During this period, since the industrial application of induction heating power, regardless of the theory of induction heating or induction heating apparatus have been a great development. Induction heating applications are also expanding, increasingly wide range of applications.
Bearing heater using the principle of induction heating of the bearing bushings, gears, couplings, and the diameter of the ring and the annular, cylindrical Part induction heating assembly so that the heat expansion, to meet the needs of the assembly interference, has the following Features:
1, the heating speed, high efficiency. The furnace heated by radiation, convection and conduction three heat transfer to heat parts or rough are the indirect heating, slow heating. Bearing heater induction heating by induction eddy direct heating, energy transmission is in the form of electromagnetic waves carried by outside interference is small, the diffusion of the energy is less, so in short period of time will be able to heat the workpiece to a desired temperature , which has a fast heating, high heating efficiency significantly, which is generally indirect heating can not be achieved.
2, save energy and reduce energy consumption. For example: The workpiece sensor rapid heating are coal, oil or gas heating, not only a serious nuisance, and use of the waste heat is not recovered because most factories, thermal efficiency of about 8% -20%. The use of induction heating, thermal efficiency up to 40%.
3, high quality bearing heater. Usually indirect heating furnace, due to the slow heating, the heating time is long, resulting in severe Part or rough surface decarburization. If the heat is too fast, the surface and center temperature difference is too large, may produce severe thermal stress may cause parts to cracking or deformation. Long heating time may lead to severe grain grown (forging heating), brought to a subsequent heat treatment difficult, or even result in adverse consequences. These problems, some of which are difficult to overcome. Bearing induction heating time and temperature are easy to control, and can ensure that the temperature difference is small, and help to improve the quality and increase yield and profit heating quality can be significantly improved.
4, operation, easy to use, safe and reliable. General fuel stove heating, the heating and cooling process is very long, wasting a lot of energy. The induction hot start and stop the necessary supporting a very short time, and the operation is simple, safe and reliable.
5, easy to implement mechanization and automation. For more difficult to achieve mechanization and automation in general furnace, induction heating is easy to implement. Because of its high heating efficiency of a heat source in the processing parameters of power and frequency of the power supply, so only the mechanization and automation in order to give full play to the high-performance characteristics of this heating method. In recent years, the drive control technology hurtles forward, Automation Instrumentation constantly updated computer control of the induction heating process.
6, no pollution. Bearing heater, induction heating of gear heater heat source is electricity, heating does not produce any harmful gases and pollutants, are environmentally friendly heat source.
7, heating the complex shape of the workpiece.
8, the operating footprint, high production efficiency.
Heating assembly, temperature uniformity, good quality of products manufactured.
Of course, the induction heating shortcomings, such as only suitable for simple shape parts of the rules or rough high-volume production, technical and economic effects of the production of a variety of small quantities of products is relatively low, the electrical circuit of the induction heating device is more complex and require more high level of maintenance.
Can be seen by induction heating compared with other types, with significant features, increasing attention has been paid.
 
 



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