Spark erosion electrode wire structure, method of manufacturing

Details Spark erosion electrode wire structure, method of manufacturing Spark erosion electrode wire structure, method of manufacturing

1997-04-11

1999-07-27

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

B23H 106, B23H 708

Patent

active

059285303

ABSTRACT:
A metal or alloy spark erosion electrode wire in accordance with the invention has a surface conversion layer containing chemical compounds of said metal or alloy and at least one polyvalent transition element such as hexavalent chromium. This reduces the risk of the wire breaking in the spark erosion machine, and improves the surface state on the machined part.

REFERENCES:
patent: 4497876 (1985-02-01), Kidon
patent: 4686153 (1987-08-01), Tominaga et al.
patent: 5118572 (1992-06-01), DeRobert et al.
patent: 5407749 (1995-04-01), Bishop
Patent Abstracts of Japan, vol. 011, No. 157, JP 61288932.
Patent Abstracts of Japan, vol. 011, No. 210, JP 62028123.
Patent Abstracts of Japan, vol. 013, No. 282, JP 01078724.
Database WPI, Section Ch, Week 9225, JP 61279433.

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