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You could try setting the steppers drivers to give higher amps. Something closer to 3amps that the motors are rated at.
Alternately replace the stepper drivers with better quality units. There are...

Got this sorted eventually. When wiring the x axis one of the wires was labeled incorrectly. Checked x against y and z and picked up the discrepancy with the x wiring.

Subsequently the NVEM v2...

Hi all,

I just installed a Nvem v2 - 6 axis BOB replacing a LPT port BOB. I'm only using 3 axis'.

I have wired up the NVEM, setup Mach 3 and tested.

All axis work except the x axis. ...

Hi,

I'm new here and have just set up my new CNC Router purchased from ebay. When I purchased the only version available was the Parallel port version. No USB stock available. I went looking...