Method and apparatus for heat treating camshafts

Details Method and apparatus for heat treating camshafts Method and apparatus for heat treating camshafts

H - Electricity

05

B

327/21

H05B 6/10 (2006.01) C21D 1/10 (2006.01) C21D 9/30 (2006.01) H05B 6/02 (2006.01) H05B 6/40 (2006.01)

Patent

CA 1224251

METHOD AND APPARATUS FOR HEAT TREATING CAMSHAFTS Abstract of the Disclosure A method and apparatus for heat treating camshafts includes a retractable shield positioned between a previously hardened surface and a surface being heat treated. During the induction heating and quenching cycle, a coolant is delivered to the hardened surface to maintain the temperature thereof below the tempering temperature. The shield prevents the coolant from contacting the unhardened surface and interfering with the heating and quenching thereof.

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