This is what I plan to do after new year's eve.

This is what I plan to do after new year’s eve.
It should fit quite a number of chinese 4th axis designs.

Originally shared by Marcus Wolschon

I haven’t published any designs in ages.
This is an UNTESTED improvement for many Chinese 4th axis. Adding an induction sensor as a reference for the 0° position.

Design on @YouMagine :

Blog:

I like it. My only question is will it trip the sensor at a different “zero” position when it comes into sensor range if it is rotating in a positive vs negative direction?
Even if so, then seems the simple solution would be to always rotate the same direction into the sensor when zeroing. Looking forward to hearing your progress.

@marmil ​ you need to set the homing direction in MACH3. That’s the same with all sensors on a rotary axis and is supported in most machine control software.

Ah, that makes sense (and makes things easier!) I have never looked into a 4th axis setup, but you are providing good interest and inspiration. Super.