1946-01-01

Induction Hardening as Applied to FARM MACHINERY 460193

INDUCTION heating of a metal part is accomplished by placing the part in a magnetic field created by high-frequency, alternating current through an induction coil, thus converting electrical energy into heat and, with enough power supplied, heating the surface regions to the critical temperature in a few seconds.
Although this principle is not new, Mr. Vaughn points out that it is only in recent years that the process has been used to any extent as a production method for various heat-treating operations.
After mentioning some of the problems involved in using high-frequency current, the author gives examples of typical tractor and engine parts that are being successfully induction hardened in production.

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