EDM: Difference between revisions

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*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.
*Voltage is 50-300V. Current for 1" cut below is 35A.
=BOM=
*EDM wire - $40 for 6 lb - [https://www.ebay.com/i/190868306217?chn=ps]
=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.

BOM

  • EDM wire - $40 for 6 lb - [2]

YouTube

  • DIY, cuts 1" stainless at 2 mm/min - [3]. Howto - [4]

Resources

  • There are many EDM DIY builds out there.
  • There's a book on DIY EDM machines - [5]. Youtube - [6]. Books and circuit boards are available - [7]