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Since the beginning of industrial application of induction heating power supply since during this period, both theory and induction heating inductive heating unit has been a great deal of development. Along with the expansion of the field of application of the induction heating and its increasingly wide range of application.
KOYO bearings heater using principle of induction heating the bearing bushings, gears, couplings, ring ring diameter, cylinder-shaped parts of a class of induction heating Assembly, to thermal expansion in order to meet the needs of interference fitting, has the following features:
1, high speed, high efficiency heating. General furnace heating, by radiation, convection and three modes of heat transfer conduction to heat parts or blanks are indirectly heated, heating slowly. KOYO bearing heater, induction heating by direct heating of induction swirl, energy delivery is in the form of electromagnetic waves, so affected by the noise of the outside world, the proliferation of energy less, so in short period of time will allow the workpiece is heated to the desired temperature, thus has a heated striking features of high speed, high heating efficiency, which is generally heated by way of up.
2, saving energy, reducing energy consumption. For example: the induction of rapid heating coal, oil or gas heat, pollution-not only serious, and because most of the plant, waste heat is not being recycled, the thermal efficiency is approximately 8% per cent. The use of induction heating, the thermal efficiency of 40% or more.
3, bearing heater heating of high quality. When heated in a furnace, because of slow heating, heating time, leading parts or rough surface oxidation and decarbonization seriously. If heated too quickly, and over temperature on the surface, parts may have severe thermal stress caused deformation and cracking. Long heating time, can cause serious grain grows up (forging heating), brought difficulties to the subsequent heat treatment or adverse consequences. These problems, some of which are hard to overcome. Bearing induction heating time and temperature control, can guarantee that small difference in temperature, improves the quality, increase yield and profit, quality heating can also be significantly improved.
4, operation, easy to use, safe and reliable. General fuel stove heating, warming and cooling process is long, wasting a large amount of heat. Induction heat required to start and stop time is very short and easy operation, safe and reliable.
5, easy to realize the mechanization and automation. In the furnace to achieve mechanization and automation in general more difficult, and induction heating is easy to implement. Due to its high heating efficiency, heat source parameters are mainly in the processing power and frequency of the power supply, therefore only achieve mechanization and automation can give full play to the heating mode high performance characteristics. Transmission control technology development in recent years, automated instrument constantly updated, computer control of induction heating process have emerged.
6, KOYO bearing heater, induction heating gear heater heat source is electricity, heating will not produce any harmful gases and pollutants belonging to environment-friendly source of heat.
7, complex shape workpiece heated.
8, jobs, covers an area of small, high production efficiency.
Assembly 9, heating, temperature uniformity, good quality of products made.
Of course, induction heating also has disadvantages, such as only suitable for simple rules for mass production of parts or a stock but the economic effect of multi variety and small batch products are relatively lower, induction-heating device of electric circuits is more complex, requires a higher level of maintenance.
Can be seen by the above points, compared with other ways of induction heating, has significant characteristics, due to people's increasing attention.
| Product Model | Inside Diameter | Outside Diameter | Thickness |
| 32926XU NTN | 130 | 180 | 32 |
| 32324U NTN | 120 | 260 | 86 |