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Induction Heating

Induction Heating. Introduction of induction heating. Induction heating is a process which is used to bond, harden or soften metals or other conductive materials. For many modern manufacturing processes, induction heating offers an attractive combination of speed, consistency and control.

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Induction Heating

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  1. Induction Heating

  2. Introduction of induction heating • Induction heating is a process which is used to bond, harden or soften metals or other conductive materials. For many modern manufacturing processes, induction heating offers an attractive combination of speed, consistency and control. • Induction heating is a non-contact heating process. It uses high frequency electricity to heat materials that are electrically conductive. Since it is non-contact, the heating process does not contaminate the material being heated. It is also very efficient since the heat is actually generated inside the workpiece. This can be contrasted with other heating methods where heat is generated in flame or heating element, which is then applied to the workpiece. For these reasons Induction heating leads itself to some unique applications in industry.

  3. How Induction heating works? • It helps to have a basic understanding of the principles of electricity. When an alternating electrical current is applied to the primary of a transformer, an alternating magnetic field is created. A source of high frequency electricity is used to drive a large alternating current through a coil. This coil is known as the work coil. See the picture opposite.

  4. In a basic induction heating setup shown at right, a solid state RF power supply sends an AC current through an inductor (often a copper coil), and the part to be heated (the workpiece) is placed inside the inductor. The inductor serves as the transformer primary and the part to be heated becomes a short circuit secondary. When a metal part is placed within the inductor and enters the magnetic field, circulating eddy currents are induced within the part. • The passage of current through this coil generates a very intense and rapidly changing magnetic field in the space within the work coil. The workpiece to be heated is placed within this intense alternating magnetic field. • Depending on the nature of the workpiece material, a number of things happen...

  5. Alternative industrial heating method • Flame heating • Resistance heating • Traditional ovens and furnaces

  6. Advantages of induction heating • Optimize consistency • Maximize productivity • Improved product quality • Extended fixture life • Environmentally sound • Reduce energy consumption

  7. About shapet induction machine • Shapet Electric Company having wide experience in the induction field. • Shapet successfully launched induction melting machine, induction casting machine, induction brazing machine, induction hardening machine and much more. • Shapet Electric Company supply induction melting machine to India’s biggest brand Tata Tanishq since long time.

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