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For fun I opened in Estlcam, which handles complex (and maybe not the cleanest drawn, my fault) dxf better than other programs I've tried. [ATTACH]
Made sure your new PSU is set for 120vac mains? switch on the side
I've had this happen it was an intermittent connection on the stepper motor cable, broke 4 small bits before I realized what was going on. Gary
This is totally normal, if you disconnect the motor from the driver it will run smoother. Also some fear back voltage damaging the drivers so not...
Do you hear any stuttering or skipping? are you using the stock workbee profile? Cheers Gary
Optical should work fine as long as you keep them clean, I deal with them everyday in my day job, they don't like dust. Gary
Good choice, the spring loaded ant-backlash isn't suitable for cnc. Any reason you are sticking with nema17?
Pitch of 2 and 4 starts.. that's an 8mm lead also
EMI yes, I run my AC powered router through my chain but all my wire is shielded and drains earthed, no problems.
Hi Scott, how far off is it? sometimes the actual measurement of the bit is different than the listed diameter. Make sure you don't have any...
Would probably need to go with servo motors for that speed, with any hope of precision. Gary
Pine is very bad in this regard, maple or poplar will be much better, also if just going to paint MDF works great. In the pic it looks like you...
For the 4x issue was it the depth of cut vs total depth? taking 4 light passes, this is normal if this was the setting. I don't think I've ever...
Hi David, Looks like intermittent direction changes, one of the four motors wires connection is loose Gary
Sometimes the brushes for the dust shoe are causing significant lift when the machine changes direction. Gary
Contact the parts store and let them know the issue, if they are just a bit tight you can use a drill and cycle a bunch back and forth to loosen...
Use 1600 microstep, this is most common, or 3200 at the most, they should all be set the same for ease of tuning. So now you have both motors...
Check the 120-220ac switch on the side of the power supply Cheers Gary
Without the 0.5mm spacer the dual belt will be loose, this might be part of your issue. Many people use a double sided tape with the required...
Maybe tighter still use a clamp or a lever, calibrating across a large distance and accept this will never be a pro milling machine will help....