Re: [Emc-users] Axis Direction Change with Servo System - How?

2009-12-28 Thread Chris Radek
On Tue, Dec 29, 2009 at 12:50:15PM +1030, Steve Corboy wrote: I understand how to do this with a stepper system - by changing the sign of the input scale in the .ini file. However, when I do this with a servo system, the axis happily charges off in one direction when powered on because now

Re: [Emc-users] Manual command on pause

2009-12-29 Thread Chris Radek
On Tue, Dec 29, 2009 at 01:12:59PM +0300, ??? ? wrote: Hello guys, Does exist any way to run some command on GCODE program pause? I need it for sewing-machine robot. If thread is break off, I need to press pause, restore thread, return robot on 2-3 steps and continue

Re: [Emc-users] multispindle

2009-12-30 Thread Chris Radek
On Wed, Dec 30, 2009 at 02:36:20PM -0800, Greg Bollheimer wrote: Hello, I have a machine with more than one spindle and I would like machine to automatically pick up the the physical offset depending on which spindle i select. Is there anyway to do this inside of emc? If they have the same

Re: [Emc-users] Building and using emcsh

2009-12-30 Thread Chris Radek
On Wed, Dec 30, 2009 at 05:52:00PM -0800, Flying Electron wrote: probably because of the TCPIP latency of checking if the previous MDI commands had finished Ideally you'd give EMC a file it could open, so you don't have to send a program as MDI one line at a time. Failing that do you know

Re: [Emc-users] tool table

2010-01-05 Thread Chris Radek
On Wed, Jan 06, 2010 at 02:59:13PM +1100, Erik Christiansen wrote: If we don't watch out, there is a risk that the only way to read or edit our configuration files would be some GUI monstrosity! (Hopefully, I exaggerate horribly. :-) I sure sympathize with this worry. XML is very hostile to

Re: [Emc-users] Graphics card with DVI out?

2010-01-07 Thread Chris Radek
On Thu, Jan 07, 2010 at 12:55:41PM -0800, Neil Baylis wrote: Hello, Can anyone recommend a graphics card that's known to play nice with EMC, and which has a DVI output? I have used some of these old Matroxes http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItemitem=180452263122 There are AGP

Re: [Emc-users] GUI for hole-probe.ngc

2010-01-08 Thread Chris Radek
On Fri, Jan 08, 2010 at 02:22:00PM +0300, ??? ? wrote: Hello guys, To use hole-probe.ngc file I have to define folowing variables #1001=nominal X-value of hole center #1002=nominal Y-value of hole center #1003=some Z-value inside the hole #1004=probe tip radius

Re: [Emc-users] parameter SCALE

2010-01-18 Thread Chris Radek
On Mon, Jan 18, 2010 at 06:05:56PM +0300, ??? ? wrote: Hello guys As I understand from manual SCALE defines number of pulses that corresponds to a move of one machine unit. Right. It must be integer, but not float, because it is not possible to generate 1,5 pulses.

Re: [Emc-users] Big files

2010-02-02 Thread Chris Radek
On Tue, Feb 02, 2010 at 08:52:55AM -0800, Neil Baylis wrote: On Tue, Feb 2, 2010 at 7:53 AM, Gene Heskett gene.hesk...@gmail.com wrote: 1. emc executes the program looking for show stopper errors as it loads, assuming instant moves without output to the machinery. Is it possible that

Re: [Emc-users] A newbie question about inhibiting motion based on the state of an input.

2010-02-18 Thread Chris Radek
On Thu, Feb 18, 2010 at 09:22:38AM -0600, Lee Barry wrote: I'm just learning about EMC2 so please forgive me if this question has already been addressed elsewhere. I could not find any mention of it in the user manuals or email archives. I am converting to EMC2 from Mach3 software to

Re: [Emc-users] G96 Spindle Speed

2010-03-08 Thread Chris Radek
On Mon, Mar 08, 2010 at 06:44:06PM +, Andy Pugh wrote: http://linuxcnc.org/docs/html/gcode_main.html#sec:G96,-G97:-Spindle Says that spindle speed is calculated on the basis of machine X position and Tool Offset. That used to be true. This appears to mean machine absolute position?

Re: [Emc-users] EMC and automation

2010-03-18 Thread Chris Radek
On Thu, Mar 18, 2010 at 10:19:04AM +0200, Viesturs L?cis wrote: In ideal situation, i would like to have some counter, which counts, how many items have been processed, and compares to a number i have set - so that it stops the work once given number of parts is produced. o100 repeat [100]

Re: [Emc-users] G52 and Fanuc conversion to EMC

2010-03-20 Thread Chris Radek
On Sat, Mar 20, 2010 at 03:57:02PM -0500, Jon Elson wrote: If you look further, I think you will find there is NO tachometer in the machine. The Fanuc controls synthesize this from the encoder signals. The mesa hostmot2 driver has a good encoder velocity output that considers the time stamp

Re: [Emc-users] G52 and Fanuc conversion to EMC

2010-03-20 Thread Chris Radek
On Sat, Mar 20, 2010 at 02:07:14PM -0400, Paul Keeton wrote: Gene, Do you (or anyone else) see any any issue with using a separate encoder and leaving the tach on the motor alone? WAIT - what exactly do you have? Some people are assuming you have tachs, some assume you don't,

Re: [Emc-users] Python script find center from 3 locations

2010-03-24 Thread Chris Radek
On Tue, Mar 23, 2010 at 07:15:30PM -0400, Przemek Klosowski wrote: I haven't cross-checked this, but inputting this into Maxima: solve([(x1-h)^2 + (y1-k)^2 = r^2, (x2-h)^2 + (y2-k)^2 = r^2, (x3-h)^2 + (y3-k)^2 = r^2], [h, k, r]); results in:

[Emc-users] How to make round bores

2010-03-29 Thread Chris Radek
On Fri, Mar 26, 2010 at 07:24:21PM -0700, Chris Reynolds wrote: what's happening is that my cuts aren't coming out perfectly round. Any suggestions? I think very few machines can make a good round circular pocket with an end mill. If the ballscrews, lube, gibs, (and if servos, tuning) are not

Re: [Emc-users] How to make round bores

2010-03-29 Thread Chris Radek
On Mon, Mar 29, 2010 at 08:36:32PM -0400, Przemek Klosowski wrote: On Mon, Mar 29, 2010 at 11:38 AM, Chris Radek ch...@timeguy.com wrote: I do this in Aluminum and I like to use one tooth of a HSS end mill as a boring bar. Interesting---how do you mount the endmill? I take it you have

Re: [Emc-users] Random Direction Changes

2010-03-29 Thread Chris Radek
On Mon, Mar 29, 2010 at 10:26:28PM -0400, darcys...@gmail.com wrote: The basic behavior is that when you push the jog button in a certain direction you don't know which direction it will go. It will maintain it's course in that direction, but when releasing the button and pressing it

Re: [Emc-users] Hobbing

2010-04-02 Thread Chris Radek
On Sat, Apr 03, 2010 at 09:19:35AM +1100, Frank Tkalcevic wrote: Which pins to you connect together? I want to be able to do this to keep a dial indicator in the groove of a ballscrew when I try to center it in the lathe. When I turn the chuck, I want the feedscrew to move. You could just

Re: [Emc-users] [Emc-developers] RELEASED: emc 2.3.5

2010-04-04 Thread Chris Radek
In Jeff's absence, I've built the EMC 2.3.5 release for Ubuntu Dapper 6.06. It is now available. Chris -- Download Intel#174; Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs

Re: [Emc-users] [Emc-developers] RELEASED: emc 2.3.5

2010-04-04 Thread Chris Radek
On Sun, Apr 04, 2010 at 10:33:11PM -0400, Gene Heskett wrote: Great Chris. Is that 'backtrace' memory leak fix in it? That thing is killing me right now. You can always find the release notes here: http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Released and in this case the one we hope helps

Re: [Emc-users] G - Code Noob

2010-05-18 Thread Chris Radek
On Tue, May 18, 2010 at 10:51:53AM -0400, Mark Wendt wrote: I did forget to mention, I upgraded EMC2 on my machine to 2.4. Andy mentioned something about NURBS in one of his posts, and gave me the URL for our wiki page on it: http://wiki.linuxcnc.org/emcinfo.pl?NURBS Did this make it

[Emc-users] Splines/NURBS in EMC2.4

2010-05-18 Thread Chris Radek
On Tue, May 18, 2010 at 04:48:57PM +0100, Andy Pugh wrote: As far as I can see the docs don't mention it at all, anywhere. Any pointers? We don't have much. The student who originally did the implementation wrote this paper: http://timeguy.com/cradek-files/emc/Leto_art837759.pdf There is

Re: [Emc-users] Tuning questions, Axis

2010-05-20 Thread Chris Radek
On Thu, May 20, 2010 at 09:32:37AM -0700, Neil Baylis wrote: 5) FF2 seems to have no effect. I added it in the INI file immediately after FF1. You probably didn't hook it up to pid in your hal file. --

Re: [Emc-users] Preferred syntax of G71

2010-06-09 Thread Chris Radek
On Wed, Jun 09, 2010 at 12:24:20PM -0500, Daniel Goller wrote: Looking over the use if I, J, K in G76, I would like to propose using I and K in place of U and W for stock allowance in a G71/G72 cycle. That sounds reasonable to me too. X Z I K words would mean roughing in XZ plane, U W I K

Re: [Emc-users] Home Axis problems.

2010-06-16 Thread Chris Radek
On Wed, Jun 16, 2010 at 01:43:33PM -0400, Don Stanley wrote: The first home on either axis after EMC is first started almost always produces a Joint Following Error. What kind of motors/drives/interfaces are you using?

Re: [Emc-users] Home Axis problems.

2010-06-16 Thread Chris Radek
On Wed, Jun 16, 2010 at 02:18:22PM -0400, Don Stanley wrote: Hi Chris; Servos (Anaheim Automation DC Brushless motors and controllers ). Motenc-Lite interface. Don I assume you're homing to index. If so this sounds like the homing thump problem. You should update to 2.4.1 and then hook

Re: [Emc-users] Looking for info about converting old Proto Trak control to EMC

2010-07-01 Thread Chris Radek
On Thu, Jul 01, 2010 at 08:55:40PM -0400, Terry wrote: Has anyone done an upgrade on a mid 80's Bridgeport mill with a Pro Trak control? I have one that has Gentek DC servo's and amplifiers. The machine has servo motors on all three axis and they work fine but I would like a more modern

Re: [Emc-users] Looking for info about converting old Proto Trak control to EMC

2010-07-02 Thread Chris Radek
On Fri, Jul 02, 2010 at 06:41:22PM -0400, Terry Neilson wrote: Chris, Thank you for writing back. I will try to get more info on this machine. This has gage wheel type encoders that use a friction wheel that run along a rail on the y and on the back of the table for x. It has an encoder on the

Re: [Emc-users] odd PID tuning problem

2010-07-07 Thread Chris Radek
On Thu, Jul 08, 2010 at 10:32:50AM +1000, Jake Anderson wrote: We have converted our mill to CNC and EMC2 and all is fairly well. http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?JakeAndRussells ... Unfortunatly when I change that cruise speed (g1 F200 vs G1 F100 say) the ferror goes up, and I

Re: [Emc-users] Spindle at speed Coordinated Motion problems?

2010-07-15 Thread Chris Radek
On Thu, Jul 15, 2010 at 09:16:23AM -0400, Don Stanley wrote: Do you have a suggestion of a preferred way to get a velocity input for motion.spindle-speed-in from the Motenc encoder? The most straightforward way to get this (ddt on the position pin) is not safe across index. It will go nuts

Re: [Emc-users] Spindle at speed Coordinated Motion problems?

2010-07-15 Thread Chris Radek
On Thu, Jul 15, 2010 at 08:42:34AM -0700, Peter C. Wallace wrote: Not quite, I was suggesting tossing bad data so even if the velocity is filtered the bad data does not contribute to the average pid can now be hooked to an index-enable signal so it knows when there's a (possibility of a)

Re: [Emc-users] Spindle at speed Coordinated Motion problems?

2010-07-15 Thread Chris Radek
On Fri, Jul 16, 2010 at 12:28:45AM +0100, Andy Pugh wrote: I have had a quick look at the Motenc memory map and the Motenc HAL driver, and basically it looks like all the Motenc does is count and reset/latch. There is no velocity or edge timestamping. So, any velocity calculations would

Re: [Emc-users] using fanuc drives and motors

2010-07-18 Thread Chris Radek
On Sun, Jul 18, 2010 at 09:32:40AM -0500, Stuart Stevenson wrote: If that generated tach signal was sufficient for the amps in the late 70's would the current technology be able to at least match it? I have several competing ideas in my head about this. I will list them in order from least

Re: [Emc-users] Lathe ATC integration

2010-07-25 Thread Chris Radek
On Sun, Jul 25, 2010 at 05:11:19PM +0100, Andy Pugh wrote: Alternatively, you could do it all in G-code. (I think). Linking the tool-change pin to an MDI_COMMAND pin (see http://linuxcnc.org/docs/2.3/html/gui_halui.html#sub:MDI ) should allow you to execute a G-code subroutine automatically

Re: [Emc-users] Lathe ATC integration

2010-07-25 Thread Chris Radek
On Sun, Jul 25, 2010 at 06:44:31PM +0100, John Prentice wrote: For an 8 position turret you have a ratchet with 8 teeth and a spring-loaded pawl. Assuming you know where you are now (say tool 2) and each click needs 100 steps. To move to tool 5 you output 330 steps. You now know that

Re: [Emc-users] Considering EMC for multi axis milling.

2010-07-26 Thread Chris Radek
On Mon, Jul 26, 2010 at 01:00:55PM -0400, Don Stanley wrote: Can EMC do coordinated move on all nine axis in a single move command i.e. G01? Yes. Are there limitations that would require compound arcs shapes to be converted to small step in a five axis milling machines? Can you give an

Re: [Emc-users] Proper behavior of Flood Coolant switch

2010-07-30 Thread Chris Radek
On Fri, Jul 30, 2010 at 09:47:43AM -0500, Igor Chudov wrote: Great. Would anyone suggest how to do it with HALUI? Just trying to get started with Halui. Here are the requirements again: Here are my requirements: 1) If flood is set to ON on the maintained switch, then maintain flood

Re: [Emc-users] 3 questions. 1-Stopping automatic updates. 2-Forced loading versions. 3-G00 moves with EMC 2.3.5 and 2.4.2

2010-08-02 Thread Chris Radek
On Tue, Aug 03, 2010 at 12:14:51AM -0400, Don Stanley wrote: The best I can tell so far it came with EMC 2.3.5 and stayed with 2.4.n. So far testing indicates the following: [TRAJ] DEFAULT_VELOCITYaffects nothing. [TRAJ] MAX_VELOCITY sets jog speed. [AXIS_0] MAX_VELOCITY

[Emc-users] an exciting new setup: generated tach signal

2010-08-10 Thread Chris Radek
Hi all, I have a VMC with low inertia servos and 25 amp 270 volt velocity mode servo amps. It has tachometers and 1/25400 inch (micron) resolution rotary encoders on the motors. I have been struggling with a bad tachometer on Y for a while now - it would come and go - and when people started

Re: [Emc-users] an exciting new setup: generated tach signal

2010-08-10 Thread Chris Radek
On Tue, Aug 10, 2010 at 07:53:48PM -0700, Neil Baylis wrote: would you care to hazard a guess at how much phase shift you see from the 7i48 input to the velocity input at the servo amp? There's at least a millisecond delay between the motion and the amp seeing the corresponding tach signal,

Re: [Emc-users] an exciting new setup: generated tach signal

2010-08-11 Thread Chris Radek
On Wed, Aug 11, 2010 at 07:47:21AM -0700, dave wrote: Hi Chris, Indeed that is exciting. Far better results than I would have expected. I wonder if decreasing the servo cycle would decrease the following error? Not that 0.0005 on acceleration is bad. That is about 13 counts at the motor

Re: [Emc-users] Is there a Numbered Parameters List?

2010-08-13 Thread Chris Radek
On Fri, Aug 13, 2010 at 11:00:08PM -0400, Don Stanley wrote: Hi All; I am attempting to use the EMC Number Parameters data to make decisions in the G Code program. The only ones I have found in the documentation so far is: 5211 - 5216 for G92. 5221 - 5389 for G54 - G59.3 Is there a list

Re: [Emc-users] an exciting new setup: generated tach signal

2010-08-14 Thread Chris Radek
On Tue, Aug 10, 2010 at 07:53:48PM -0700, Neil Baylis wrote: Chris, would you care to hazard a guess at how much phase shift you see from the 7i48 input to the velocity input at the servo amp? I tried to measure the delay in this setup. I scoped the real tachometer (which is now hooked to

Re: [Emc-users] EMC2 v2.4.3 G76 change?

2010-08-15 Thread Chris Radek
On Thu, Aug 12, 2010 at 06:53:52PM +0100, Schooner wrote: Hi Downloaded and compiled the above to 'run-in-place' , just to see what had changed etc. Have previously been using v2.3.0 from the cd image. Thus far functioning as expected with one exception. When I ran a test threading

Re: [Emc-users] How does EMC Control 3 Axis Mills with Stepper Motors and Linear Encoders?

2010-08-18 Thread Chris Radek
On Wed, Aug 18, 2010 at 08:38:40AM -0700, Kirk Wallace wrote: I still contend that encoder feedback on a stepper system has no proven advantage I saw a machine at CNC Workshop that was set up with encoders and steppers. It still did step generation in position mode, exactly as it would

Re: [Emc-users] Use of Chris's truetype-tracer from G code?

2010-08-18 Thread Chris Radek
On Wed, Aug 18, 2010 at 06:42:23PM -0400, Kenneth Lerman wrote: One significant part of this that is a real pain is that the parser converts all text to upper case early in the process. Happily, it doesn't convert comments! % cat f.ngc (SYSTEM,echo Hello world!) m2 % rs274 -g f.ngc [...]

Re: [Emc-users] Wichita fest

2010-08-18 Thread Chris Radek
On Wed, Aug 18, 2010 at 04:54:53PM -0500, Stuart Stevenson wrote: Gentlemen, I have not heard much about an EMC Fest other than the CNC Workshop. I am willing to host a meeting here again this year. I just need a week or two notice. Sounds really fun - lots of interesting projects - count

Re: [Emc-users] Code interpretation in EMC

2010-08-19 Thread Chris Radek
On Thu, Aug 19, 2010 at 07:54:36AM -0500, Viesturs L??cis wrote: I just received also this error message: Straight feed in concave corner cannot be reached by the tool without gouging It indicated that the error is around line 24, so here is the part of the code: G1 X+167.031 Y+46.741

Re: [Emc-users] Code interpretation in EMC

2010-08-19 Thread Chris Radek
On Thu, Aug 19, 2010 at 08:32:49AM -0500, Stuart Stevenson wrote: On Thu, Aug 19, 2010 at 8:22 AM, Chris Radek ch...@timeguy.com wrote: On Thu, Aug 19, 2010 at 07:54:36AM -0500, Viesturs L??cis wrote: Yes, the problem is just what the error message says. There is a move that makes

Re: [Emc-users] Code interpretation in EMC

2010-08-19 Thread Chris Radek
On Thu, Aug 19, 2010 at 09:31:42AM -0500, Viesturs L??cis wrote: Ok, thank You for the explanation, I kind of realised that it is the case that there is corner that cannot be completely reached, because tool is too big. The way I see the ideal solution - display the error message so that I

Re: [Emc-users] Code interpretation in EMC

2010-08-19 Thread Chris Radek
On Thu, Aug 19, 2010 at 09:45:39AM -0500, Stuart Stevenson wrote: Chris, Sorry for the catty remark it's just that we have had several conversations about cutter compensation routines. :) Yes but thanks for that reminder. I want to be clear enough about what is going on here for everyone

Re: [Emc-users] Code interpretation in EMC

2010-08-19 Thread Chris Radek
On Thu, Aug 19, 2010 at 10:48:37AM -0500, Viesturs L??cis wrote: Ok, but then how comes I do not receive this error, when cutting a rectangular hole in material, which is defined by 4 G01 moves (and G41 or G42 is active) - there is sharp 90 degree corner and round tool - so the corner cannot

Re: [Emc-users] Code interpretation in EMC

2010-08-19 Thread Chris Radek
On Thu, Aug 19, 2010 at 06:06:58PM +0200, yann jautard wrote: Did you use G64 Ptolerance when using G41/42 to cut a corner ? This could explain why it did not produced an error. This is unrelated. -- This SF.net

Re: [Emc-users] Code interpretation in EMC

2010-08-19 Thread Chris Radek
On Thu, Aug 19, 2010 at 12:29:39PM -0400, Thomas D. wrote: I realize that probably everyone has their own idea of what the ideal solution is, and wholeheartedly respect that what may seem to be a minor change from a user perspective can often be massive work from a developer perspective

Re: [Emc-users] Code interpretation in EMC

2010-08-19 Thread Chris Radek
On Thu, Aug 19, 2010 at 12:41:02PM -0500, Viesturs L??cis wrote: In Your example all the square pockets would be skipped and outside contour would be cut. In my example I would get, what I want. It cannot possibly be safe to throw away part of the program and then continue on with the rest of

Re: [Emc-users] Enshu progress

2010-08-19 Thread Chris Radek
On Thu, Aug 19, 2010 at 02:07:44PM -0500, Stuart Stevenson wrote: Gentlemen, a couple pictures of the enshu's new control hardware http://www.mpm1.com:8080/machines/enshu/controlpanel.jpg http://www.mpm1.com:8080/machines/enshu/controlpendant.jpg Neat! That looks very much like the

Re: [Emc-users] Compatibility with small touchscreens?

2010-08-23 Thread Chris Radek
On Mon, Aug 23, 2010 at 03:21:19PM -0500, James Louis wrote: This past CNC Workshop in Ann Arbor, Michigan had a small touchscreen EMC2 controller on display at the Pico Systems booth. It used an interface called Touchy and might be just what you're looking for, but it is not released yet.

Re: [Emc-users] new control panel

2010-08-27 Thread Chris Radek
On Fri, Aug 27, 2010 at 02:26:01PM -0400, Matt Shaver wrote: Nice looking! I notice that you are using the jog knob from the old Bridgeport E control panel. Are you also using the old panel mount encoder? The one that looks like a 1/2 Watt chassis mount pot? If so, have you found any data on

Re: [Emc-users] touchy no start machine

2010-08-28 Thread Chris Radek
On Sat, Aug 28, 2010 at 07:58:54PM -0500, Stuart Stevenson wrote: Chris, that fixed it I erased the last line of the file at http://www.mpm1.com:8080/machines/enshu/enshu.tbl Excellent. I have also found the bug that caused the crash, and am trying to confirm that I have written a

Re: [Emc-users] touchy no start machine

2010-08-29 Thread Chris Radek
On Sat, Aug 28, 2010 at 04:08:21PM -0500, Stuart Stevenson wrote: [19076.980342] io[19939]: segfault at 08a40880 eip 0804b222 esp bfa1bcc0 error 6 This is now fixed in v2.4_branch and master. Chris -- Sell apps to

Re: [Emc-users] Emc2 Safe Zone ?

2010-08-30 Thread Chris Radek
On Mon, Aug 30, 2010 at 09:36:57PM -0500, Daniel Goller wrote: What additional info would be required to know what I was asking about. Or is it more Oh no dude, we know what you wanted, it's just so not possible, we just don't want to touch this one : I agree it'd be nice if the machine could

Re: [Emc-users] Truetype-tracer - Fill not filling.

2010-08-30 Thread Chris Radek
On Mon, Aug 30, 2010 at 11:22:21PM -0500, Loren Card wrote: I'm trying to get truetype-tracer to fill text. Check to make sure block delete isn't on. It puts / in front of the fill gcode. Chris -- This SF.net

Re: [Emc-users] Wichita fest

2010-09-01 Thread Chris Radek
On Thu, Aug 26, 2010 at 08:56:51PM -0500, Stuart Stevenson wrote: Ok - I want to schedule the Wichita Fest for Friday 12 Nov 2010 thru however long anyone wants to stay the next week. This will be fun! I will be there Thursday night.

Re: [Emc-users] Two Z-Axes? (IOW, can I motorize the knee)

2010-09-03 Thread Chris Radek
On Fri, Sep 03, 2010 at 12:15:43PM -0500, Igor Chudov wrote: Guys, one more related question. What is the name of the rotary axis parallel to X? A? Yes A is customarily the one that rotates around X What is the name of the rotary axis that is the spindle on a milling machine? Or does a

Re: [Emc-users] tool change

2010-09-04 Thread Chris Radek
On Sat, Sep 04, 2010 at 05:00:17PM -0500, Stuart Stevenson wrote: Gentlemen, I am working on the tool change for the Enshu. The spindle and the axes are working. I need to be able to inhibit the tool change sequence if the Z axis is NOT in tool change position. I have been unable to

Re: [Emc-users] tool change

2010-09-04 Thread Chris Radek
On Sat, Sep 04, 2010 at 09:27:42PM -0500, Stuart Stevenson wrote: The spindle servo amp is a true servo drive. The speed control is +10 volts for max clockwise spindle speed and -10 volts for max counterclockwise spindle speed. It has an encoder on the spindle motor with AB feedback to the

Re: [Emc-users] tool change

2010-09-04 Thread Chris Radek
On Sat, Sep 04, 2010 at 09:46:35PM -0500, Daniel Goller wrote: We peck tap a lot, so I would love to see emc2 do that. It's easy if your spindle encoder has index G33.1 K.05 Z-.1 G33.1 K.05 Z-.2 G33.1 K.05 Z-.3 --

Re: [Emc-users] EMC2 on Ubuntu 10.04 Lucid Lynx LTS - official announcement

2010-09-06 Thread Chris Radek
On Mon, Sep 06, 2010 at 09:40:08PM +0200, Niels Jalling wrote: [ 1316.530579] RTAI[hal]: ERROR, LOCAL APIC CONFIGURED BUT NOT AVAILABLE/ENABLED. Try this: in /etc/default/grub, change GRUB_CMDLINE_LINUX_DEFAULT=quiet splash to GRUB_CMDLINE_LINUX_DEFAULT=quiet splash lapic and then run

Re: [Emc-users] Tool table, setting up offsets with a caliper.

2010-09-07 Thread Chris Radek
On Tue, Sep 07, 2010 at 10:17:01AM -0500, Igor Chudov wrote: Just a question. I use quick change toolholders based on NMTB-30. I am trying to get a tool table started. And I wonder if I can simply measure the total length of the tool, in toolholder, with a caliper, and then subtract say 4

Re: [Emc-users] Y axis cannot calm down after movement (velocity loop in amplifier)

2010-09-11 Thread Chris Radek
On Sat, Sep 11, 2010 at 02:02:32PM -0500, Igor Chudov wrote: after a movement, the Y axis cannot calm down, the Y axis servo just keeps buzzing and vibrating somewhat. Y axis is the heaviest axis on this knee mill. Do you know yet whether it's the velocity or position loop that's

Re: [Emc-users] tool change component

2010-09-11 Thread Chris Radek
On Sat, Sep 11, 2010 at 10:00:24PM +0100, Andy Pugh wrote: On 11 September 2010 21:27, Stuart Stevenson stus...@gmail.com wrote: Comment, suggestions, thoughts I'm baffled. Perhaps it would be clearer coded as a state-machine? Is it too late to suggest using classicladder instead? It's

Re: [Emc-users] tool change number stuff

2010-09-12 Thread Chris Radek
On Sun, Sep 12, 2010 at 08:24:48PM -0500, Stuart Stevenson wrote: I would like to see the iocontrol write the swapped out spindle tool into the tool-prep-number when a tool change is complete. At that time, on this machine, it is prepped and ready for a tool change. iocontrol leaves it at

Re: [Emc-users] tool change number stuff

2010-09-12 Thread Chris Radek
On Sun, Sep 12, 2010 at 10:44:02PM -0500, Stuart Stevenson wrote: In fact I would like to see the prep number change when the tool chain matrix is indexed with the manual button. As soon as the chain has positioned the tool the prep number should be written. It would take another input to

Re: [Emc-users] simple servo amplifier

2010-09-15 Thread Chris Radek
On Wed, Sep 15, 2010 at 08:22:41AM -0500, Stuart Stevenson wrote: pictures are here http://www.mpm1.com:8080/machines/enshu there are pictures of all three axes both positive and negative moves It looks like the axes can't accelerate as fast as you are requesting. It seems like they have

Re: [Emc-users] simple servo amplifier

2010-09-15 Thread Chris Radek
On Wed, Sep 15, 2010 at 09:07:28AM -0500, Chris Radek wrote: It looks like the axes can't accelerate as fast as you are requesting. After looking at it again, this comment is wrong. The problem is that your tuning is completely wrong for velocity mode. With P only, you're commanding

Re: [Emc-users] Video Accuracy

2010-09-15 Thread Chris Radek
On Wed, Sep 15, 2010 at 09:18:04AM -0700, Kirk Wallace wrote: I have a project that requires being able to locate a scribed line very accurately(, worm gear cutting without a rotary table). One way to do this might be to use a microscope with a webcam, then center the line on an electronic

Re: [Emc-users] simple servo amplifier

2010-09-15 Thread Chris Radek
On Wed, Sep 15, 2010 at 12:16:40PM -0500, Stuart Stevenson wrote: Gentlemen, http://www.mpm1.com:8080/machines/enshu/Screenshot.png This is set up with Pgain = 10, FF1 = 1 and scale = 8.89. I have tried Pgain = 0 - got no PID output Pgain = 100 - got a little better

Re: [Emc-users] simple servo amplifier

2010-09-15 Thread Chris Radek
On Wed, Sep 15, 2010 at 12:42:55PM -0500, Jon Elson wrote: The PPMC driver takes a +/- 1.0 value and multiplies it by 10 to give a +/- 10 V output range. Are you sure? I was looking at the pwmgen code earlier instead of the dac code (not sure how these differ) and I *think* pwmgen full scale

Re: [Emc-users] simple servo amplifier

2010-09-15 Thread Chris Radek
On Wed, Sep 15, 2010 at 03:32:31PM -0500, Stuart Stevenson wrote: Hi, I checked the DAC output - it was .889 - I changed the scale from 8.89 to .889 - the response was back to just like before. The config files to match this picture are available The latest picture is;

Re: [Emc-users] simple servo amplifier

2010-09-15 Thread Chris Radek
On Wed, Sep 15, 2010 at 04:08:31PM -0500, Chris Radek wrote: On Wed, Sep 15, 2010 at 03:32:31PM -0500, Stuart Stevenson wrote: Hi, I checked the DAC output - it was .889 - I changed the scale from 8.89 to .889 - the response was back to just like before. The config files to match

Re: [Emc-users] simple servo amplifier

2010-09-15 Thread Chris Radek
On Wed, Sep 15, 2010 at 10:21:03PM -0500, Jon Elson wrote: Now, if you use the OUTPUT_SCALE of 0.889, and PID is limited to +/- 1.0 as the maximum range, it will limit the DAC output to +/-1.12 V. Is this reasoning right? Yes I think so. That's why Stuart S has his pid maxoutput set to

Re: [Emc-users] simple servo amplifier

2010-09-16 Thread Chris Radek
On Thu, Sep 16, 2010 at 08:24:00AM -0500, Stuart Stevenson wrote: Gentlemen, I have another question/problem. The EMC2 will not move the machine faster than 100 ipm. I have changed the max everything to high numbers and still On touchy's right side is a MV button - that is max velocity, you

Re: [Emc-users] simple servo amplifier

2010-09-16 Thread Chris Radek
On Thu, Sep 16, 2010 at 10:14:00AM -0500, Stuart Stevenson wrote: OOOK - I assumed it represented 100% - I hadn't paid any attention to that. Is there a way to set a max limit or set a default? Currently both those features are unimplemented... It might also be nice if it were saved

Re: [Emc-users] Rotary indexers and EMC

2010-09-18 Thread Chris Radek
On Sat, Sep 18, 2010 at 05:38:36PM -0500, Igor Chudov wrote: I have a Haas 5C rotary indexer. It can be programmed (kind of like you program a VCR) to perform a angular motion upon pressing of a button. It also has a facility of a remote button, so that the button can be pressed by the CNC

[Emc-users] 7i48 support

2010-10-02 Thread Chris Radek
On Wed, Sep 29, 2010 at 05:28:47PM +0100, Andy Pugh wrote: On 29 September 2010 17:16, Caner cnr...@gmail.com wrote: Does HostMot2 support 7i48 daughter board? http://git.linuxcnc.org/gitweb?p=emc2.git;a=commit;h=da0d5aa5563de8dc7f8f3a87044bd62e1ade5326 Suggests so (though I am not

Re: [Emc-users] setting tool lengths

2010-10-07 Thread Chris Radek
On Thu, Oct 07, 2010 at 10:53:04PM -0500, Stuart Stevenson wrote: Gentlemen, I have asked this before but with the EMC2 machines breeding in my shop I want to get this implemented. I want to have a variable (in the .var file?) that will allow me to set positive tool lengths using a tool

Re: [Emc-users] setting tool lengths

2010-10-08 Thread Chris Radek
On Thu, Oct 07, 2010 at 11:18:23PM -0500, Chris Radek wrote: maybe using G59.3 automatically under the covers is good enough. Either way, we'd have to make a new subcommand of G10 L10 Pn (not sure what format? L11?) that does the deed. I added this functionality as G10 L11. This sets

Re: [Emc-users] setting tool lengths

2010-10-08 Thread Chris Radek
On Fri, Oct 08, 2010 at 04:22:40PM -0500, Stuart Stevenson wrote: wow - that works good - thanks what took so long? :) Fixing the existing bug I noticed while testing the new feature... Do you think this is an OK solution to your problem (once we make the GUIs use it?) I'm pretty sure it

Re: [Emc-users] Converting to EMC2

2010-10-11 Thread Chris Radek
On Mon, Oct 11, 2010 at 11:00:30AM -0700, Rudy Munguia wrote: Anyway, I have read that EMC2 adheres really closely to the original NIST rs274ngc standard, so I would like to take advantage of subroutines so my files aren't so large ( and time consuming). I thought using O, O1, O2, etc I

Re: [Emc-users] tuning question

2010-10-11 Thread Chris Radek
Stuart, long ago when we figured out how to set the scaling, you wrote this: On Wed, Sep 15, 2010 at 03:32:31PM -0500, Stuart Stevenson wrote: Hi, I checked the DAC output - it was .889 - I changed the scale from 8.89 to .889 - the response was back to just like before. The config files

Re: [Emc-users] tuning question

2010-10-12 Thread Chris Radek
On Mon, Oct 11, 2010 at 05:18:14PM -0500, Stuart Stevenson wrote: no regression http://www.mpm1.com:8080/machines/Screenshot1.png http://www.mpm1.com:8080/machines/Screenshot2.png http://www.mpm1.com:8080/machines/Screenshot3.png http://www.mpm1.com:8080/machines/Screenshot4.png The

Re: [Emc-users] tuning question

2010-10-12 Thread Chris Radek
On Tue, Oct 12, 2010 at 08:20:59AM -0500, Stuart Stevenson wrote: that tweak is very slight - I have been putting a little twist pressure on the pot and can only get it to jump from one side of zero to the other - the point of diminishing returns is looming close - it is possible I may have to

Re: [Emc-users] Possible Bug with Pluto-Step???

2010-10-15 Thread Chris Radek
On Fri, Oct 15, 2010 at 01:29:13PM +0100, S Goldsmith wrote: Hello All, I have reposted the below as I did not receive an email when I first posted this message to the EMC mailing list on the 2/10/10. Cheers, SRG Hi S, The pluto-step author says it worked for him to run a 3 axis

Re: [Emc-users] fest

2010-10-26 Thread Chris Radek
On Mon, Oct 25, 2010 at 07:36:48PM -0500, Stuart Stevenson wrote: Gentlemen, Fest is starting Friday 12-Nov-2010 - two weeks from this coming Friday. I'll be there Thursday night - bringing several projects (EMC related and not) - can't wait. Thanks for hosting again! Chris

Re: [Emc-users] Dahlih

2010-10-27 Thread Chris Radek
On Wed, Oct 27, 2010 at 10:00:55PM -0500, Stuart Stevenson wrote: It seemed to have skipped the G2/G3 and moved in a straight line from the start point of the radius to the end point of the radius I believe this behavior was fixed in Dec 08 and/or Jan 09. The commits are

Re: [Emc-users] scale/encoder

2010-10-29 Thread Chris Radek
On Fri, Oct 29, 2010 at 11:58:10AM -0500, Stuart Stevenson wrote: Gentlemen, I have a manual CMM with scales. The display box is very old and almost functional. I would like to replace it with EMC2. Simple enough except for the scale feedback. The scale feedback is four sine waves at 0, 90,

Re: [Emc-users] scale/encoder

2010-10-29 Thread Chris Radek
On Fri, Oct 29, 2010 at 06:13:48PM +0100, Andy Pugh wrote: On 29 October 2010 17:58, Stuart Stevenson stus...@gmail.com wrote: ?Is there a chip or reasonable board I can use to change the sine waves to pulse or quadrature? I suspect that the Pico Resolver converter might work I'm pretty

Re: [Emc-users] scale/encoder

2010-10-29 Thread Chris Radek
On Fri, Oct 29, 2010 at 02:54:19PM -0500, Stuart Stevenson wrote: Yes the scales are optical as you describe. I changed the bulbs and set the gap and angle for the greatest signal strength. I have no idea of the basic resolution. That is what I am trying to find out at this time. Have you

Re: [Emc-users] Need a little advice on retroing a CHNC Hardinge

2010-11-07 Thread Chris Radek
On Tue, Oct 23, 2001 at 11:10:14PM -0500, Jon Elson wrote: I cannot find an index mechanism or any extra leads that would go to one. The spindle resolver is still in place but can be replaced easily with an encoder with index. The plan is to fit this all up with Pico Systems PWM

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