Metal deforming – By use of tool acting during relative rotation between tool... – Tool orbiting or rotating about an axis
Patent
1982-04-15
1984-06-05
Larson, Lowell A.
Metal deforming
By use of tool acting during relative rotation between tool...
Tool orbiting or rotating about an axis
72358, 72370, B21K 2100
Patent
active
044520603
ABSTRACT:
A method of mechanically processing the cylindrical surface of a part having a cylindrical portion. The cylindrical portion is beforehand provided with a supporting portion at its one end, for producing and imparting a tension to the surface to be processed. An axial relative movement is caused between a punch fitted in the cylindrical portion and a die fitted around the same, so that a plastic deformation is caused on the cylindrical surface to form grooves or teeth in the cylindrical surface, while applying a tension to the material of the cylindrical portion presenting the cylindrical surface.
REFERENCES:
patent: 1225915 (1917-05-01), Zerk
patent: 1985833 (1934-12-01), Lampart
Kanamaru Hisanobu
Oku Masaharu
Hitachi , Ltd.
Larson Lowell A.
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