Metal deforming – By use of tool acting during relative rotation between tool... – During rotation of work
Patent
1987-01-16
1989-02-14
Larson, Lowell A.
Metal deforming
By use of tool acting during relative rotation between tool...
During rotation of work
B21B 1904
Patent
active
048038610
ABSTRACT:
A pierced hollow rolled by obliquely positioned conical or barrel-shaped rolls, is held against excessive ovality by driven guide sheaves or disks acting in combination with guide bars downstream for controlling the rate of radial widening of the hollow. Oblique positions of the axes of the disks permits them to be of larger diameter.
REFERENCES:
patent: 2011802 (1935-08-01), Diescher
patent: 2025148 (1935-12-01), Bannister
patent: 2141130 (1938-12-01), Findlater
patent: 2309690 (1943-02-01), Aiken
Kuemmerling Rolf
Mueller Manfred
Nickel Wilhelm
Schirmag Klaus-Peter
Larson Lowell A.
Mannesmann AG
Siegemund Ralf H.
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