Low Rider 2 Z Endstops
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Z endstop mounts for a LowRider2 CNC machine. Note that this was designed specifically for the "J" 25.4mm tube version…
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Z endstop mounts for a LowRider2 CNC machine. Note that this was designed specifically for the "J" 25.4mm tube version of the LowRider 2, and also for 0.065" wall tube, as the Z tube ends are supposed to fit inside the tube.
I designed these to mount to the lower Z tube holders, using the existing 5/16" bolt. No additional holes or mounts needed. This design assumes that you'll be homing the machine to Z Max, and using a touchplate to set your zero point.
You will need:
- 2 limit switches with 9.5mm spacing for the mounting holes, plus wiring
- 4 2.5mm X 10mm screws to mount the switches
- 2 #6-32 screws to hold the plungers, 1/2" length should be more than enough
- 2 #8 wood or sheet metal screws, 1/2" length or longer to secure the Z tube ends to the tube
- 2 zip ties to relieve strain on the wiring
Print 2 each of the Z Tube ends and plungers, and 1 each of the switch holders. The switch holders should mount tightly to the lower Z tube guides on the LowRider2. They will require that you have about 3mm of extra space. I have the kit from V1 engineering for hardware, and Y plates made from 1/2" MDF, and there was enough.
If you can set the switch offsets in firmware, you may not need the plungers or the #6-32 screws, as the switch can be activated directly against the Z tube ends. You can probably even make small adjustments to the homing height by moving the tube ends.
Print Settings
Printer:
Self built
Rafts:
No
Supports:
No
Resolution:
0.33333mm
Infill:
20
Filament:
Duramic PETG
Black
Notes:
Print settings shouldn't matter much. A coarse layer height is OK. These parts shouldn't take too much mechanical strain.
I printed 3 layers/,mm, 2 walls 20% infill.How I Designed This
I used TinkerCAD to design this, taking the .STL for the Z tube holder and subtracting it from a block to make a form-fitting shape to keep the switch holders from rotating while being held by only the single bolt. I left enough room for the switch so that it should fit wiring for most of the 9.5mm spaced limit switches that I've seen. The bottom of the Z tube cap is 2mm thick, so should be fairly flexible if you crash into it.
This should be easily printable with no supports.
Category: Machine Tools