Method and apparatus for cutting blocks and panels of cellular p

Details Method and apparatus for cutting blocks and panels of cellular p Method and apparatus for cutting blocks and panels of cellular p

1996-11-21

1999-07-06

Jones, Eugenia

Cutting

With means to control or modify temperature of apparatus or...

Of tool

83 766, 836511, 83870, B26D 300, B26D 710

Patent

active

059185171

ABSTRACT:
An apparatus for cutting any one of blocks and panels of cellular plastics into various shapes. The cellular plastic is held on a stationary platform around which a movable frame is affixed to two slides. The movable frame moves on two horizontal rails to effect cutting in the x-direction. Cutting is done with a hot wire affixed to two slides which move together vertically on vertical rails along the moveable frame to effect cutting in the y-direction. Stepping motors are driven by a computer to provide for displacement of the hot wire. Each motor includes a pinion which is mounted on a shaft directly engaging gear-racks parallel to the rails, to effect cutting of various shapes defined by the equation y=f(x).

REFERENCES:
patent: 4018116 (1977-04-01), Treffner et al.
patent: 4683791 (1987-08-01), Demont
patent: 4683792 (1987-08-01), Demont
patent: 4915000 (1990-04-01), MacFarlane
patent: 5181503 (1993-01-01), Fish et al.

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