Monday, February 03, 2025

 

Maus C working with magnetic slide mount

I stuffed up the slide mount on Maus C, and the probe head was colliding with it. So I redesigned the slide mount entirely to use magnets. This allows the slide to move in two dimensions while still holding it securely, thus allowing more of the slide's surface to be used in tests. The old slide jaws can still be fitted if needed, though slight hack needed for probe clearance. Looks like this:

 
Just using a hypodermic needle probe (hey, this is the first run and I'm not going to risk a nice one) I fired up the CNC interface and programmed it to scratch out the 400μm tall μRepRap logo. It came out pretty good.

This indicates that not only is Maus C in a vaguely working state, but that the magnets hold the slide sufficiently well to allow a probe to carve stuff off the slide's surface. Should be plenty robust enough to put drops of resin in place. I did notice a bit of resonance on the Z mount which a bit of strategic foam should dampen down.

Assembly of the thing still needs three arms and a prehensile tail, so I will be looking to make some modifications for captive nuts and so forth. I think the time has come to strip the rude words from the comments and upload to github.

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