Designing an induction coil for your application Certain coil designs tend to work best with specific applications, and a less than optimal coil-application pairing can result in slow or irregular heating, higher defect rates, and lower quality products. Induction coil design has a major impact on process efficiency and final part quality, and the best coil design for your product largely depends on your application. More about the 5 basics of induction coil design. This transfer of energy is known as the transformer effect or eddy current effect. The current in the workpiece is proportional to the coil’s EMF strength.
The coil’s alternating electromagnetic field (EMF) generates an induced current (eddy current) in the workpiece, which generates heat due to I Squared R losses (core losses). Work coils range in complexity from a simple helical- or solenoid-wound coil (consisting of a number of turns of copper tube wound around a mandrel) to a coil that is precision machined from solid copper and brazed.Ĭoils transfer energy from the power supply to the workpiece by generating an alternating electromagnetic field due to the alternating current flowing in them.
Induction heating coils do not themselves get hot as water flows through them. Induction coils are water-cooled conductors made of copper tubing that is readily formed into the shape of the coil for the induction heating process. The induction coil determines how effectively and efficiently a workpiece is heated. How do you know if your coil design is best for your part and process? Here are some induction coil basics and five tips to optimize your design. Induction coil design can have a major impact on part quality, process efficiency, and manufacturing costs.
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