Metal deforming – By use of tool acting during relative rotation between tool... – With cutting of work or product
Patent
1996-08-26
1998-02-17
Larson, Lowell A.
Metal deforming
By use of tool acting during relative rotation between tool...
With cutting of work or product
72 83, B21B 2706, B21D 500, B21D 2214
Patent
active
057181403
ABSTRACT:
A method for manufacturing a work-piece which is rotationally symmetrical about an axis is provided wherein the work-piece has a spindle and at least one hollow member connected with the spindle by a hub part extending in radial direction. The method includes the steps of producing a work-piece blank having the rotationally symmetrical spindle and an integral, rotationally symmetrical, radially outwardly extending circumferential flange; mechanically processing the work-piece blank by at least one of boring, turning, milling, pressing, and grinding; and rolling a radially outer part of the flange to form the hollow member and leaving a remainder of the flange unchanged to form the hub. A roller is also provided for radially splitting the flange into three wings. The roller has two axially spaced splitting edges separated by a groove which has a rectangular cross-section.
REFERENCES:
patent: 2379584 (1945-07-01), Litton
patent: 3566503 (1971-03-01), Pacak
patent: 4532786 (1985-08-01), Schaible
patent: 4936129 (1990-06-01), Lipper et al.
Koestermeier Karl-Heinz
Koppel Jurgen
Zanet Mario
Butler Rodney A.
General Motors Corp.
Koppel Jurgen
Larson Lowell A.
Liefeld GmbH & Co.
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