On Tue, 15 Feb 2011 16:12:55 -0800, you wrote:
On Tue, 2011-02-15 at 19:55 +0100, Klemen Ozebek wrote:
Dear all,
on the link below you can se my first test of scratch built lathe which runs
by EMC2. Hardware which is used on lathe: CT Unimotor AC servo motors,
Digitax ST AC Drives,
On Wed, Feb 16, 2011 at 04:22:21PM +1000, John L. Craddock wrote:
If someone with the know-how could port the slave functions of RTnet
to something like a NXP LPC1768 see
http://www.littlebirdelectronics.com/products/mbed-%252d-LPC1768-Development-Board.html
then it is possible that a 200us
On 2/16/2011 1:22 AM, John L. Craddock wrote:
-Original Message-
From: Dave [mailto:e...@dc9.tzo.com]
Sent: 16 February 2011 15:26
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Modbus TCP/IP response time [orig:
EMC2 and Ethernet]
On 2/15/2011 10:43 PM, Yi-Shin
Hello, Steve,
I am a shop noobie so please excuse simple questions.
On Wed, Feb 16, 2011 at 5:25 AM, Steve Blackmore st...@pilotltd.net wrote:
25 passes seems high though for that pitch? In 86xx steel I do 5 passes
for 1mm pitch, 10 for 1.5 and 15 for 2mm (all plus 2 spring passes).
What
A little update on this.
I set up a web page with some relevant links and drawings.
http://igor.chudov.com/projects/Bridgeport-Series-II-Interact-2-CNC-Mill/34-Adding-Servo-Control-to-Knee/
On Mon, Feb 14, 2011 at 11:44 AM, dave dengv...@charter.net wrote:
P = gain or stiffness
I = integral ... shoves the axis toward equalibrium
D = differential .. pushes harder as the following error gets larger
FF1 = velocity feedforward
FF2 = accel feedforward
I beg to differ about the
Is there any reason why it would be a bad idea to derive an index
pulse in software? I am thinking about situations where folk are short
of P-port pins but want to tap/thread etc.
You can do lathe threading with one pulse per rev and a single pin,
but I can't help feeling that multiple pulses and
John L. Craddock wrote:
The most common way of establishing real time determinism is to eliminate
the collisions inherent in ethernet. This is done by establising a master /
slave strategy with the master calling the shots in time-slots (TDMA). This
requires an accurate distributed
Rigid tapping will always need two pins to sense direction, but unless
people do multi-pass tapping (and I guess they might, with taper,
second and plug (yikes!)) the index serves only to start the cycle so
should be perfectly safe to derive synthetically.
Which brings up a question, can
On Wed, 2011-02-16 at 09:44 -0600, Igor Chudov wrote:
... snip
http://igor.chudov.com/projects/Bridgeport-Series-II-Interact-2-CNC-Mill/34-Adding-Servo-Control-to-Knee/The
motor is a 3000 RPM, 65V DC motor by Soelma. On it, there is a MI 40 15:1
gearbox by SITI. So, if the DC motor runs at
Very nice reducers!
I was thinking of making a pig roaster in summer.
And now I realize that I could make a CNC pig roaster!
Lessee...
A temp sensor inside then pig and A-D converter
Pig rotation RPM variable speed depending on roasting progress...
A tank of water and a valve to dump water
On Wed, 16 Feb 2011, andy pugh wrote:
Date: Wed, 16 Feb 2011 19:21:01 +0200
From: andy pugh bodge...@gmail.com
Reply-To: Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: [Emc-users] Encoders
I wrote a nice informative email to the original poster but it got bounced.
I am happy to help ... I hope someone will put him in touch with me.
On Feb 14, 2011 12:13 PM, dave dengv...@charter.net wrote:
On Sat, 2011-02-12 at 12:08 -0600, John Thornton wrote:
Those are some odd drives on that
Someone reading on a parport near/above to max speed could miss a
pulse and not know.
Shouldnt be doing that but
Even with a pulse over speed just gives you a drunk thread no error condition.
I cant think how one would set the offsets for a set of
plug/middle/taper taps as they wont be
Honestly, if there are any EMC users within50 miles of sacramento, I need
friends to play with. EMC user map hasn't worked for me in about 2 years. I
am the only linux user I know... simple stuff escapes me sometimes.
I have a lot to give back. I owe it to Radek to help this guy so he doesn't
On Wed, 2011-02-16 at 10:43 -0800, Matthew Ireland wrote:
Honestly, if there are any EMC users within50 miles of sacramento, I need
friends to play with. EMC user map hasn't worked for me in about 2 years. I
am the only linux user I know... simple stuff escapes me sometimes.
... snip
I assumed
On Wed, 2011-02-16 at 10:43 -0800, Matthew Ireland wrote:
Honestly, if there are any EMC users within50 miles of sacramento, I need
friends to play with.
... snip
Maybe we need a Left Coast (USA) Fest?
--
Kirk Wallace
http://www.wallacecompany.com/machine_shop/
On Wednesday 16 February 2011 07:22:21 John L. Craddock wrote:
If someone with
the know-how could port the slave functions of RTnet to something like a
NXP LPC1768 see
http://www.littlebirdelectronics.com/products/mbed-%252d-LPC1768-Developme
nt-Board.html then it is possible that a 200us
On Wed, 16 Feb 2011 09:57:02 -0500, you wrote:
Hello, Steve,
I am a shop noobie so please excuse simple questions.
On Wed, Feb 16, 2011 at 5:25 AM, Steve Blackmore st...@pilotltd.net wrote:
25 passes seems high though for that pitch? In 86xx steel I do 5 passes
for 1mm pitch, 10 for 1.5 and
I need new friends in Chicagoland!
On Wed, Feb 16, 2011 at 1:28 PM, Kirk Wallace
kwall...@wallacecompany.comwrote:
On Wed, 2011-02-16 at 10:43 -0800, Matthew Ireland wrote:
Honestly, if there are any EMC users within50 miles of sacramento, I need
friends to play with.
... snip
Maybe we
On Wed, Feb 16, 2011 at 11:28 AM, Igor Chudov ichu...@gmail.com wrote:
Rigid tapping will always need two pins to sense direction, but unless
people do multi-pass tapping (and I guess they might, with taper,
second and plug (yikes!)) the index serves only to start the cycle so
should be
On Wed, Feb 16, 2011 at 2:04 PM, Stuart Stevenson stus...@gmail.com wrote:
On Wed, Feb 16, 2011 at 11:28 AM, Igor Chudov ichu...@gmail.com wrote:
Rigid tapping will always need two pins to sense direction, but unless
people do multi-pass tapping (and I guess they might, with taper,
On Wed, Feb 16, 2011 at 02:04:45PM -0600, Stuart Stevenson wrote:
that would be tricky - maybe an optical comparator to make sure the helix
is in the proper orientation.
interesting
Stuart
Yes - it would work fine - all you have to do is get the two taps in
the holders oriented the same
On Wed, Feb 16, 2011 at 2:12 PM, Chris Radek ch...@timeguy.com wrote:
On Wed, Feb 16, 2011 at 02:04:45PM -0600, Stuart Stevenson wrote:
that would be tricky - maybe an optical comparator to make sure the helix
is in the proper orientation.
interesting
Stuart
Yes - it would work fine
On Wed, Feb 16, 2011 at 02:21:40PM -0600, Igor Chudov wrote:
Guys, my question was not about re-entering tapped holes. It is about
tapping a hole with a plug tap as one, first and only tapping operation, in
a CNC mill equipped for tapping. Would that work, mechanically?
Wow did we
Wow did we misunderstand.
yes definitely
I don't think it would be very successful to use a bottoming/plug tap
as the first and only tap (whether on a mill or by hand) - if you try
it, let us know!
depends on the material and tap depth and percentage of thread (tap drill
diameter) etc
On 16 February 2011 21:24, Kirk Wallace kwall...@wallacecompany.com wrote:
I assumed the map wasn't working for me because my java is broken, but I
guess I'm not the only one. Another thing I noticed from back when it
It works for me, but it does take a long time to load the pointers.
You are
On 16 February 2011 19:28, Igor Chudov ichu...@gmail.com wrote:
Which brings up a question, can one tap with a plug tap first, on a CNC mill
that is equipped for rigid tapping?
Probably, but one flute of one thread cuts the whole thread. With a
taper tap the work is shared over several teeth
I'm not sure if this can be done but I do have it on my existing mill.
It has servo drives with encoders but it also has encoders on the table. This
obviously gets rid of backlash. (I have to say it is very accurate mill)
Has anyone done something like this ?
Thanks Wallace
What is the best way to have emc find files on a local network server? It
seems only local folders show up in the drop down box. I have mounted on
the desktop a linked drive to find but have to do that every time the
machine starts. I would like not to have to do this.
Doug
Go all the way up to the root folder and down from there. you can type
mount in terminal to see what is mounted where.
On Wed, Feb 16, 2011 at 4:42 PM, Doug d...@archfitters.com wrote:
What is the best way to have emc find files on a local network server? It
seems only local folders show up
Yes, this can be done and Stuart (for one) has done it.
See the wiki Combining Two Feedback Devices On One Axis
http://wiki.linuxcnc.org/cgi-bin/emcinfo.pl?Combining_Two_Feedback_Devices_On_One_Axis
Thanks,
Kim
On 02/16/2011 03:21 PM, Marshland Engineering wrote:
I'm not sure if this can
If there are 2 others in fair oaks, I need to meet them. I have wasted far
too much time trying to work alone.
I have a very good manual shop in my garage, plus enough tooling to rebuild
civilization. Somebody will get quite a boost if they manage to find me.
On Wed, 2011-02-16 at 15:18 -0800, Matthew Ireland wrote:
If there are 2 others in fair oaks, I need to meet them. I have wasted far
too much time trying to work alone.
I have a very good manual shop in my garage, plus enough tooling to rebuild
civilization. Somebody will get quite a boost
On Wed, 16 Feb 2011 23:05:21 +0200, you wrote:
On 16 February 2011 19:28, Igor Chudov ichu...@gmail.com wrote:
Which brings up a question, can one tap with a plug tap first, on a CNC mill
that is equipped for rigid tapping?
Probably, but one flute of one thread cuts the whole thread. With a
The map did not work for me until I started zooming in then the flags
started to work, So you may want to try that
-Original Message-
From: Matthew Ireland [mailto:wyeh...@gmail.com]
Sent: Wednesday, February 16, 2011 1:44 PM
To: Enhanced Machine Controller (EMC)
Subject: Re: [Emc-users]
That's a no. I left it open for over an hour, zoomed in at my neighborhood.
This is not too handy. I don't care about the stupid map, I need to not be
the only corporeal EMC user in my known universe. I have a lot of energy
for this stuff but it is flippin depressing when it only makes my a
On Thu, Feb 17, 2011 at 3:12 AM, Joachim Franek joachim.fra...@pibf.dewrote:
Have a look to:
http://wiki.linuxcnc.org/emcinfo.pl?FPGA
and today I have written
http://wiki.linuxcnc.org/emcinfo.pl?ARM
Joachim
Nice Work !
I'm using EMC2 solely via the telnet interface, so my gcode pane at
the bottom of axis is empty and unused. It would be great to have the
extra space for the plot area. Is there any way to remove/hide this
portion of the interface?
I'm also wondering if there's a way to not show the cyan rapid
On Thu, Feb 17, 2011 at 6:42 AM, Doug d...@archfitters.com wrote:
What is the best way to have emc find files on a local network server? It
seems only local folders show up in the drop down box. I have mounted on
the desktop a linked drive to find but have to do that every time the
Dear EMC users,
I was asked to make the following change in the controller behaviour.
As you know when we want to stop the running program and we push the stop
program button, program stops and
so does spindle from turning. Now the request is: when we stop the program
by pressing the stop
Farzin;
Have you considered using the Pause button (in Axis Display) instead of
Stop.
Also you could retract the tool from the workpiece in the G code before
Stopping
the program.
Hope this helps
Don
On Thu, Feb 17, 2011 at 1:05 AM, Farzin Kamangar
farzin.kaman...@gmail.comwrote:
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