Bearing heater principle

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Bearing heater principle

Source: Bearing network time: 2013-04-07
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The heating force required to mount the bearing or the annular workpiece of the bearing device is agile with the addition of the bearing scale. Because of the force of the device; the larger bearing is not easily pushed onto the shaft or pushed into the bearing housing. Bearings or housings or ring-shaped workpieces require heating in front of the unit.
The principle of induction heating can compare the induction bearing heater with the transformer; its operation principle is to put a primary coil with a large number of turns and a secondary coil with a small number of turns on the same core. Input and output The voltage ratio is equal to the ratio of the turns of the coil; the energy remains unchanged; thus; the secondary coil is subjected to a large current under low voltage conditions. For the Yangzi East-West induction heater; the bearing is a short-circuited single-turn secondary coil; Passing a large current under conditions of lower communication voltage; therefore, a large amount of heat is generated. The heater itself and the yoke adhere to normal temperature. Because this heating method can induce current; thus the bearing will be magnetized. It is important to Ensure that the bearing is demagnetized in the future; it will not attract metal chips during operation. All induction heaters have active degaussing function.
The temperature difference between the bearing of the heating device and the orientation of the housing means depends on the level of interference cooperation and the bearing scale. Under normal conditions; the temperature of the bearing is higher than the temperature of the shaft 80 to 90 ° C (144 to 162H). However, the heating temperature of the bearing must not exceed 125 °C (257H); because the bearing data will have a metallographic transformation; the diameter or hardness changes. It is necessary to prevent partial overheating; in particular, the bearing cannot be heated by an open flame. Wear protective gloves when using bearings. Use lifting (lifting) machinery to facilitate the device. Push the bearing along the axis to the orientation of the device; keep the bearing intact; push until the cooperation is strong. Yangzi things supply inductive The bearing heater is equipped with a hot plate with adjustable thermostat; it can satisfy the full demand of the device under normal conditions.
Why use an induction bearing heater?
Inductive heating is a leading, fast, and steerable heating method; compared with traditional heating stove heating, oil bath heating, torch heating, soot, oil residue and harmful human health; inductive heating is safe and environmentally friendly Strengths.
Suitable for bearings and other parts. Electric induction heaters are used in a variety of applications. They can be used as heating for annular workpieces such as bearings, gears, mechanical bushings and connectors. It is well known that the correct device can extend the bearing life. Controllable induction heating can Prevent unnecessary hazards and be able to adhere to the original pre-smooth; is the choice of aspirations with sealed bearing devices.
Heating is safe and controllable.
Bearing heater; gear heater; induction disassembler; ring gear heater, etc. are all based on the principle of induction heating.
During the heating process; the numerical control components can supply optimized control; actively select useful power supply; ensure uniform heating and rapid speed; do not require rated process; no blasting occurs during heating; no fading or village appearance Framed. CNC parts can be supplied for a three-year shelf life.
Quality-assured electric induction heaters have proven to be robust; they are equipped with excellent cooling fins; electronic components can be used in succession. Consolidation and ease of use; make heaters safer; suitable for continuous operation in industrial environments.
The advantages of electric induction heaters 1. Consolidated depiction of work in industrial environments,
2. Microelectronic control components prevent overheating and blasting.
3, a common easy to use rotating arm,
4. The electronic components have a three-year shelf life.
5, free repair,
6, suitable for continuous operation,
7, active demagnetization,
8, power active conditioning,
9, the product scale is wide,
10. Satisfied with the needs of the IEC (World Electrotechnical Commission).
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