Piece working machine for the production of punches and/or matri

Details Piece working machine for the production of punches and/or matri Piece working machine for the production of punches and/or matri

1975-07-07

1976-11-09

Lanham, C.W.

Metal deforming

By use of tool acting during relative rotation between tool...

With oscillation of work-engaging tool surface about work...

72450, 76107R, B21J 902

Patent

active

039902862

ABSTRACT:
Piece working machine for the production of such elements as punches, steel types and the like, including a support member for a matrix having a shaped recess and/or a shaped projection for the piece working, and comprising means for causing a relative oscillatory motion between said matrix and piece in the course of working, whereas the piece is pressed against the matrix, the latter being conveniently shaped with a proper contour to afford the desired working.

REFERENCES:
patent: 858096 (1907-06-01), Murdock
patent: 947760 (1910-01-01), Richards
patent: 2014698 (1935-09-01), Reilly
patent: 2755689 (1956-07-01), Sundback

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