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. | ||
*1 pound of wire used per hour to cut a 1/2" hole in a 3" piece of hard metal. - [https://www.mmsonline.com/articles/the-hidden-cost-of-edm-wire-consumption] | |||
=BOM= | =BOM= | ||
Revision as of 17:19, 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.
- 1 pound of wire used per hour to cut a 1/2" hole in a 3" piece of hard metal. - [2]
BOM
- EDM wire - $40 for 6 lb - [3]