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  • tommylight
  • tommylight's Avatar
02 May 2025 20:29
Replied by tommylight on topic popup entry keyboard, no minus and decimal ?

popup entry keyboard, no minus and decimal ?

Category: Plasmac


Notice the mouse pointer at the "set the subject for all replies", it has to be checked to change the topic tittle for the whole thread.
P.S.
Never mind the tabs... :)
And i will delete this post when Aciera gets to see it.
Thank you.
  • Groovecooper1
  • Groovecooper1's Avatar
02 May 2025 20:22
Need help with Linux 2.5 on a CNC lathe was created by Groovecooper1

Need help with Linux 2.5 on a CNC lathe

Category: General LinuxCNC Questions

Hello! I’m having some issues with my CNC lathe that is operating on Linux 2.5. It’s a wood lathe with 6 axis wheels. Right now it’s not allowing me to ‘Home’ it. If there is somebody in this group that I can speak with I would appreciate the assistance. Thank you! 
  • andypugh
  • andypugh's Avatar
02 May 2025 20:19
Replied by andypugh on topic Tool changer

Tool changer

Category: O Codes (subroutines) and NGCGUI

Sorry for the late reply.

To do it all with G-code you would remove the carousel.comp from the system. It's not really helping if you define the changer as an axis.
(Note that you _could_ define the changer as an "extrajoint" if you really wanted to not have a spurious A axis appear in the GUI, but that's a topic for another day).

Your remapped toolchange routine has access to a set of built-in variables:http://linuxcnc.org/docs/stable/html/gcode/overview.html#gcode:predefined-named-parameters

Your routine could use #<_selected_pocket>

So, your toolchamge.ngc would be something like
G0 Z0 ; retract spindle
G1 F20 A#<_selected_pocket> ; Potentially mutiplied by a scaling factor
G1 F100 Z -65 ; Or whatever the tool change position is
M62  P0 ; clamp the tool
M66 P1 ; Wait for tool-clamped signal
G1 F100 Z0 ; retract spindle 
G1 F20 A0 ; retract tool changer

There is no tool unload in this routine, so it won't work as-is. But is illustrates the idea. It's a lot like the rack-toolchanger example in the sim configs.
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