Cam shaft manufacturing method and device used therein

Details Cam shaft manufacturing method and device used therein Cam shaft manufacturing method and device used therein

1987-11-24

1989-05-09

Eley, Timothy V.

Metal working

Means to assemble or disassemble

Puller or pusher means, contained force multiplying operator

29523, 294211, 29757, 29760, B21D 3900

Patent

active

048275859

ABSTRACT:
A method and an apparatus for manufacturing cam shafts in which cam members are held in respective rotatable axially aligned rings by holding members connected within the rotatable rings so that a pipe member cam be inserted through respective aligned holes of the cam members. The rings are individually rotatable so as to rotate the cam members by respetive predetermined angles. After a pipe member is inserted in the holes of the individually rotated cam members, a bulging process device seals respective opposite ends of the pipe member and forces a pressurized fluid into the pipe so as to bulge the pipe to fix the pipe in the respective holes, thereby to form the cam shaft.

REFERENCES:
patent: 4597365 (1986-07-01), Madaffe
patent: 4708029 (1987-11-01), Urano
patent: 4738012 (1988-04-01), Hughes et al.

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