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When the interference is large; it can be installed by oil bath heating or inductor heating; the heating temperature is 80 °C-100 °C; the maximum can not exceed 120 °C. Together; use nuts or other appropriate means to tighten the bearing ; to avoid the shortening of the width direction of the bearing after cooling, resulting in a gap between the ferrule and the shoulder. /*250*250 was created on 2017/12/25*/ var cpro_id = 'u3171089';
The single-row tapered roller bearing device should be adjusted for the clearance at the end. The clearance value should be determined in detail according to the different operating conditions and the cooperative interference amount. If necessary, the experimental determination should be made. Double row tapered roller bearing And the pump shaft bearing has been adjusted at the factory clearance; the device does not need to be adjusted.
After the bearing device, the rotation test should be carried out; firstly, it should be used for rotating shaft or bearing box; if it is not abnormal; it will be driven without load and low speed by power; then gradually increase the rotation speed and load according to the working condition; and detect noise, oscillation and temperature rise. Found abnormal; should stop the operation and check. After the operation experiment is normal, it can be delivered.
Second, the disassembly of the bearing: after the bearing is removed, it is intended to be used continuously; the appropriate unpacking should be used. The ferrule of the interference cooperation should be opened; the pulling force can only be added to the ferrule; Pass the disassembly force; otherwise the roll and raceway will be crushed.
Third, the bearing environment: according to the application site and operating conditions and environmental conditions to select the standard scale, accuracy; cooperation with the bearing is to ensure the bearing life and feasibility conditions.
1. Application: Tapered roller bearings are suitable for accepting radial and axial combined loads with radial loads; usually used with two sets of bearings; first and foremost for the front and rear wheels of the car, automatic bevel gears, differential Transmission parts such as reducer and reducer.
2, promise speed: in the correct, smooth and outstanding environment; the maximum speed of the bearing is 0. 3-0. 5 times. Normally under normal conditions; the limit speed of 0.2 times is the most suitable.
3, promised skew angle: tapered roller bearings usually do not allow the shaft to be skewed relative to the shell hole; if there is skew; the maximum does not exceed 2'.
4, promise temperature: in the normal load; and the smoothing agent has high temperature resistance; and smooth and plentiful conditions; usually the bearing promises to work at -30 ° C -150 ° C ambient temperature.
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Bearing device common sense (3)
Source: Bearing network time: 2013-09-25