Rolling flat cutter and method of rolling thereby

Details Rolling flat cutter and method of rolling thereby Rolling flat cutter and method of rolling thereby

1987-03-10

1988-11-29

Crane, Daniel C.

Metal deforming

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

During rotation of work

72469, 72 95, B21D 700, B21H 500

Patent

active

047872306

ABSTRACT:
A rolling flat cutter having finishing blades corresponding to corrugation of a product to be obtained by working a tubular or cylindrical workpiece, and a method of rolling by the flat cutter. When the workpiece is worked, a pair of flat cutters are disposed such that the finishing blades face each other, and the cutters are moved rectilinearly in opposite directions perpendicular to a direction in which the finishing blades extend so that the corrugation is formed on a periphery of the workpiece from an end to the other in an axial direction thereof. As to the rolling flat cutter, a flat cutter is used which comprises a rectangular cutter body, a triangular blade base formed as a higher step on one side of a plane of the cutter body along a straight line parallel with a diagonal of the plane, and the finishing blades are formed on the blade base.

REFERENCES:
patent: Re14759 (1919-11-01), Wilcox
patent: 352365 (1886-11-01), Simonds
patent: 1907684 (1933-05-01), Thomson
patent: 3015243 (1962-01-01), Drader
patent: 3214951 (1965-11-01), McCardell
patent: 3453851 (1969-07-01), Morse
patent: 3872699 (1975-03-01), Blue
patent: 4028922 (1977-06-01), Killop
patent: 4646549 (1987-03-01), Saito et al.

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