No short pulleys in my setup. I went direct drive on the motors. I will check the set screws on the couplers though.
Out of curiosity, is there any reason not to use a little dab of locktite on the set screws to avoid things like this in the future?
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gr5 2,224
This is most likely a hardware issue and not a software issue. There was probably a very high acceleration between brim and part. I would mark the 6 pulleys for the Y axis but almost always it is one of the 2 pulleys on the short belt that slipped. Alternatively it could be missed steps and it *is* possible that firmware messed up but very unlikely.
You probably just have a setscrew that has worked its way loose over the years. Tighten the hell out of the motor one and the other one on the short belt. Enough so that the allen wrench twists quite a bit. But don't break your wrench.
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