Mandrell for flanging and splining thin-walled members

Details Mandrell for flanging and splining thin-walled members Mandrell for flanging and splining thin-walled members

1987-02-26

1988-07-12

Crane, Daniel C.

Metal deforming

By use of tool acting during relative rotation between tool...

During rotation of work

72106, B21D 914, B21H 502

Patent

active

047561793

ABSTRACT:
A mandrel of the type for making a transmission member (42) from a thin-walled blank. A toothed mandrel (40) is rotatably supported between a pair of dies and received within a sleeve portion (46), flatly engaging an annular end wall (44) of the member. The dies (26, 30; 112, 114; 138, 140) and mandrel (40) have chamfered surfaces (68, 70), respectively, for forming a chamfered flange (66) on the power transmission member (42) as the toothed surfaces of the dies are relatively moved during the splining operation.

REFERENCES:
patent: 744231 (1903-11-01), Puddefoot
patent: 1811058 (1931-06-01), Morgan
patent: 2079513 (1937-05-01), Lapsley
patent: 2308276 (1943-01-01), Gibbs
patent: 2444506 (1948-07-01), Hammer
patent: 2664136 (1953-12-01), Hornberger et al.
patent: 2701484 (1955-02-01), Bedker
patent: 2906147 (1959-09-01), Pelphrey
patent: 3379073 (1968-04-01), Korshak
patent: 3804006 (1974-04-01), Maquignaz et al.
patent: 4289047 (1981-09-01), Hopkins
patent: 4596127 (1986-01-01), Hill

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