The Dreaded X axis stepper error using UC400ETH and UCCNC !!!

[dazp1976]

What drives are you using.?

4.1Mh isn't bad for nema 34 from that i guess it's 8 wire motor wired in parallel. If it's a 4 wire which are often wired series I'd expect much higher inductance so would question that 4.1 figure.?

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I did wonder that. These ones:
https://www.ebay.co.uk/itm/German-Sh...72.m2749.l2649

https://www.robotics.org.za/85BYGH450D-008

[JAZZCNC]

I did wonder that. These ones:
https://www.ebay.co.uk/itm/German-Sh...72.m2749.l2649

https://www.robotics.org.za/85BYGH450D-008

Think Those 860ma drives are analog version which are junk and will be holding those motors back massively. Replace with digital and you'll get different machine.

Regards the motors it looks like they could be parallel wired version but the datasheet on web site doesnt match the spec so I'd still be suspicious.? All the 4 wire they show have high inductance.!

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