Connecting rod fracture machine

Details Connecting rod fracture machine Connecting rod fracture machine

1987-08-17

1988-09-06

Yost, Frank T.

Severing by tearing or breaking

Breaking or tearing apparatus

Combined with preliminary weakener or with nonbreaking cutter

291565A, 225 935, 225100, 225103, B23P 1702

Patent

active

047686944

ABSTRACT:
A connecting rod fracture machine for fracture separating the caps and bodies of integrally formed connecting rod workpieces includes a cryogenic cooling station for embrittling the large ends, a fracture station for fracture separation of the embrittled cap and body portions, a warming station for returning fractured assemblies to ambient temperature and transfer mechanism for moving the workpieces between stations. The fracture station includes separable pilots for receiving the large end bores of the pieces to be fractured, an impact separation ram for rapidly separating the pilots to effect fracture separation and anti-rotation clamp means movable with the respective pilots and requiring linear separating motions of the caps from the connecting rod bodies.

REFERENCES:
patent: 2703263 (1955-03-01), Zernov
patent: 3285098 (1966-11-01), Beveridge
patent: 3818577 (1974-06-01), Bailey et al.
patent: 3845895 (1974-11-01), Nakahara
patent: 3994054 (1976-11-01), Cuddon-Fletcher et al.
patent: 4255216 (1981-03-01), Conant et al.
patent: 4569109 (1986-02-01), Fetouh
patent: 4693139 (1987-09-01), Mukai et al.

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