Electroerosive process inexpensive alternative to broaching. Hollow brass electrodes, soldered at one end to stainless-steel holding ring, held in grooves in mandrel. These electrodes used to machine grooves electrically in stainless-steel tube three-eights inch (9.5 millimeters) in diameter. Tool used on tubes already in place in equipment.
EDM Electrode for Internal Grooves
NASA Tech Briefs ; 8 , 4
1985-04-01
Miscellaneous
No indication
English