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  • Lcvette
  • Lcvette's Avatar
31 May 2025 00:24
Replied by Lcvette on topic Probe Basic Manual Tool Not Working

Probe Basic Manual Tool Not Working

Category: QtPyVCP

You're missing the main hal file section or at least are not showing it here. Your posting the post gui Hal file above. My image is of the machine.hal or whatever you named your machine. The one from pncconfig or other config builder. Read the words in the docs not just the pictures.. ?
  • kubes
  • kubes
31 May 2025 00:20 - 31 May 2025 00:24
Replied by kubes on topic Probe Basic Manual Tool Not Working

Probe Basic Manual Tool Not Working

Category: QtPyVCP

Yes, I did follow the directions. Sorry, I should have stated that, but I used step #4. I only posted the section to ensure I did not mess that up.  I feel like I missed something very basic.  I can trigger the modal using showhal and setting 'tool-change-request' pin

The directions don't have the tool-request-loopback net, is that needed?

Here is the entire post UI hal

loadrt time
loadrt not

addf time.0 servo-thread
addf not.0 servo-thread

net prog-running not.0.in <= halui.program.is-idle
net prog-paused halui.program.is-paused => time.0.pause
net cycle-timer time.0.start <= not.0.out
net cycle-seconds qtpyvcp.timerseconds.in <= time.0.seconds
net cycle-minutes qtpyvcp.timerminutes.in <= time.0.minutes
net cycle-hours qtpyvcp.timerhours.in <= time.0.hours
# *** Time items required for Probe Basic to run ***

#  ---manual tool change signals---
net tool-change-request     =>  qtpyvcp_manualtoolchange.change
net tool-change-confirmed   <=  qtpyvcp_manualtoolchange.changed
net tool-number             =>  qtpyvcp_manualtoolchange.number

# *** Probe graphic simulation trigger push probe tip ***
# net probe-in  lcec.0.Z.din.1  qtpyvcp.probe-in.out
# net probe-in  <=  qtpyvcp.probe-led.on

# *** Set line below for actual spindle readout from your hal file ***
# net spindle-rpm-filtered scale_to_rpm.out  =>  qtpyvcp.spindle-encoder-rpm.in
# net spindle-speed-fb hy_gt_vfd.speed-fb => qtpyvcp.spindle-encoder-rpm.in

# Status LEDs
net ethercat-link lcec.link-up => qtpyvcp.led-lcec-link-up.on

net ethercat-0-Z-limit-pos lcec.0.Z.limit-pos => qtpyvcp.led-lcec-0-Z-limit-pos.on
net ethercat-0-Z-limit-neg lcec.0.Z.limit-neg => qtpyvcp.led-lcec-0-Z-limit-neg.on
net ethercat-0-Z-din-1 lcec.0.Z.din.1 => qtpyvcp.led-lcec-0-Z-din-1.on
net ethercat-0-Z-din-2 lcec.0.Z.din.2 => qtpyvcp.led-lcec-0-Z-din-2.on
# TODO how to we get the current stage of the HW pin, not the state of the hal pin

net mist-on => qtpyvcp.led-lcec-0-Z-dout-1.on
 
  • proff
  • proff
31 May 2025 00:17
Replied by proff on topic home build cnc cutting fabric machine

home build cnc cutting fabric machine

Category: Plasma & Laser

thank's for any advice / idea / help
  • proff
  • proff
31 May 2025 00:15

home build cnc cutting fabric machine

Category: Plasma & Laser

hello all 
I'm planning to build a fabric laser cutting machine
but as I have not enough space (and money) for buying a real machine and as I need to cut very long part, I've come up with an idea 
I will keep fabric on 2 rollers (1.5 m long) passing from one side on another from a cutting line (Y axis) with a moving laser diode head (X axis) 
if it was so simple I would use a cheap 3D printer / cn machin controler but whatbrings me here is that I need a closed loop position controller 
idea is that roller will be motorised by 2 motors ( left and right ) and will only working by pulling on fabric ( meaning that 2 motors will work in +Y and 2 in -Y) but I can't rely only on steps on motor to move accurately the fabric as depending on roller fabric diameter changing the distance of fabric moving on cutting line 
File Attachment:

on the other hand fabric can also moves on X axis when rolling and unrolling and objective is to use differential of both right and left motors to correct position 
in my idea the close loop in postion control can be supporte by an optical mouse sensor that can track X and Y moves and I can put 2 on each side right and left 
my question is: is linux cnc can be configured to adapt of this strange machine ? 
 
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