So why would induction heating technology be used for part hardening and tempering?
Heat-treatment is generally required in the industry to adapt the parts to the operating conditions.Heat treatment enhances the item’s microstructure, hardness, tensile strength, and yield strength.. As a result, heat treatment is a vital process during the component processing process.
Heat treatment can comprise hardening, tempering, annealing, normalising, and other processes that are applied to the manufacturing process based on the working conditions. In this section, we will discuss the equipment that can be used for the hardening and tempering processes. Induction heating technology provides several advantages over traditional methods for the heat treatment process of hardening and tempering.
Because it is a rapid, energy-saving, flameless way of heating conductive materials, induction heating has several advantages for manufacturing processes.Common system components include inductive power supply, inductors with copper coils, and coolers or cooling units. The coil generates an electromagnetic alternating magnetic field when electricity flows through it. When the conductive elements are placed inside the coil, an electric current will flow through them. To generate heat, the electric current is mixed with the resistance characteristic of the conducting portion.
So, what are the benefits of using induction heating for steel hardening and tempering?
The induction heating technology does not require preheating or show-down time for the machines, so you can start or stop the equipment as needed.
Different sizes and grades of material must usually be tempered at different hardening temperatures.However, temperature adjustment on typical machines is difficult.The steel will decarbonize if the bars or tubes are heated at high temperatures for a lengthy period of time. Induction heating systems, on the other hand, achieve varied temperature adjustments that are regulated by power output.This is necessary in order to meet the varying grade standards of various grade bars or tubes.
2.Hardness and structural uniformity
The steel microstructure will alter as a result of heat treatment as follows: sorbide, ferrite-austenite-martensite. However, only the steel receives homogeneous heating and cooling, after which the structure can be modified in a homogeneous manner.If it cannot be totally changed, the hardness, toughness, and tensile strength will be reduced, causing the material to fail to meet the actual application requirementAll heating temperatures in the induction heating system will be monitored and maintained to ensure that the structure is appropriately converted and stable.
3.Very little upkeep
In comparison to typical furnaces, induction heating furnaces only require annual maintenance of the induction heating coil. Other parts merely need to be checked on a regular basis.