Re: [Emc-users] Plasma Table

2013-09-06 Thread Marius Liebenberg
Jack In this case Google is your friend. There are literally thousands of ideas from guys who have done their own thing. Two things I recommend that you don't do without. 1: You must fit a THC of sorts. Especially if you are going to cut thinner materials. 2: You must fit a water bed for your

Re: [Emc-users] Servo motor watts VS torque?

2013-09-06 Thread Sven Wesley
2013/9/6 Gregg Eshelman g_ala...@yahoo.com On Thu, 9/5/13, Sven Wesley svenne.d...@gmail.com wrote: ... gantry weight around 80-90 kg and is driven by small Nidec servos rated at 80 V (really small). That's not even 200 pounds. The table on this mill is 10x50 - 25.4x127

Re: [Emc-users] Plasma Table

2013-09-06 Thread Viesturs Lācis
2013/9/6 Marius Liebenberg mar...@mastercut.co.za Jack In this case Google is your friend. There are literally thousands of ideas from guys who have done their own thing. Two things I recommend that you don't do without. 1: You must fit a THC of sorts. Especially if you are going to cut

Re: [Emc-users] BeagleBone Image Available

2013-09-06 Thread Gregg Eshelman
On Thu, 9/5/13, Jon Elson el...@pico-systems.com wrote: Subject: Re: [Emc-users] BeagleBone Image Available To: Ron Bean bucketwo...@rbean.users.panix.com, Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net Date: Thursday, September 5, 2013, 8:08 PM Ron Bean wrote: I still

Re: [Emc-users] Plasma Table

2013-09-06 Thread Gregg Eshelman
On Thu, 9/5/13, Jack Coats j...@coats.org wrote: Subject: [Emc-users] Plasma Table To: Enhanced Machine Controller (EMC) Emc-users@lists.sourceforge.net Date: Thursday, September 5, 2013, 8:47 PM Has anyone done a DIY plasma table, or have suggestions I could find out about a DIY version?

Re: [Emc-users] Plasma Table

2013-09-06 Thread John Thornton
Yes, I built my own plasma table. http://s47.photobucket.com/user/johnplctech/library/Plasma%20Cutter?sort=3page=1 In these videos I didn't have a THC http://www.youtube.com/watch?v=e70jdiDm7yc http://www.youtube.com/watch?v=knf3cPrZPrk http://www.youtube.com/watch?v=3o84BzF90JM

[Emc-users] Running simulator as a static

2013-09-06 Thread Sven Wesley
I have a few computers with a live OS (Porteus, great little distro). I've tried to setup up the simulator but even though it looks to me that I have the missing libs installed they are still missing. I want to run a few of these with LinuxCNC for educational and testing purpose. Has someone

Re: [Emc-users] Plasma Table

2013-09-06 Thread Marius Liebenberg
John I take it that you used the Mesa THCAD with your current THC comp? On 2013/09/06 12:55 PM, John Thornton wrote: Yes, I built my own plasma table. http://s47.photobucket.com/user/johnplctech/library/Plasma%20Cutter?sort=3page=1 In these videos I didn't have a THC

Re: [Emc-users] BeagleBone Image Available

2013-09-06 Thread Mark Wendt
On Fri, Sep 6, 2013 at 12:23 PM, Kirk Wallace kwall...@wallacecompany.comwrote: On 09/05/2013 02:31 AM, Mark Wendt wrote: ... snip That's not a LinuxCNC/Axis error, that's an X error. There should be something in the X logs that point to the problem. Look in your home directory for the

Re: [Emc-users] BeagleBone Image Available

2013-09-06 Thread Kirk Wallace
On 09/05/2013 02:31 AM, Mark Wendt wrote: ... snip That's not a LinuxCNC/Axis error, that's an X error. There should be something in the X logs that point to the problem. Look in your home directory for the .xsession-errors file. Should say in there what parameter caused the X window to

Re: [Emc-users] stepgen rate proportional to vector velocity

2013-09-06 Thread andy pugh
On 6 September 2013 16:54, Ralph Stirling ralph.stirl...@wallawalla.edu wrote: I suspect I need to create a stepgen in velocity mode for the syringe, and connect its velocity command to the product of hypot with the three velocity-fb pins and the gain parameter. Yes, that is exactly what I

[Emc-users] stepgen rate proportional to vector velocity

2013-09-06 Thread Ralph Stirling
I am setting up a dispensing application, and would like to drive a stepgen at a rate proportional to the current vector velocity. I recall reading some discussion of this kind of application a year or two ago, but can't find it in the archives. Basically, I have a little Haydon linear stepper

Re: [Emc-users] stepgen rate proportional to vector velocity

2013-09-06 Thread Ralph Stirling
One more question on the way to a solution. I've found references on how to pass hal signals to ngc programs, but not vice versa. If I want to use a parameter from my ngc program in my hal logic, how do I pass it? Will I need to hijack something like spindle speed or can I pass arbitrary

Re: [Emc-users] BeagleBone Image Available

2013-09-06 Thread Kirk Wallace
On 09/06/2013 10:05 AM, Kirk Wallace wrote: On 09/06/2013 09:32 AM, Mark Wendt wrote: ... snip You did say you were running VNC, correct? If so, check post #2 and #4. ... snip I installed tightvnc on the LinuxCNC PC. For fun, I tried running glxgears through VNC and it failed. Xlib:

Re: [Emc-users] BeagleBone Image Available

2013-09-06 Thread Kirk Wallace
On 09/06/2013 09:32 AM, Mark Wendt wrote: ... snip You did say you were running VNC, correct? If so, check post #2 and #4. ... snip I installed tightvnc on the LinuxCNC PC. For fun, I tried running glxgears through VNC and it failed. Xlib: extension GLX missing on display :1.0 Error:

Re: [Emc-users] stepgen rate proportional to vector velocity

2013-09-06 Thread andy pugh
On 6 September 2013 18:33, Ralph Stirling ralph.stirl...@wallawalla.edu wrote: If I want to use a parameter from my ngc program in my hal logic, how do I pass it? http://www.linuxcnc.org/docs/html/gcode/m-code.html#sec:M67-Analog-Output -- atp If you can't fix it, you don't own it.

Re: [Emc-users] Creating Screw Compensation

2013-09-06 Thread Russell Brown
Well that was interesting. I created a, modest, screw compensation file and I'm most impressed by the effect. I added a limit switch for X home in the middle of the table (to get some repeatability of the axis screw position) and did: HOME reset DRO X-Axis G0 X100 take

Re: [Emc-users] Plasma Table

2013-09-06 Thread John Thornton
Correct my current setup is Mesa 5i25, 7i76, THCAD and Gecko 203v's with Nema 23 triple stack steppers. JT On 9/6/2013 9:34 AM, Marius Liebenberg wrote: John I take it that you used the Mesa THCAD with your current THC comp? On 2013/09/06 12:55 PM, John Thornton wrote: Yes, I built my own

Re: [Emc-users] Modbus TCP? Latency?

2013-09-06 Thread Przemek Klosowski
On Mon, Sep 2, 2013 at 1:06 PM, John Morris j...@zultron.com wrote: Best of all is to use a dedicated NIC and crossover cable for each device. Practically all modern network cards have polarity autonegotiation Auto-MDIX. I think this is at hardware level.