Home » Why Should Part of the Hardening and Tempering Process Use Induction Heating Technology?

Why Should Part of the Hardening and Tempering Process Use Induction Heating Technology?

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To adapt to the working circumstances, items in the industry typically need to be heat-treated. The microstructure, hardness, tensile strength, and yield strength of the component parts are significantly improved after heat treatment. Heat treatment is therefore a crucial step in the manufacturing of parts; annealing, tempering, and hardening are examples of heat treatment techniques applying normalisation, etc., to the manufacturing process in accordance with the demands of various working conditions. What equipment can be utilised for the hardening and tempering processes will be discussed below. Induction heating technology provides several benefits over conventional methods for the hardening and tempering stages of heat treatment.

Because induction heating warms conductive materials quickly, efficiently, and without using flames, it has significant benefits for manufacturing operations.A typical system component is a cooler or cooling unit, an inductive power supply, and an inductor with copper coils.. An electromagnetic alternating magnetic field is created as a result of the current flowing through the coil.

Electric current will flow through the conductive components once they are within the coil. Heat is produced when an electric current interacts with a conductive part’s resistance property.

So what are the advantages of induction heating for steel hardening and tempering?

1.Adaptability | HufPosts

The machines in an induction heating system don’t need preheating or show-down periods; you can start or stop the equipment as needed for production.

The majority of the time, different sizes and grades of material need to be tempered at various tempering temperatures. However, it is challenging to control the temperature of typical equipment. The steel will begin to decarbonize if the bars or tubes are heated at a high temperature for an extended length of time. In contrast, the power output of an induction heating system regulates the different temperature adjustments. This is crucial for obtaining the various grades of bars or tubes that are required.                                             

2.Uniformity of structure and hardness

The following changes to the steel microstructure will occur during the heat treatment process: ferrite, austenite, martensite, and sorbide. However, only when the steel is heated and cooled uniformly can the structure be altered. The hardness, toughness, and tensile strength will be affected if the transformation is not complete, which will prevent the material from meeting the real application requirements. The induction heating system will monitor and regulate each heating temperature, ensuring that the structure is properly changed and maintained in a stable state.

3.Very little upkeep.

In contrast to conventional furnaces, induction heating furnaces only require annual maintenance of the induction heating coil. Other components merely require routine inspection.

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