion is more than 
 likely the issue.
 What I do if I had to remove the sensor for some reason is try to get the 
 turret to work as 
 best as you can without the stop cushion(just to make sure the sensor is 
 very close to working)
 then fine tune with the stop cushion.
 It takes a little while but once you get the stop working correctly the 
 turret will be 100 percent reliable
 
 Terry
 
 On mine, I loosen the screw for the magnet then note the actual tool
 position. I rotate the magnet forward (I forget which way) until the
 tool number matches the actual position and continue until the number
 changes to 0 or the next tool number. I back off a little to get the
 proper tool number back again. This way the logic can make a match early
 enough to activate the stop pawl in time. If the match isn't done in
 time, the table continues to rotate.
 
 See here for the lock screw location:
 http://www.wallacecompany.com/cnc_lathe/HNC/maint_man/ 
 
 In case you haven't heard me say it before, if your seals are over three
 years old they should be replaced (or at least checked that they are
 still soft and without cracks). It made a big difference on my lathe.
 
 -- 
 Kirk Wallace
 http://www.wallacecompany.com/machine_shop/
 http://www.wallacecompany.com/E45/index.html
 California, USA
 
 
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Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild

[Terry Christophersen]

Another way to tell if your stop is doing the job is turn down the pressure of 
your
air supply and spin the turret at a different speed.this will tell if
you are just timing the turret with the sensor and getting lucky or if you are
using the stop correctly.slowing down the speed of the turret should not make 
you
miss stations,( I mean a little slower not 20 psi or something crazy.just till 
you notice
it is turning a little slower

Terry


 
- Original Message -
From: Kirk Wallace kwall...@wallacecompany.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Saturday, April 21, 2012 12:52 PM
Subject: Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild

On Sat, 2012-04-21 at 13:26 -0400, Ian McMahon wrote:
 I have somewhat unreliable tool changes as well.  Sometimes it'll miss
 the change entirely and spin two or three revolutions before the
 ladder times out.  Sometimes it seems like it pops the stop too early,
 and catches the turret in the wrong position.  Often I'll hear what
 sounds like the stop popping early and it'll make the correct change,
 but I'll hear it whack past the previous station.
 
 
 I'm going to try adjusting the magnet and see if that helps.

Mine works pretty well so far:
http://www.youtube.com/watch?v=vwhz3Ho_Gx0 

You might try looking at the turret signals with HALscope to make sure
the encoder values and control signals are stable.

-- 
Kirk Wallace
http://www.wallacecompany.com/machine_shop/
http://www.wallacecompany.com/E45/index.html
California, USA


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Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild

[Terry Christophersen]

All these tests are how I did things with the origional control
I dont know how many people on this list ran these with the old GEs, 
but I used to say a little prayer when I turned mine on,
sometimes he would listen sometimes not.
So whatever problem you have with a retrofitted one will pale
in compairison to what it used to be like. 
We used to keep whole turrets set up for a job because setting 
up 8 tools on the GE would bring tears to your eyes.
I think mine was $22,000 in 1979 ...about what a house would be around here
Not too many machines from 79 run as good.
Sorry this got a little long

Terry


- Original Message -
From: Kirk Wallace kwall...@wallacecompany.com
To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
(EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Saturday, April 21, 2012 1:36 PM
Subject: Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild

On Sat, 2012-04-21 at 10:55 -0700, Terry Christophersen wrote:
 It would be interesting for someone to use HalScope and start rotating the 
 turret
 and graph the magnetic sensor outputs.I think that they wont be perfectly 
 spaced,
 it will be close but once I had all stations to work but one.(That was 
 without the stop)
 That is why it is important to fire the stop before the motor stops that way 
 it wont matter
 if the sensor is a little off on one station.
 
 Terry

I recall my turret.comp doesn't turn the air motor off until the table
parks or rather the parking or settle time runs out. I need to get
around to adding the park Hall sensor in the loop somewhere.

~~
FUNCTION(_) {
    if (position_change) {
        switch (state_turret) {
        case 0:
            if (position_requested != position_current  position_requested0 
 position_requested9) {
            seek=1;
            state_turret=1;
            } else {
                position_changed=1;
            }
            break;
        case 1:
            if (position_requested == position_current) {
                stop=1;
                settle=settle_stop;
                state_turret=2;
            }
            break;
        case 2:
            --settle;
            if (settle=0) {
                seek=0;
                settle=settle_park;
                state_turret=3;
            }
            break;
        case 3:
            --settle;
            if (settle=0) {
                stop=0;
                state_turret=0;
                position_changed=1;
            }
            break;
        default:
            state_turret=0;
            break;
        }
    } else {
        seek=0;
        stop=0;
        position_changed=0;
    }
}


-- 
Kirk Wallace
http://www.wallacecompany.com/machine_shop/
http://www.wallacecompany.com/E45/index.html
California, USA

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Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild

[Terry Christophersen]

Hi Mike,

Looks like a fun project. 
But,,
I dont want to discourage you too much but if you use a  Stepper or something 
to turn
the turret you will have to address some issues.
The turret has to have air to hold it down while machining. this air is
part of a pretty complicated system involving the turret motor,the turret stop
it also lifts the turret .also the whole thing has a small amount of  regulated 
pressure to
keep the oil and chips out of the carrage.
Do you have a set of prints?
Not saying it cant be done Im just saying by the time you address all these 
things
it might be easier to replace the air motor.

Terry

- Original Message -
From: Mike Cinquino mcinqu...@gmail.com
To: emc-users@lists.sourceforge.net
Cc: 
Sent: Thursday, April 19, 2012 8:23 PM
Subject: [Emc-users] Hardinge HCNC Retrofit/Rebuild

Hello,

If anyone is interested I posted some picture of my HCNC project machine. I
have started the retro rebuild process.

Warning: the pictures my be disturbing to some machine lovers because of
all the missing parts...:)

http://www.conesusmachinetool.com/1/post/2012/04/hardinge-hcnc-lathe-rebuildretrofit.html

Because of the parts I am missing I am going to try to use a DC motor (as
suggest by someone on the IRC) or a stepper motor in place of the missing
air motor on the tool changer.

I am going to start there. I have the axis motors but not sure if I will
use them yet. I can just as easily replace them. I am leaning toward Gecko
servo drives so if I go that way I will probably replace them because of
the voltage limit on those drives.

I need a spindle motor. I have a PacSci AC servo motor (1.35KW) and drive.
I have not run the numbers to see if it would be a good choice. My gut
feeling is that it might be on the small side. If it is I will probably go
to a 3phase 3HP with VFD? Not sure what HP it came with.

Will build a custom enclosure similar to the mill enclosures I make.

I also have the coolant tank and pump and one of the pictures shows a
hydraulic panel? I have the over spindle mounted cut off slide? Was that
hydraulic? It looks like the collet closer was pneumatic?

I will update the blog as I make progress.

I appreciate the feedback and help I have gotten so far and hopefully
something from this project will benefit others in the future.

Oh and of course it will be controlled by LinuxCNC...

Mike
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Re: [Emc-users] Hardinge HCNC Retrofit/Rebuild

[Terry Christophersen]

The cuttoff slide was air over hydrolic to make it move smoother, just get rid 
of it
and use a cut off for a lathe that way you can put a little chamfer on the
OD before you part off.
Collet closer is air.Hope you have the solenoids for it because they keep
the collet closed after the air is released.There is alot of o-rings inside the
closer so if the machine has been sitting for a while start putting a few drops
of air tool oil down the tubes on the closer every day till you are done with
the rest of the machine.

My spindle motor is 5 hp but 3 would be ok if your diameters dont get too big
and feedrates stay conservative.

Terry

 
- Original Message -
From: Mike Cinquino mcinqu...@gmail.com
To: emc-users@lists.sourceforge.net
Cc: 
Sent: Thursday, April 19, 2012 8:23 PM
Subject: [Emc-users] Hardinge HCNC Retrofit/Rebuild

Hello,

If anyone is interested I posted some picture of my HCNC project machine. I
have started the retro rebuild process.

Warning: the pictures my be disturbing to some machine lovers because of
all the missing parts...:)

http://www.conesusmachinetool.com/1/post/2012/04/hardinge-hcnc-lathe-rebuildretrofit.html

Because of the parts I am missing I am going to try to use a DC motor (as
suggest by someone on the IRC) or a stepper motor in place of the missing
air motor on the tool changer.

I am going to start there. I have the axis motors but not sure if I will
use them yet. I can just as easily replace them. I am leaning toward Gecko
servo drives so if I go that way I will probably replace them because of
the voltage limit on those drives.

I need a spindle motor. I have a PacSci AC servo motor (1.35KW) and drive.
I have not run the numbers to see if it would be a good choice. My gut
feeling is that it might be on the small side. If it is I will probably go
to a 3phase 3HP with VFD? Not sure what HP it came with.

Will build a custom enclosure similar to the mill enclosures I make.

I also have the coolant tank and pump and one of the pictures shows a
hydraulic panel? I have the over spindle mounted cut off slide? Was that
hydraulic? It looks like the collet closer was pneumatic?

I will update the blog as I make progress.

I appreciate the feedback and help I have gotten so far and hopefully
something from this project will benefit others in the future.

Oh and of course it will be controlled by LinuxCNC...

Mike
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Re: [Emc-users] Nonplanar arcs

[Terry Christophersen]

I know this is a serious topic but this happened to me on my 15m:
G68 axis rotation
M68 turns on the comveyor on this machine.
Yeah you know what I did 
Some sadistic machine tool builder did that on purpose

Terry

 
- Original Message -
From: Stuart Stevenson stus...@gmail.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Thursday, April 19, 2012 11:13 PM
Subject: Re: [Emc-users] Nonplanar arcs

I don't remember the complete syntax and symbols used but on my fanuc 15m
control G68 sets the rotation angle of one rotary axis. You can use two G68
lines to rotate two rotary axes. The regular 2D code then works at the
angle described by the G68 definitions. It takes some thought to get the
rotations correct. It takes some thought and attention to follow the xyz
zero position. G69 cancels the rotations.
On Apr 19, 2012 10:58 PM, charles green xxzzb...@yahoo.com wrote:

 ..suppose you had a five axis millimg setup with the normal xyz plus
 alpha-beta rotation of the cutter rotation axis about a shperical center.
  then suppose that to take advantage of these spindle axes, you wanted to
 mill a planar facet on a part that was tipped at say five degrees to the x
 and five degrees to the y.  the facet contains pockets with circular
 features that run normal to the tipped face, or circular bosses with tap
 bores running along their axis.

 it would be nice to rotate the entire coordinate system to align with some
 of the features of interest on a part that is otherwise already set up and
 positioned in the machine.

 another solution would be to accurately rotate the part about a and b and
 c axes, and just keep track of what that does to the xyz zero on the part,
 and then all the 2d gcode still applies.  this is probably the more common
 of the five axis styles.

 maybe g16 a b c is an arbitrary interpolation plane for arcs, where abc
 are rotations relative to the abc origin (= the usual xyz directions)?
  xyzijk would have the usual meanings.

 maybe g15 p q r is an arbitrary x'y'z' coordinate system, where pqr is a
 unit vector relative to the usual xyz unit vector?  xyzijk would be in the
 sense of the rotated x'y'z' coordinate system, and g16 would act on top of
 this new coordinate system.

 maybe g14 selects no preferred plane, and disallows g2/3 until g16-19 are
 set.  maybe it also sets x'y'z' = xyz coordinates?


 --- On Thu, 4/19/12, Chris Radek ch...@timeguy.com wrote:

  From: Chris Radek ch...@timeguy.com
  Subject: Re: [Emc-users] Nonplanar arcs
  To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
 
  Date: Thursday, April 19, 2012, 11:57 AM
  On Thu, Apr 19, 2012 at 09:45:42PM
  +0300, Viesturs L??cis wrote:
  
   Uhhh, You are right, halfcircles. All three points are
  on a straight
   line, around which the arc can freely rotate. I guess
  that this is
   special case (is there any other?),
 
  That is just the worst problem.  Your system doesn't
  uniquely identify
  any arc.  For every start, center, end points there are
  a pair of arcs
  that share the points.  This is why we have
  G2/G3.  If you don't have
  a normal vector you can't say which way is clockwise, so
  G2/G3 don't
  make sense.
 
  This is also a problem you get when you specify the
  arbitrary plane
  with three points, as was proposed by Ian M.
 
  The correct solution is probably to specify the plane's
  normal vector.
 
  While it's entirely possible to do, I doubt anyone would
  ever use this
  feature if someone did the work to implement it.
 
  Chris
 
 
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[Emc-users] Hardinge HNC

[Terry Christophersen]

Hi all,
I have a Hardinge HNC that I am toying with the idea of retrofitting.I know 
there is 
a few on this list that have done so,I would like to know the amp/motor combos 
that are
in use.I have one that I put a Centroid on a few years ago but I dont have the 
workload
for another 10K kit for this one.I would just use it for a rush job so I dont 
have to tear down the 
other HNC.
 
I would assume that the origional axis motors would be usable as they were 
working when I
shut it off 5yrs ago.Maybe Jon Elsons amps would be a good choice?
 
Thanks
 
Terry

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Re: [Emc-users] Hardinge HNC

[Terry Christophersen]

That answers my question.
That looks like a lot of files to get your turret to work.
What is the board next to the DAC ?
I was under the understanding that the PWM main board read the encoders

Thanks 

Terry

 
- Original Message -
From: Kirk Wallace kwall...@wallacecompany.com
To: Terry Christophersen tcninj...@yahoo.com; Enhanced Machine Controller 
(EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Monday, April 16, 2012 10:29 PM
Subject: Re: [Emc-users] Hardinge HNC

On Mon, 2012-04-16 at 17:17 -0700, Terry Christophersen wrote:
 Hi all,
 I have a Hardinge HNC that I am toying with the idea of retrofitting.I know 
 there is 
 a few on this list that have done so,I would like to know the amp/motor 
 combos that are
 in use.
... snip

In case you haven't seen my lathe yet:
http://www.wallacecompany.com/cnc_lathe/HNC/ 

-- 
Kirk Wallace
http://www.wallacecompany.com/machine_shop/
http://www.wallacecompany.com/E45/index.html
California, USA

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Re: [Emc-users] Tool change question

[Terry Christophersen]

It is funny what people think should be a standard feature
because it is what their machine needs.
What you really need is an automatic tool changer.
I can jog,ride a bike,have a cup of coffee,or do most anything during my tool
changes.(I am sorry I could not resist.)
 
 
Terry
 
 

From: gene heskett ghesk...@wdtv.com
To: emc-users@lists.sourceforge.net 
Sent: Sunday, March 18, 2012 8:12 PM
Subject: Re: [Emc-users] Tool change question

On Sunday, March 18, 2012 09:10:26 PM gene heskett did opine:

 On Sunday, March 18, 2012 10:56:07 AM Michael Haberler did opine:
  Am 18.03.2012 um 13:36 schrieb Tony Zampini:
  
  ...
  
   On a more general note, being able to touch off after a tool
   change seems to me to be a necessary function for any and every
   milling operation. Why doesn't EMC2 have this feature built-in? Or,
   to put it another way, how are users of EMC2 currently determining
   the new z offset after changing tools, assuming they don't use a
   probing feature? Just curious.
 
 See below.
 
  please see the example in
  http://git.linuxcnc.org/gitweb?p=emc2.git;a=tree;f=configs/sim/remap/m
  an
  ual-toolchange-with-tool-length-switch;h=8c716f10d20a9f0722de83dda3fb
  393 087d94270;hb=10d8caf753ab0269f882d83b59a6c76e2e3ae28d
  
  this can easily be adapted to other forms of touchoff
  
  -m
 
 I am not aware to a method that doesn't at some point make use of the
 G38.2 function, which means there MUST be a probe of the tool.  In my
 case, doing pcb work using eagle  pcb2gcode, I wrote some routines
 that assume the probing pin is connected to the pcb itself.  In my
 case, the use of the routines requires that calls to the probe function
 be manually edited into the pcb-gcode output to command a move to a
 location that clears the work space for the tool change, and after each
 tool change call the subroutine to establish the offset.
 
 As I tend to run with rather leasurely accelerations, my probes are done
 relatively slowly so the tool doesn't overshoot and mark up the
 workpiece, so each probe adds about a minute to the production time.
 
 I also added a bit of a fudge factor so the 'etching' depth can be
 controlled without having to rerun pcb-gcode and then reinstall this
 stuff by editing in everything all over again.
 
 At my web page in the sig, add /Genes-os9-stf/eagle to the path and you
 can download the 3 files I use.
 
 tedautoz.ngc  (tOPeTCHdRILL.ngc)
 bedautoz.ngc  (bOTTOMeTCHdRILL.ngc)
 tholefinder.ngc
 PCB-Pallat.JPG
 
 tholefnder.ngc is written to use a short piece of tubing let into the
 pallet that holds the pcb for etching, and the offsets it develops as it
 runs set the left-right offsets in G55 and G56 modes so the top etch,
 top drill, matches up with the bottom etch and bottom drill files. PCB-
 Pallat.JPG shows fuzzily, what my pallet for that first board looks
 like. The grayer area in the center has been relieved another 25 thou
 so any machining burrs left from the etching  and drilling of the first
 side do not prop the board up and mess up the bottom side by etching
 too deeply.
 
 tholefinder.ngc will of course need editing so that what it discovers
 will work for the pcb carrying pallet you'll need to make.  I made mine
 from some 1/2 micarta I bought a couple slabs of from Highland
 Hardware in Hotlanta, intending to make zero clearance inserts for my
 BT-3000 Ryobi table saw, something that saw is very badly in need of
 since the plastic casting they sell comes out of the box sitting 50
 thou too low all over, and over .1 low at the top center of the blade.
  I made 2 zero clearance inserts, and haven't damaged the first one
 yet. Piece of crap factory plastic I won't every buy again.  The
 micarta works great.
 
 Cheers, Gene

I forgot to mention that the pix of the pcb pallet doesn't show the 
machined fin on the bottom that fits the T nut slots of my mills table in 
order to maintain x alignment when its removed  remounted on the mills 
table.

Cheers, Gene
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Re: [Emc-users] Possible bug in G41-42 stuffs?

[Terry Christophersen]

 .125dia tool cutting a .230dia ID will leave you .0525 move  
if you are starting in the center of the hole and moving to the edge
I dont know if you are saying that cuttercomp is  not working correctly
but I have used it for this application and it works as I think it should.
 
Terry


From: gene heskett ghesk...@wdtv.com
To: emc-users@lists.sourceforge.net 
Sent: Friday, December 30, 2011 11:55 PM
Subject: [Emc-users] Possible bug in G41-42 stuffs?

Greetings;

Lots of editing to no avail, but I believe I have a clue to the G41-42 
problem.  The preset radius is for a .230 diameter circle, but if I use a 
.125 mill, it errors out and will not load the code.

So, switching to the G41.1 Dnn.nn mode, the error is triggered even by a 
g41.1 D0.001.  My machine, I don't think, can even make that small a 
move!

Now, the code output by gcode-tools places the bit into cutting position to 
actually start cutting the circle, so it looks as if I need to first place 
the cutter at dead center, then move to the starting offset, which with a 
.230 OD to the cut, and a .125 OD to the mill, should leave it .115 to 
move from the center to the y=0 relative, x=compensated relative offset.

Am I making any sense here?  It isn't to me.  I think it should take place 
at any point in the motions where it can detect left or right edge, 
positioning to do dig cuts, or climb cuts.  Waiting to apply the correction 
as a circular cut actually starts sure is a PIMA, and wrong to me.  Can 
anyone explain why, and then how to fix it, since without the comp, a .230 
diameter cut turns into a .345 diameter cut because the radii of the tool 
gets added all the way around.

Thanks guys.

Cheers, Gene
-- 
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soap, ballot, jury, and ammo. Please use in that order.
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My web page: http://coyoteden.dyndns-free.com:85/gene
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Re: [Emc-users] Possible bug in G41-42 stuffs?

[Terry Christophersen]

I am sorry.I didnt read far enough in your post.
Ignore my previous reply.

Sorry
Terry
 
- Original Message -
From: Terry Christophersen tcninj...@yahoo.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Cc: 
Sent: Saturday, December 31, 2011 11:00 AM
Subject: Re: [Emc-users] Possible bug in G41-42 stuffs?

 .125dia tool cutting a .230dia ID will leave you .0525 move  
if you are starting in the center of the hole and moving to the edge
I dont know if you are saying that cuttercomp is  not working correctly
but I have used it for this application and it works as I think it should.
 
Terry


From: gene heskett ghesk...@wdtv.com
To: emc-users@lists.sourceforge.net 
Sent: Friday, December 30, 2011 11:55 PM
Subject: [Emc-users] Possible bug in G41-42 stuffs?

Greetings;

Lots of editing to no avail, but I believe I have a clue to the G41-42 
problem.  The preset radius is for a .230 diameter circle, but if I use a 
.125 mill, it errors out and will not load the code.

So, switching to the G41.1 Dnn.nn mode, the error is triggered even by a 
g41.1 D0.001.  My machine, I don't think, can even make that small a 
move!

Now, the code output by gcode-tools places the bit into cutting position to 
actually start cutting the circle, so it looks as if I need to first place 
the cutter at dead center, then move to the starting offset, which with a 
.230 OD to the cut, and a .125 OD to the mill, should leave it .115 to 
move from the center to the y=0 relative, x=compensated relative offset.

Am I making any sense here?  It isn't to me.  I think it should take place 
at any point in the motions where it can detect left or right edge, 
positioning to do dig cuts, or climb cuts.  Waiting to apply the correction 
as a circular cut actually starts sure is a PIMA, and wrong to me.  Can 
anyone explain why, and then how to fix it, since without the comp, a .230 
diameter cut turns into a .345 diameter cut because the radii of the tool 
gets added all the way around.

Thanks guys.

Cheers, Gene
-- 
There are four boxes to be used in defense of liberty:
soap, ballot, jury, and ammo. Please use in that order.
-Ed Howdershelt (Author)
My web page: http://coyoteden.dyndns-free.com:85/gene
The vast majority of successful major crimes against property are
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Re: [Emc-users] Possible bug in G41-42 stuffs?

[Terry Christophersen]

Your New Years eve sounds as exciting as mine
I am running some small parts on my Hardinge--its
not so bad though 1 bar of material runs for a hour or so.

Dont have too much fun with the Jack

Have a safe and Happy New Year

Terry

Have a safe an
- Original Message -
From: gene heskett ghesk...@wdtv.com
To: emc-users@lists.sourceforge.net
Cc: 
Sent: Saturday, December 31, 2011 1:21 PM
Subject: Re: [Emc-users] Possible bug in G41-42 stuffs?

On Saturday, December 31, 2011 01:48:48 PM Terry Christophersen did opine:

  .125dia tool cutting a .230dia ID will leave you .0525 move  
 if you are starting in the center of the hole and moving to the edge

This is I believe the crux of the problem.  This code generator does not 
start at the center, but pre-places the bit at the +x starting position, 
then issues about 15 to 20 lines of code to cut short segments of the 
circle, using g2 moves.  So, according to the backtrace anyway, I see a 
slight 'hook' in the trace (when it actually gets that far) as it starts 
the cut, then errors because its gouging.

 I dont know if you are saying that cuttercomp is  not working correctly
 but I have used it for this application and it works as I think it
 should.

So have I Terry, but this is a fresh emc release as I'm on 10.04 and 
synaptic is setup to keep me up to the latest release, 2.4.7-11-g7a74494 as 
of a couple days ago.  So I am wondering if I've found a regression.

My point is, that there are moves ahead of the g2 moves that it could use 
to apply this cutter compensation, but it apparently waits until a g2 move 
is commanded before it gets applied.  And IMO that is WRONG.

It isn't helped a bit (in my ancient mind) that the descriptions for the 
G41-G42 commands make no mention of dig cut or climb cut, just left or 
right.  I could understand the concept a lot easier if it were to deal with 
it in dig or climb terms.  Here, its all dig, it drops the bit in, and the 
end result is a full clockwise circle move with the bit, starting and 
ending at the 3 oclock position.  So if I want to use this code to just 
isolate the screws, I'll have to forget G41 entirely, and put in the 
engraving bit  just dig the line a thou or so deep.  That will work to 
isolate the mounting screws, but I had visions of setting the area inside 
the circle down 15 thou or so because 1/4 screws are not quite as long as 
need be for the end of the screw to come flush with the nut.  So I may as 
well take the code that bored the dozen holes and write a new subroutine to 
do this.

Its amazing the stuff we put up with at the feet of the do it with a 
computer god.  Anyway, its new years eve and I intend to have this stage 
done by the time we grab some snack stuff out of the fridge  go down the 
street to the neighbors for watching the ball fall or whatever.  And 
debating on whether I take a half gallon of black label Jack D. that's 
about 10 yo now  still has a seal on it along.  I like it, but being 
diabetic, it isn't good for me, so its definitely just a sip now and then.  
So I'll settle for my daily ration of a couple of ultra-lites I guess.

I see your other 2 replies, they may not need an answer but I didn't check 
to the bottom of them.  This list seems to be gradually becoming a top 
posting list, yeeuuch.

Thanks Terry.

Cheers, Gene
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soap, ballot, jury, and ammo. Please use in that order.
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Re: [Emc-users] 3 phase power

[Terry Christophersen]

You need a transformer to step it down,that is how most machines do it.
this will be a cleaner set up rather than 3ph and a 1ph line coming in.
 



From: Brian May bri...@diezorlich.com
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Sent: Thursday, November 10, 2011 9:27 PM
Subject: Re: [Emc-users] 3 phase power

Ok that makes sense. 

Just out of curiosity, How do other machines do it. Our other cnc machines only 
have the 3 lines and earth ground running into them...

Sent from my iPod

On Nov 10, 2011, at 9:01 PM, Brian Mihulka bmihu...@hulkster.net wrote:

 On 11/10/2011 08:50 PM, Brian May wrote:
 This is probably an easy question for alot af the people on the list.
 
 I have 3 phase power going to my vfd on my machine.  I want to the use that 
 same power to power all the 120 single phase components. (the dc power 
 supply for the steppers and varios other motors. ).  This way i only need 1 
 plug
 
 I have been reading and people say i can go from 1 leg to a nuetral or leg 
 to leg. I do not have a nuetral line so my question is will it be ok to go 
 from leg to leg for the 120 single phase?  Or is there some other component 
 i need?
 
 Thanks
 Brian
 
 Sent from my iPod
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 If its 3 phase 208, one leg to any other leg will give you 208.  You 
 have to have the neutral to get 120 from any leg.  You should get 120 
 from any leg to ground but it wouldn't be up to code.
 
 Brian
 
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