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Bearing selection flow chart
Source: Bearing network time: 2014-08-07
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First, grasp the operating conditions of mechanical equipment and bearings, etc.:
1. Mechanical function and layout,
2. Bearing application parts,
3. Bearing load (size, direction),
4, the speed,
5, oscillation, impact load,
6, bearing temperature (ambient temperature, temperature rise),
7, the surrounding environment (corrosive, hygienic, smooth).
Second, select the bearing type and variety:
1, scale constraints,
2, bearing load (large size, direction, oscillation, impact load),
3, the speed,
4, bearing accuracy,
5, rigid,
6, the inner and outer circle promised a partial pain,
7, conflict torque,
8, the need to install and disassemble,
9, bearing prices and conditions in the library.
Third, select the bearing scale:
1, the number of life is required,
2, additional fundamental dynamic / static load,
3. Safety factor,
4, promise speed,
5, promise axial load,
6, promise space.
Fourth, select the bearing accuracy:
1, the axis of public service,
2, the speed,
3. Torque is shaken.
Fifth, select the internal clearance of the bearing:
1. The data and shape of the shaft and bearing housing,
2. Cooperation,
3. The temperature difference between the inner and outer rings,
4, the inner and outer circle promised a partial pain,
5, load,
6, the amount of preload,
7, speed.
Sixth, the selection of cage methods and information:
1, the speed,
2, the noise frequency,
3. Oscillation and shock load,
4, instantaneous load,
5, smooth type and method.
Seven, select smoothing agent, smooth method, sealing method:
1, operating temperature,
2, the speed,
3, smooth type and method,
4, the sealing method,
5, repair and testing.
Eight, select the special bearing method:
1. Operating environment (high/low temperature, vacuum, chemical environment; etc.),
2. The need for high dependence.
Nine, determine the operation method:
1, the device is public service,
2, the device and the opening process.
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