Production method of honeycomb die-forming electrical discharge

Details Production method of honeycomb die-forming electrical discharge Production method of honeycomb die-forming electrical discharge

1990-03-15

1991-04-16

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

51325, 51206R, 125 1101, 219 6917, 425464, B23H 900, B23H 104, B29C 4712, B24B 5306

Patent

active

050085093

ABSTRACT:
A method of making a honeycomb die by using an electrode with parallel grooves in an electrical discharge machining process. The parallel grooves in the electrode are formed by a grinding wheel having a reverse tapered shape. The grinding wheel is progressively dressed during cutting of the parallel grooves.

REFERENCES:
patent: 3768344 (1973-10-01), Feldcamp
patent: 3777595 (1973-12-01), Hausermann et al.
patent: 4403131 (1983-09-01), Cunningham et al.
patent: 4571892 (1986-02-01), Brill
patent: 4722819 (1988-02-01), Lundsager
patent: 4811722 (1989-03-01), Brehm et al.

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