Aluminium Extrusion Router Build

[Clive S]

Hi Clive, I'm probably missing something very simple, but I just can't visualise how you could only use one sensor to limit travel at either end of the x axis. I didn't mention this explicitly but I'm not having separate limit and home sensors, so I assume that's not possible with one sensor?


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Ok imagine if you rotate the sensor by 90' and put a target at each end so that the sensor slide over it to trigger.

the target would not be a the complete end but a small distance from it to enable the gantry to travel to the end before it trips. This is done at both ends.

I believe Mach can use the sensor to home (then offset the home say 1mm) once homed Mach would then set it to be a limit switch. This way you would only need three sensors with three inputs. (not sure if you have a slaved axis ie two motors)

If you have two motors to slave you would need two home switches one for each side.