Contamination of parts by electrical-discharge machining (EDM) almost completely eliminated by reversing flow of coolant. Flow reversed from usual direction so coolant carries contaminants out through passage in electrode. Coolant for reverse flow is pressurized dichlorodifluoromethane vapor.
Contamination-Free Electrical-Discharge Machining
NASA Tech Briefs ; 11 , 9
1987-10-01
Miscellaneous
No indication
English
Monitor For Electrical-Discharge Machining
NTRS | 1993
|Wire Electrical-Discharge Machining Aid
NTRS | 1984
|Inert-Gas Electrical Discharge Machining
NTRS | 1985
|Electrical Discharge Machining in Production
SAE Technical Papers | 1964
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