Electric heating – Metal heating – Cutting or disintegrating
Patent
1986-07-16
1988-06-14
Pellinen, A. D.
Electric heating
Metal heating
Cutting or disintegrating
83926B, 140139, B23H 702, B21F 1100
Patent
active
047513640
ABSTRACT:
Wire cutting apparatus which includes a mechanism for conveying an electrode and cutting device having rotary cutting elements and a tender tool. A post generator is electrically connected to the cutting elements and the counter tool for purposes of supplying power to the spark erosion machine. The cutting elements are electrically insulated with respect to the drive shaft thereof and the service of the counter tool is electrically insulated relative to the mounting support thereof. Additionally, there is provided an electrical connection which constantly forces the rotary cutting elements and the counter tool to the electrical potential of the electrode.
REFERENCES:
patent: 3822374 (1974-07-01), Ullmann et al.
patent: 3912899 (1975-10-01), Lehmann et al.
patent: 4242558 (1980-12-01), Kunze
patent: 4350864 (1982-09-01), Janicke et al.
patent: 4618761 (1986-10-01), Inoue et al.
patent: 4709130 (1987-11-01), Lodetti et al.
Derighetti Rene
Tobler Karl
AG fur Industrielle Elektronik AGIE Losone b. Locarno
Evans Geoffrey S.
Pellinen A. D.
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