Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent
1984-03-12
1987-03-03
Crane, Daniel C.
Metal deforming
By use of tool acting during relative rotation between tool...
During rotation of work
72 95, 72469, B21H 100, B21D 1704
Patent
active
046465499
ABSTRACT:
Method and apparatus for rolling a cylindrical blank in pressed contact with shaped rolling or die faces of rolling dies to generate, on the periphery of the blank, plural teeth corresponding to a profile of the die faces of the dies. The blank is rolled bidirectionally on the die faces of the dies, first in one of opposite directions and subsequently in the other direction. The blank is fed along its axis of rolling while it is rolled bidirectionally, to push the same between the dies for axially progressive rolling engagement thereof with the die faces. The rolling dies may be of reciprocating flat type or rotating cylindrical type. The feeding motion of the blank may be temporarily stopped upon a temporary stop of the rolling movements of the blank at the end of a first movement thereof in one of the opposite directions.
REFERENCES:
patent: 2906147 (1959-09-01), Pelphrey
patent: 2937547 (1960-05-01), Moeltzner
patent: 2995964 (1961-08-01), Drader
patent: 3015243 (1962-01-01), Drader
patent: 3043169 (1962-07-01), McCardell
patent: 3204442 (1965-09-01), Wieber
patent: 3677051 (1972-07-01), Schmidt
patent: 4307592 (1981-12-01), Krapfenbauer
patent: 4463588 (1984-08-01), Greis
Hanada Hideto
Hara Hidetoshi
Saito Mituo
Crane Daniel C.
N.H.K. Builder Co., Ltd.
OSG Corporation
OSG Mfg. Co.
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