Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent
1977-05-27
1979-01-02
Larson, Lowell A.
Metal deforming
By use of tool acting during relative rotation between tool...
During rotation of work
291592, B21H 502
Patent
active
041320980
ABSTRACT:
A back-gear set is coupled between a gear forming roll and a gear blank into the virgin surface of which gear teeth are cold-rolled by forceful engagement of the roll with the blank. The blank and the roll are rotatable about axes which are movable relative to each other for infeed of the roll into the blank during cold-forming of the gear teeth in the blank. The back-gears are defined in cooperation with the infeed drive mechanism so that, at the time of contact of the roll with the blank, the blank and roll rotate at a ratio of angular velocities, and the ratio is not changed during infeed of the roll into the blank during cold-forming of teeth in the blank.
REFERENCES:
patent: 1001799 (1911-08-01), Anderson
patent: 1240915 (1917-09-01), Anderson
patent: 2883894 (1959-04-01), Tsuchikawa
Culver Irven H.
Szymber Oleg
Larson Lowell A.
Southwestern Industries, Inc.
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