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  • fc60
  • fc60
07 May 2025 23:58
Machine stopped in middle of program. was created by fc60

Machine stopped in middle of program.

Category: AXIS

Greetings,

I was machining two parts that I have run before at least 30 times.

First part machined as expected.

The second part got 3/4 through the program and the spindle and axis motors stopped.

Also, the AXIS screen was frozen up. No response to keyboard nor mouse.

I turned off the power and rebooted.

Next I started LinuxCNC 2.5.5. All went well.

Reloaded the program, dialed the part back in, and reset Z zero of the cutting tool.

Pressed Cycle Start and the program ran fine.

So, what happened?

Is there an error log/file I can look through to determine the cause of the shut down?

More clues.....

LinuxCNC 2.5.5
Smithy 1240 Milling machine

Cheers,

Dave

 
  • cakeslob
  • cakeslob
07 May 2025 23:43
Replied by cakeslob on topic Remora - ethernet NVEM / EC300 / EC500 cnc board

Remora - ethernet NVEM / EC300 / EC500 cnc board

Category: Computers and Hardware

thanks vp, that will save us a lot of work. we need to archive this shit for the repo or something

darkpheonix - that is good to hear

spyder - this is my WIP remora spindle template (no encoder edition). murphy is also using it. some might be duplicate to what you have now
#########################################################################################
#				Remora  Spindle hal		remora_spindle.hal					
#																						
#		this hal file includes the following											
#	- connecting Remora outputs to LinuxCNC motion spindle.0 enable/direction			
#	- connecting spindle signals to LinuxCNC motion spindle.0 pins						
#	- converting the LinuxCNC motion spindle.0.speed-out-abs to signal with scale		
#	- connecting converted LinuxCNC motion spindle.0.speed-out-abs to Remora PWM		
#																						
#########################################################################################

# conenct LinuxCNC motion spindle.0 on/enable to remora output 01
net spindle-on <= spindle.0.on => 	remora.output.01 
# conenct LinuxCNC motion spindle.0 direction to remora output 02 
net spindle-cw <= spindle.0.forward =>  remora.output.02 

# connect spindle signals to LinuxCNC motion spindle.0
net spindle-cmd-rpm     <= spindle.0.speed-out
net spindle-cmd-rps     <= spindle.0.speed-out-rps
net spindle-cmd-rps-abs <= spindle.0.speed-out-rps-abs
net spindle-at-speed    => spindle.0.at-speed

### Connect and configure spindle PWM/0-10v signal   ###
###########################################################
# 			Spindle PWM 0-100 control
# 	converting the LinuxCNC spindle speed output 
# 	into a useable output signal for our remora pwm component 
#	- for pwm the math is 100/ [MAX SPINDLE RPM] = gain
#			 100/(5000rpm) = .02 , the gain is 0.02
###########################################################

# load a linuxCNC scale module, 
loadrt scale names=scale_to_rpm.0,scale-rpm
addf scale-rpm servo-thread
# configure spindle rpm to pwm 
# pwm 100 / max rpm = gain number 
#setp scale-rpm.gain 0.02 # 100/ rpm (5000) = .02
setp scale-rpm.gain [SPINDLE_0]RPM_GAIN # 100/ rpm (5000) = .02
# connect the LinuxCNC motion spindle.0 speed-out-abs to the pwm scale
net spindle-speed-scale spindle.0.speed-out-abs => scale-rpm.in
# connect pwm scale output to remora spindle pwm SP.0
net spindle-speed-abs scale-rpm.out => remora.SP.0


# Manual toolchange

	loadusr -W hal_manualtoolchange
	net tool-change iocontrol.0.tool-change => hal_manualtoolchange.change
	net tool-changed iocontrol.0.tool-changed <= hal_manualtoolchange.changed
	net tool-number iocontrol.0.tool-prep-number => hal_manualtoolchange.number
	net tool-prepare-loopback iocontrol.0.tool-prepare => iocontrol.0.tool-prepared
  • PCW
  • PCW's Avatar
07 May 2025 23:14
Replied by PCW on topic LinuxCNC S-Curve Accelerations

LinuxCNC S-Curve Accelerations

Category: General LinuxCNC Questions

Is there a different repository? Just did a git pull
and got: "already up to date"
  • blazini36
  • blazini36
07 May 2025 22:52
Replied by blazini36 on topic What are the chances of getting this setup working?

What are the chances of getting this setup working?

Category: Pick and Place

Well with my project I got interested in other things and haven't spent much time on it in a while.
Partly the placer head desperately needs updating to modern day equipment. Cable and pulley
for the Z axis is in my opinion a terrible idea but the machine was designed in 1993. We have a few
other PnP machines where I work so this one was more or less an experiment. Plus work just
doesn't seem to ease up.
 

I tend to post and then forget about LinuxCNC for a few weeks lol, forgot to check on this. I just converted the machine I intended to be to a laser cutter.....since I needed one and figured I could actually get that going. I had a belted see-saw Z, which I just stripped to mount the laser to the carriage.  I did redesign it to be a rack and pinion see-saw so that way I could easily swap out the PnP nozzles for and the laser and have a compatible Z. I haven't machined it yet though

It'd be nice if there was a proven simplified PnP setup for LinuxCNC. I'd be alot more inclined to finish the mechanical stuff if I knew software wasn't going to be a long drawn out slug fest. Hopefully somebody beats me to it, if not maybe I'll get there one day lol.

I do find flexGUI to be a pretty easy (ish) way to get a purpose built UI going. I was able to convert the one I was making for my mill into a laser UI fairly simple. I'd definately use that to tackle the PnP thing if I were at it right now.
  • spincycle
  • spincycle
07 May 2025 22:27
Replied by spincycle on topic Bridgeport VMC760 retrofit

Bridgeport VMC760 retrofit

Category: Milling Machines

Whoa, hold up.

Households in Austrailia use 415VAC?!

(little kid): "Hey daddy, what's this? ...kzapp! [kid gets electrocuted]"


 

Haha, I wish.

Some have 415 3ph, but normally we just have 240v single in houses. Most single phase outlets here limited to 15amp, even in industrial settings (high amp ones do exist, but aren't as common as high amp 415 3ph). Hence, I'll need 400v 3ph drives as that's the high amp I have available in the shop.
  • spincycle
  • spincycle
07 May 2025 22:23
Replied by spincycle on topic Bridgeport VMC760 retrofit

Bridgeport VMC760 retrofit

Category: Milling Machines

I assume the procedure is similar for newer drives if running analog?
Yes.

I would tune the velocity/torque in the drive software, then tune position through Linuxcnc.

Yes.

It looks like a few of the modern servo drives I've looked at have encoder outputs. Those will just run back into a Mesa card like the 7I97?
Yes.
3 for 3, nice! :)
New drives can also be controlled by step/dir and also have encoder outputs, and those can again be used in LinuxCNC.
And there are several boards from Mesa that can be used, not just 7i97, a lot of combos there so when you are ready to order stuff, ask here first as we have the Mesa Master with us here, always, in the form of PCW.

Ace! Thanks Tommylight.

I have a 7i96 kicking around from a machine that never got off the ground, but I assume the lack of encoder inputs means I should use a different card.

This machine originally had rapids of 32,000mm/min with 16mm pitch ballscrews - 2000rpm on the axis. Would there be any benefit of analog over step/dir or even ethercat, to maintain such rates of speed and precision?

I just got off a 10hr flight. I took the original Bridgeport machine schematics with me to asses the control side of things. It looks like the Heidenhain output a 24v (sourcing?) signal to a bank of relays to control the solenoids, enables, mag motors, contractors etc. I assume a Mesa card, like the 7i84U could take this role?

It'd be bloody awesome if I could just retain these original distribution/control boards and halve the amount of wiring required!
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