Accuracy of EDM and Heat Expansion

Carl Sommer shares about the amazing accuracy of electrical discharge machining. Wire EDM can cut with accuracies of +/-.0001". Sommer demonstrates what .0001" is and how heat affects tolerances, and then how accurate wire EDM can machine parts.
Electrical Discharge Machining has revolutionized machining. Things that were once impossible to machine are now being done with EDM. Sommer, president of the largest EDM job shop in North America, has co-authored with his son Steve, a mechanical engineer, Complete EDM Handbook. The handbook is free at their website.

View more information on EDMing:
About Wire EDM:
About Ram/Sinker EDM:
About Small Hole EDM:
EDM Tall and Large Parts:
Learn More—Free Complete EDM Handbook:

is the largest EDM job shop in North America.

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