Electronics DIY blog

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Friday, August 7, 2015

Building a CNC - X and Y axis modifications

I've been working on changing some less well thought/crafted parts.

The way the RM1605 ballscrew thread was mounted/fixed on the X and Y axis was one of them. The fact that I was depending on some rubber pads to align it with the stepper motor shaft was not ideal and was a source of alignment issues.

To fix that, I rotated the BK and BK block by 90ยบ, so it would stand on it's side. These block are 60cm wide (aprox. the same as my NEMA23 stepper motors) and allowed an almost instant misalignment free position.

Here is the new supports welded to the X axis.
New supports

X-axis fully assembled

To be continued...

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