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Electric Discharge Machining
Electric Discharge Machining. It is simply a spark between a wire and a workpiece. It does super precise cutting and small hole drilling in electrically-conductive materials.


=About=
=About=
*Uses 0.25 mm brass wire for cutting, Mcmaster has 0.5 mm wire - $30/lb - [https://www.mcmaster.com/#8864k71/=1ceszx4]
*Uses 0.25 mm brass wire for cutting, Mcmaster has 0.5 mm wire - $30/lb - [https://www.mcmaster.com/#8864k71/=1ceszx4]
 
*Voltage is 50-300V. Current for 1" cut below is 35A.
=YouTube=
=YouTube=
*DIY, cuts 1" stainless at 2 mm/min - [https://www.youtube.com/watch?v=mJHlV_NICsE]. Howto - [https://www.youtube.com/watch?v=H4KI0SK6V1Y]
*DIY, cuts 1" stainless at 2 mm/min - [https://www.youtube.com/watch?v=mJHlV_NICsE]. Howto - [https://www.youtube.com/watch?v=H4KI0SK6V1Y]

Revision as of 17:15, 14 April 2018

Electric Discharge Machining. It is simply a spark between a wire and a workpiece. It does super precise cutting and small hole drilling in electrically-conductive materials.

About

  • Uses 0.25 mm brass wire for cutting, Mcmaster has 0.5 mm wire - $30/lb - [1]
  • Voltage is 50-300V. Current for 1" cut below is 35A.

YouTube

  • DIY, cuts 1" stainless at 2 mm/min - [2]. Howto - [3]

Resources

  • There are many EDM DIY builds out there.
  • There's a book on DIY EDM machines - [4]. Youtube - [5]. Books and circuit boards are available - [6]