1946-01-01

INDUCTION HEAT - TREATMENT of Internal Surfaces as Applied to Automotive Industries 460194

THE use of induction heat-treating, combined with precision quenching, particularly where only a portion of a product requires selective treatment, was one of the major applications of new processes which made possible the use of low-alloy steels and cast iron during the wartime shortage of high-quality materials, according to Mr. Somes.
The application of the process to problems of the automotive industry is discussed by Mr. Somes, who suggests a number of products to which its use can be extended in the developments of the postwar period.
The author also recounts the experiments which went on in the development of the process and its application to the selective heat-treatment, by induction heating, of the Ford passenger-car hub, to provide by bore hardening an integral bearing race. In the course of this presentation, he details the development of the process and its present applications both in the use of static and progressive cylinder heat-treat machines.

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