Method and apparatus for precision locating of a workpiece in a

Details Method and apparatus for precision locating of a workpiece in a Method and apparatus for precision locating of a workpiece in a

1979-08-01

1981-03-17

Larson, Lowell A.

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

72413, 72461, B21D 706, B21D 1122

Patent

active

042559588

ABSTRACT:
A plurality of die segments are assembled to form a male die for use in a press brake, and the male die assembly is provided with at least a pair of workpiece locating die segments which, at the start of the workpiece forming operation, move into registered engagement with blind recesses formed along an intended forming centerline of the workpiece for precision positioning thereof prior to completion of the workpiece forming operation.

REFERENCES:
patent: Re23939 (1955-02-01), Keller
patent: 766080 (1904-07-01), Warner
patent: 2229917 (1941-01-01), Cunningham
patent: 3474657 (1969-10-01), Spiegel
patent: 3757561 (1973-09-01), Rupert

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