Summing Z axis on bridgeport
07 Nov 2019 02:27 #149797
by gmouer
Replied by gmouer on topic Summing Z axis on bridgeport
Years back, when I was using Mach, I ran into the same situation. I put a servo on the knee and defined it as a separate axis. I then used custom M6 code to send the tool length offset ONLY to the knee, the quill still handled all the cutting up/down feeds. On toolchange, the knee would lower so that the final move was always up. It worked out extremely well.
If it could be done in Mach, I am sure LCNC can do something similar.
If it could be done in Mach, I am sure LCNC can do something similar.
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07 Nov 2019 12:34 #149844
by andypugh
You could do this in LinuxCNC by having the knee as a W axis and having a W offset for each tool (this could be tweaked with a Z-offset by the toolsetter, if required)
Replied by andypugh on topic Summing Z axis on bridgeport
I put a servo on the knee and defined it as a separate axis. I then used custom M6 code to send the tool length offset ONLY to the knee
You could do this in LinuxCNC by having the knee as a W axis and having a W offset for each tool (this could be tweaked with a Z-offset by the toolsetter, if required)
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