Method and apparatus for heat treating a bushing

Details Method and apparatus for heat treating a bushing Method and apparatus for heat treating a bushing

1996-08-16

1997-12-30

Wyszomierski, George

Metallurgical apparatus

Means treating solid metal

266252, 219635, 219676, H05B 640

Patent

active

057026670

ABSTRACT:
Conventional methods for heat treating cylindrical components such as track bushings involve multiple steps. For example, many such methods consist of carburizing, cooling, induction-hardening, quenching, and tempering. The conventional methods have proved to be costly because different heat treating apparatus are required. This causes duplicate handling and wasted manufacturing time. The present invention provides an apparatus 30 for heat treating a bushing 10 simultaneously from an outer peripheral surface 12 and the pair of inner circumferential surfaces 20.

REFERENCES:
patent: 3560692 (1971-02-01), Briles
patent: 4542272 (1985-09-01), Hubbard

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