Method and apparatus for maintaining the cutting conditions of a

Details Method and apparatus for maintaining the cutting conditions of a Method and apparatus for maintaining the cutting conditions of a

1989-11-22

1991-06-11

Watts, Douglas D.

Cutting

Processes

With preparatory or simultaneous ancillary treatment of work

83 72, 83171, 83346, 83508, 100 93RD, B26D 710, B26F 310, B41F 3300

Patent

active

050222953

ABSTRACT:
There is provided a method and apparatus for maintaining the cutting conditions constant at a rotary punch by bringing the rotary punch to a constant, predetermined temperature and maintaining the rotary punch at that temperature. Tempering elements are included in the rotary punch so as to maintain constant and set the spacing of the cylindrical envelope described by the cutting edge or edges from the opposing tool.

REFERENCES:
patent: 2866392 (1958-12-01), Scarvelis
patent: 3064563 (1962-11-01), Cook
patent: 3186275 (1965-06-01), Obenshain
patent: 3587377 (1971-06-01), Olson et al.
patent: 4148236 (1979-04-01), Holoyen et al.
patent: 4233011 (1980-11-01), Bolender et al.
patent: 4449434 (1984-05-01), Johnson
patent: 4489630 (1984-12-01), Okada et al.
patent: 4527473 (1985-07-01), Littleton
patent: 4768433 (1988-09-01), Boisseuain

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