30 Mar '17, 11am

Endstops That Stay Out of the Way

Endstops That Stay Out of the Way

In the course of building a new delta printer, [thehans] decided he needed his own endstop design that used minimal hardware. Endstops are just switches that get hit when the printer moves at the extreme of an axis, but [thehans] wanted something with a bit of refinement for his BigDelta 3D Printer build. The result is a small unit that cradles a microswitch and needs only a single zip tie that mounts flush, resulting in a super tidy looking piece. In addition, it mounts on the delta’s v-slot rails such that the mount does not take up any of the machine’s range of motion, because the carriage can travel past it. It is a parametric design made in OpenSCAD, so feel free to modify it to accommodate other types of switches. Wheel triggers the endstop directly, and the carriage can ride past the endstop mount. Zip strap mounts flush. Nubs inside the unit mate with the microswit...

Full article: http://hackaday.com/2017/03/30/endstops-that-stay-out-of-...

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