Bending matrix and liner

Details Bending matrix and liner Bending matrix and liner

1977-10-12

1979-02-06

Lanham, C. W.

Metal deforming

By relatively movable offset tool-faces

With tool motion in fixed path

B21D 501

Patent

active

041377460

ABSTRACT:
A bending matrix, and in particular a folding matrix of a die bending tool. The inlet edges of the matrix opening are provided with a liner formed from an anti-friction material with a low coefficient of friction, and the base of the matrix opening is formed of a material capable of and intended to absorb the ram pressure.

REFERENCES:
patent: 3302439 (1967-02-01), Chattin
patent: 3914972 (1975-10-01), Gillette

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