Probe setup and use
27 Sep 2009 17:25 #876
by cwebs
Probe setup and use was created by cwebs
Not sure where to post this question. Would some one please explain how to set up and use a probe. I have set probe to pin 15 with stepconf. Just want to use probe to Zero X Y Z. Nothen fancy after that. Thanks Carl
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29 Sep 2009 10:43 #885
by BigJohnT
Replied by BigJohnT on topic Re:Probe setup and use
Hi Carl,
After verifying that your probe is hooked up correctly you use the G38 Straight Probe.
www.linuxcnc.org/docview/html//gcode_mai...38.2:-Straight-Probe
I would verify that you have chosen the correct G38 to match your needs by probing in the air and manually tripping the probe circuit.
John
After verifying that your probe is hooked up correctly you use the G38 Straight Probe.
www.linuxcnc.org/docview/html//gcode_mai...38.2:-Straight-Probe
I would verify that you have chosen the correct G38 to match your needs by probing in the air and manually tripping the probe circuit.
John
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29 Sep 2009 10:52 - 29 Sep 2009 11:03 #886
by BigJohnT
Replied by BigJohnT on topic Re:Probe setup and use
This is the code I use to find the top of the material with my plasma torch.
F10 (set my feed rate)
G38.2 Z-2 (the probe move)
G91 (Incremental distance mode so the next move is correct)
G1 Z0.070 (move up to actual Z0 to account for the distance the torch moved to trip switch after contact with the top of the plate)
G90 (Absolute distance mode)
G92 Z0 (I'm using a G92 offset you might want to use something else if you have presettable tools.)
Dang it is cold out in the shop this morning... I'm going back in the house.
John
F10 (set my feed rate)
G38.2 Z-2 (the probe move)
G91 (Incremental distance mode so the next move is correct)
G1 Z0.070 (move up to actual Z0 to account for the distance the torch moved to trip switch after contact with the top of the plate)
G90 (Absolute distance mode)
G92 Z0 (I'm using a G92 offset you might want to use something else if you have presettable tools.)
Dang it is cold out in the shop this morning... I'm going back in the house.
John
Last edit: 29 Sep 2009 11:03 by BigJohnT.
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29 Sep 2009 12:22 #889
by cwebs
Replied by cwebs on topic Re:Probe setup and use
Great and thanks for the info and link to the DOC for gcode. I have not seen that before and it is very helpfull in all aspects of gcode learning. Carl
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