On 06/09/2012 02:03 PM, Tux Lab wrote:
Can LinuxCNC be used instead of the original controller?
John
On Sat, Jun 9, 2012 at 1:05 PM, Jon Elsonel...@pico-systems.com wrote:
Dave wrote:
If the CNC control is GE, then the drives and likely GE also.
I know a guy who might have some parts and
I forgot to mention. I think it is late 70's design so it is all TTL
logic. The machine has 500K of memory which must have cost a small
fortune back then. But it came out of a GE Jet engine plant,
so it was GE supplying itself with GE equipment so it is no wonder it
was a Cadillac control.
I just made another discovery. There apparently is not a following error
stopper while G76 is running.
Cutting all air, and after slowing the Z accel and maxvel to 75% of what I
was using 3 days ago, I found that my Z can make a bit over 21 without any
following errors regardless of what jig
I help keep one running.So it is possible. :-)
We replaced all of the capacitors in the power supply after the machine
was purchased. Cheap insurance.
The drives have been trouble free, but the control flakes out once in a
while. Usually it just stops and forgets what it is doing
The
-- Forwarded message --
From: gene heskett ghesk...@wdtv.com
Date: Sat, Jun 9, 2012 at 3:26 PM
Subject: Re: [Emc-users] Parting out a huge CNC turret punch
To: emc-users@lists.sourceforge.net
On Saturday, June 09, 2012 04:19:37 PM Jon Elson did opine:
Dave wrote:
If the CNC
Tux Lab wrote:
Can LinuxCNC be used instead of the original controller?
Uhh, why would we be discussing it here unless that was possible?
Several people have apparently used EMC2 in the past to retrofit
a CNC punch. If you don't mind putting some dwells in the G-code,
it can be used without
On Sat, Jun 9, 2012 at 2:55 PM, Jon Elson el...@pico-systems.com wrote:
Igor Chudov wrote:
How does it work if one needs to punch a hole at the far end of the
table?
Does the head extend/telescope forward?
The classic turret punch has two synchronized wheels that carry the
punches
On 06/09/2012 12:21 PM, sam sokolik wrote:
Your not still running the index through classic ladder - are you? (1ms
refresh rate is going to kill your speed)
On 06/09/2012 02:08 PM, Peter C. Wallace wrote:
On Sat, 9 Jun 2012, Brian May wrote:
Date: Sat, 9 Jun 2012 12:21:08 -0600
From:
Now I understand, thanks John.
Any idea how much this 20 ton (20 ton rated effort) press weighs?
Converting it to EMC and running it to make money would be really fun, if I
could do so.
i
On Sat, Jun 9, 2012 at 10:30 AM, John Kasunich jmkasun...@fastmail.fmwrote:
On Sat, Jun 9, 2012, at
Except that the encoder is not a TTL output encoder but a differential
line driver model encoder:
http://www.automationdirect.com/adc/Shopping/Catalog/Sensors_-z-_Encoders/Encoders/Medium_Duty_Standard_Shaft_%28TRD-N_Series%29/TRD-N1024-RZVWD
TRD-N1024-RZVWD
Brian are you sure this is the
But how would You prepare g-code for it?
Viesturs
2012/6/10 Stuart Stevenson stus...@gmail.com:
Certainly
On Jun 9, 2012 4:05 PM, Tux Lab project.tux...@gmail.com wrote:
Can LinuxCNC be used instead of the original controller?
John
On Sat, Jun 9, 2012 at 1:05 PM, Jon Elson
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
Greetings all,
I am thinking these are the parts I am going to order to get started with a
printer attachment for my CNC machine:
http://store.makerbot.com/extruder-controller-v3-6.html
$99
http://store.makerbot.com/stepstruder-mk7-complete.html
Greetings all,
I am thinking these are the parts I am going to order to get started with a
printer attachment for my CNC machine:
http://store.makerbot.com/extruder-controller-v3-6.html
$99
http://store.makerbot.com/stepstruder-mk7-complete.html
On 10 June 2012 00:11, gene heskett ghesk...@wdtv.com wrote:
despite Z being limited by its maxvel, it kept on trucking,
which of course would have wrecked the thread in progress.
The normal reaction to a f-error problem is to stop the axes and
spindle, which would probably break the tool
On 10 June 2012 12:45, Viesturs Lācis viesturs.la...@gmail.com wrote:
But how would You prepare g-code for it?
I suspect you could remap a new G-code to mean Move to here, go thump
--
atp
If you can't fix it, you don't own it.
http://www.ifixit.com/Manifesto
On 10 June 2012 19:52, gene heskett ghesk...@wdtv.com wrote:
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?
I use a lot of what we call Silver steel in the UK, and I think you
call
Basic beginners answer (on purely theoretical grounds)
s235j2g3 or -g4 equals St37-3n (all according to DIN EN 10025 off course)
This is a bit better than cold rolled and it is fully beruhigt, I think
they mean stress relieved.
it is classed as useable for machineparts, bolts, forged parts,
On 11 June 2012 01:09, Jeshua Lacock jes...@3dtopo.com wrote:
http://www.geckodrive.com/geckodrive-step-motor-drives/g251x.html $89
I think this is overkill for an extruder, which is only ever going to
move relatively slowly.
You would almost certainly be fine with one of the
On Sat, Jun 9, 2012, at 09:02 PM, Igor Chudov wrote:
Thanks! Does it punch hydraulically?
The punch drive varies. The oldest units use a crankshaft and an air
operated clutch that connects it to a big flywheel for one revolution.
Others use hydraulics, and some of the fancy new ones use
EN8DM iirc is a steel we used for clock parts it is a free machining
hardenable steel
another term you may see is leaded steels
but there are a huge number of steels.
choices
Dave Caroline
--
Live Security Virtual
gene heskett wrote:
Hi everybody;
Basic beginners question:
SNIP
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
A Grade 8 bolt will be about
On Monday, June 11, 2012 12:08:24 PM andy pugh did opine:
On 10 June 2012 19:52, gene heskett ghesk...@wdtv.com wrote:
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?
I use a
On 11 June 2012 17:50, andy pugh bodge...@gmail.com wrote:
On 10 June 2012 12:45, Viesturs Lācis viesturs.la...@gmail.com wrote:
But how would You prepare g-code for it?
I suspect you could remap a new G-code to mean Move to here, go thump
--
atp
If you can't fix it, you don't own it.
that is the correct encoder. I just verified the part number on the
encoder itself. It was working for measuring RPM with the jumper in the
TTL position (Where it has been the whole time). I just moved it to the
Differential position and it still measures rpm fine. But, the index is
still not
If you're going to get any kind of Gecko for this application get a
G540 - handles all your axes at once (except the second head).
But that is also a 15V part IIRC. But that's ok - the only reason the
Makerbot uses a PC power supply is because they are dirt cheap and TUV
certified. You can use
On 11 June 2012 17:11, gene heskett ghesk...@wdtv.com wrote:
Other than they centerless grind it for a precise size surface when they
call it drill rod, which doubles the $$ asking
That can be an advantage, sometimes.
Another reason I like it is that I can buy it on a saturday morning
within
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.
Do you have it wired up as TTL?
John
On 6/11/2012 11:44 AM, Brian May wrote:
that is the correct encoder. I just verified the part number on the
encoder itself. It was working for measuring RPM with the jumper in the
TTL position (Where it has been the whole time). I just moved it to the
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
I just put together one of the mk7 extruders over the weekend. It is a great
choice from my perspective anyway. The gecko driver will work fine. You will
need a 820 ohm and 20 ohm resistor (put them in series) to set the current to
the motor to 840ma. The driver will supply a constant current
On Monday 11 June 2012 02:09:23 Jeshua Lacock wrote:
Oh, can anyone recommend a decent RS485 card that will just work with Ubuntu?
http://www.ftdichip.com/Products/Cables/USBRS485.htm
But I have not tested it.
Joachim
On Sun, 2012-06-10 at 18:09 -0600, Jeshua Lacock wrote:
try the MakerBot extruder controller
My experiences with that thing may save you some heartache confusion:
http://softsolder.com/2011/01/06/thing-o-matic-extruder-controller-power-supply-improvement/
Am 11.06.2012 19:32, schrieb Joachim Franek:
On Monday 11 June 2012 02:09:23 Jeshua Lacock wrote:
Oh, can anyone recommend a decent RS485 card that will just work with Ubuntu?
http://www.ftdichip.com/Products/Cables/USBRS485.htm
But I have not tested it.
Joachim
This board should work
On Mon, 11 Jun 2012 09:46:26 -0700, you wrote:
I ended up throwing away my cheap Chinese junk stepper drivers because
they kept missing steps when coming out of idle. I run Keling KL-
4030's which are inexpensive and have worked well for me.
Made me laugh..
Keling KL-4030 are cheap Chinese
I believe i have it correct. (actually i hope i do not so i can avoid buying
an encoder...)
I have all the wires going into the correct connection on the mesa board.
The A A0, B B0, Z Z0, +5v and ground
Sent from my iPod
On Jun 11, 2012, at 10:58 AM, John Thornton bjt...@gmail.com wrote:
At $48 per kilo for material, it is on the expensive side, is there a
place for cheaper material?
-- Youda
On Mon, Jun 11, 2012 at 2:55 PM, Steve Blackmore st...@pilotltd.net wrote:
On Mon, 11 Jun 2012 09:46:26 -0700, you wrote:
I ended up throwing away my cheap Chinese junk stepper drivers
On Monday, June 11, 2012 08:12:56 PM andy pugh did opine:
On 10 June 2012 19:52, gene heskett ghesk...@wdtv.com wrote:
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?
I use a
On Monday, June 11, 2012 08:28:52 PM andy pugh did opine:
On 11 June 2012 17:11, gene heskett ghesk...@wdtv.com wrote:
Other than they centerless grind it for a precise size surface when
they call it drill rod, which doubles the $$ asking
That can be an advantage, sometimes.
Another
Differential line driver and Differential when it comes to encoders are
usually one in the same.
TTL and Differential are two entirely different things.
There is only one TTL/Differential jumper per encoder channel on the
7i33 board.
I think AD has a 1 year warranty on those encoders. If it
Are you supplying the 7i33 board with a 5v power source? If so do you
have the jumper on the power jumper in the right position?
On 6/11/2012 7:26 PM, Brian May wrote:
I believe i have it correct. (actually i hope i do not so i can avoid buying
an encoder...)
I have all the wires going
On 12 June 2012 01:33, gene heskett ghesk...@wdtv.com wrote:
Another reason I like it is that I can buy it on a saturday morning
within walking distance of home.
If you are trying to make me jealous, you've succeeded. There was a place
in Fairmont, 40 miles one way up the superslab that
On Jun 11, 2012, at 10:03 AM, andy pugh wrote:
On 11 June 2012 01:09, Jeshua Lacock jes...@3dtopo.com wrote:
http://www.geckodrive.com/geckodrive-step-motor-drives/g251x.html $89
I think this is overkill for an extruder, which is only ever going to
move relatively slowly.
You
On Jun 11, 2012, at 10:46 AM, doug metzler wrote:
If you're going to get any kind of Gecko for this application get a
G540 - handles all your axes at once (except the second head).
Thanks Doug,
I actually have servos for my XYZ. I just want to get one extruder working for
now. But in the
On Jun 11, 2012, at 11:22 AM, mel...@earthlink.net wrote:
I just put together one of the mk7 extruders over the weekend. It is a great
choice from my perspective anyway. The gecko driver will work fine. You will
need a 820 ohm and 20 ohm resistor (put them in series) to set the current to
On Jun 11, 2012, at 11:38 AM, Ed Nisley wrote:
On Sun, 2012-06-10 at 18:09 -0600, Jeshua Lacock wrote:
try the MakerBot extruder controller
My experiences with that thing may save you some heartache confusion:
On Jun 11, 2012, at 5:49 PM, Youda He wrote:
At $48 per kilo for material, it is on the expensive side, is there a
place for cheaper material?
Yes, I just had that on my list because I figured it was worth starting with
known quality (its made by the people that make the extruder,
There's a contest going on for anyone who wants to take on the pellet
to filament conversion:
http://hackaday.com/2012/05/22/win-4-for-squirting-plastic-out-of-a-nozzle/
I have heard that the different providers have their own recipe for
the filament, so it might not be just pure ABS or PLA.
dave wrote:
One of the projects that never quite happened at Galesburg was a cnc
punch with stepper x and y.
That one really would have been easy to do, if somebody had a couple
G201 drives.
2 G201's and a digital output to trip the solenoid valve to fire the punch.
Rotating the turret
Igor Chudov wrote:
Thanks! Does it punch hydraulically?
Modern Strippit and Amada punches are hydraulic, I can't say for the machine
you have just bought. Should be quite easy to tell, though. Does it have a
HUGE flywheel in it? If not, it is almost certainly hydraulic. This
thing
Viesturs Lācis wrote:
But how would You prepare g-code for it?
For me, I'd probably use a text editor, but then I tend to do fairly
simple stuff.
Jon
--
Live Security Virtual Conference
Exclusive live event will
Jeshua re:
Are you using it on your mill, or do you have a dedicated printer for it?
I built my own printer. If you go to http://www.thingiverse.com/DougM
there's a piccie of it in my profile. It was my first foray into
building a machine with a moving the table rather than a moving head
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