Hall Endstop Mounts for Delta Printer
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These are straight-forward endstop holders for Sainsmart Hall endstop sensors. I figured is was time to take them off…
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These are straight-forward endstop holders for Sainsmart Hall endstop sensors. I figured is was time to take them off the shelf and design holders to adapt them to a 2040 aluminum extrusion format for a 1M Delta Printer (https://github.com/electronlove/DeltaSpasm).
The carriage is a remix from Norwegian Creations magnetic ball joint carriage with the addition of a mounting point for magnets (https://www.norwegiancreations.com/2018/01/building-a-large-kossel-delta-printer-pt-7-design-files/)
- Hall endstop holders can be printed at 35% infill (4 bottom and top layers). The carriages should be printed at 100% infill for strength.
- I used a 5/16" drill bit (~ 8mm) to clear out the hole to glue (two-part epoxy) magnets in place. Magnets were purchased from Home Depot (0.3" x 0.11" neodymium magnets) but the width was a bit larger than 0.3" in diameter.
- M3 screws all around for holding the endstops in place. With the magnets, they trigger at ~ 10mm which should be acceptable.
Print Settings
Printer:
Prusa Wilson
Rafts:
No
Supports:
Yes
Resolution:
200 micron
Infill:
35% and 100%
Post-Printing
Preparing the carriage for magnets
The mounting location for 0.3" magnets should be dry fit before gluing in place. I used a 5/16" bit to clean out the hole before gluing the magnets in place with 2-part high-temp epoxy (I had some 5 min epoxy) in the fridge that had sat for a couple of years that was used to glue a bed thermistor in place.
Category: 3D Printers