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mach 3 trouble

6K views 25 replies 9 participants last post by  difalkner 
used the shield as a connection
That's not a good idea at all, good that you're going to change it. I guess it depends on how robust the 48v power supply is relative to the current draw of the steppers as to whether it will handle all three steppers. Z typically doesn't run as fast as X and Y so is there a problem with the Z axis as it is now on 36v?
 
I'm attaching the schematic I drew when I designed and built my CNC. Disclaimer - I am not an electrician or engineer but I drew this almost 5 years ago and it worked the first time and is still working, so take this as a guide only.
 

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