LowRider2 Z Endstops to Home Up
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Scaled up to fit 25.4mm pipe and added 1.5mm thickness to the bottom side with a 1.5mm fillet around the base perimeter.
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I remixed TheMaxx's remix:
https://www.printables.com/model/43716-lowrider2-z-end-stop
of rreinier's Z axis tube bracket.
https://www.thingiverse.com/thing:3323447
I modified TheMaxx's .stl by scaling to 101.6% in all axes to fit 25.4mm tubes and also added 1.5mm of additional thickness to the bottom that has a 1.5mm fillet on the bottom as well to match the top. I used a M4x16mm screw and M4 locknut to secure on the Z tube approximately near the bottom of the leadscrew.
The intention is that a bracket on one tube on each side of the lowrider2 is angled out to hit a microswitch mounted to the outside of the Y plate when homing up.
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I also added a custom microswitch holder to complement this Z Stop bracket that fits on front face and the underside of the LR2 Y Plate. I designed it to be superglued to my printed Y plate but have the switch replaceable using M2x12 screws although I believe shorter M2x10mm screws should also work. The large flat angled side is the top. I printed it and think it came out well. This should allow the LR2 to Z home up. I used Omron SS-3GL13PT microswitches.
I recommend connecting to the Normally Closed position on the switches which are the outermost terminals on those switches.