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A four axis machine with plasma, spindle, rotary axis, Auto Tool Changer (ATC), running on shopmade three phase power. This is a series on how I did it, and what I learned.

Playlist for this series
   • Building the Ultimate CNC Series  



NPN vs PNP
https://automationinsights.blog/2011...




Social media links
  / jeremyfieldingsr  

My website www.jeremyfielding.com

Instagram https://www.instagram.com/jeremy_fiel...

  / jeremy_fielding  



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Notes:

The final project cost was about $11700 which includes the cost of pretty much every nut and bolt, wires etc.


Technical corrections

In the video at 12:06 I show the switches wired in parallel and say they can't be in the "normally closed position and be wired together... that is true only in the parallel condition. If the switches are wired in series the problem is overcome.