Mostly Printed CNC -Add On- Clean Dual endstops

by Allted, published

Mostly Printed CNC -Add On- Clean Dual endstops by Allted Apr 1, 2018


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This is the cleanest way I have found to mount limit switches for the new auto squaring firmware.

Details here, https://www.v1engineering.com/auto-square-dual-endstops/

You will need 4 stop blocks and roller plates, 2 of each.
Of course get the right size plate for your build.

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How do you know which build you have for the roller plates?

All your parts should have a tiny letter on them, just match the letters.

That auto-square feature is really cool, well done! Also, I like the end stop block on the belt, I hadn't considered that. I have a question about the video on your V1 site: you showed what happens when the gantry gets pushed out of square during homing. How does it perform during normal use? If you're using a router head, cutting ply or something, how does it make sure the material isn't pushing the gantry out of square? Or is it just not intended to be used in that way? Thanks!

It is just to home and lock in as square as possible. During use the steppers are in sync and have no way of detecting a missed step. That is not an issue that really happens with two steppers thopugh. Usually you will break something before a step gets skipped.

Cool, thanks! I was thinking in terms of something like a BlackToe or similar from BuildYourCNC. They use a single motor for the Y, dual shaft output, with roller chain. A setup like this one in that machine might be tricky then, it sounds like? I haven't given it much though yet to be honest. Thanks!

Yeah you can't do aut squaring with a single stepper, it should have some sort of built in hard adjust though that will be just as good.