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Induction Hardening

INDUCTION HARDEN SPECIFIED AREAS USING ELECTROMAGNETIC TECHNOLOGY

Induction hardening is a type of surface case hardening surface process that can be used in an isolated zone/area or harden the entire surface of a part. The process uses electromagnetic induction to rapidly heat and then quench specific/entire areas of a metal part. This creates a very hard outer “case” while leaving the inner “core” tough and ductile.

  • close-up of an induction hardening process machine

    • Key Benefits of Induction Hardening

    • Selective Hardening: Unlike other methods that heat the entire part in a furnace, induction hardening allows for the precise hardening of only the areas that need it, such as gear teeth or bearing surfaces.
    • Minimal Distortion: The rapid and localized nature of the heating and cooling process significantly reduces the risk of warping or cracking, which is a common issue with full-part heat treatments.
    • Speed and Efficiency: The process is extremely fast, often taking only seconds to complete, which is ideal for high-volume manufacturing and automation. It is also very energy-efficient because only the workpiece itself is heated.
    • Optimized Core Ductility: While the surface is hard and durable, the inner core of the metal remains tough and flexible. The combination of a hard surface and tough core makes the final product both durable and flexible.

    Metals Engineering is a commercial heat treater founded in 1967 with facilities in De Pere and Green Bay, Wisconsin.

    Contact Us

    Metals Engineering – De Pere
    1883 Commerce Drive
    De Pere, WI 54115
    Phone: 920-339-8590

    Metals Engineering – Green Bay
    1800 South Broadway
    Green Bay, WI 54304

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