Apparatus for trimming three-dimensional workpieces

Details Apparatus for trimming three-dimensional workpieces Apparatus for trimming three-dimensional workpieces

1977-06-24

1978-08-15

Yost, Frank T.

Cutting

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

Of tool

83417, 83418, 83437, 83454, 83465, 83466, 83519, 83544, 83639, 83914, B26D 512, B26D 542, B26D 702, B26D 1100

Patent

active

041063791

ABSTRACT:
The present trimming apparatus is capable of trimming the margins of three-dimensional workpieces with the aid of strip steel knives which are driven, preferably by pneumatic piston cylinder means in any desired direction. The workpiece such as the dashboard of a car, is held on the outside thereof by a workpiece support which has such a shape and cut-outs that the strip steel knives may be moved through the workpiece support. A counter-holder presses the workpiece against the outer support. In this combination of elements the workpiece may be trimmed from any direction from its outer side inwardly. The trimming tools may be operable in sequence and may also be supported on a carriage which shuttles back and forth between a trimming station and a loading and unloading station. Power savings may be in the order of 90% as compared to the power requirements of conventional stamping tools.

REFERENCES:
patent: 3075573 (1963-01-01), Piazze
patent: 3108349 (1963-10-01), Takacs
patent: 3227022 (1966-01-01), Evans et al.
patent: 3491639 (1970-01-01), Hale et al.
patent: 3581617 (1971-06-01), Lysobey
patent: 3877858 (1975-04-01), Smith
patent: 4002092 (1977-01-01), Smith et al.
patent: 4017012 (1977-04-01), Brock
patent: 4051754 (1977-10-01), Harcuba et al.

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