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Analysis of inspection skills for bearing clearance and rotational flexibility

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The measurement of the radial clearance of the whole set of bearings is not simple; the measuring force causes the ferrule and the rolling body itself and its touch to be elastically deformed; the deformation amount is a multi-element that forms the measurement error; it is measured with the force, the touch condition and the rolling body. The orientation is all related.
Bearing rotation flexibility is usually viewed in a horizontal orientation; usually the inner ring is fixed (or the inner ring is hand-held); the outer ring is turned by hand; the anomalous motion and block appearance can be seen when the bearing rotates. Generally speaking; when the bearing rotates The duration is long; the suspension is slow; the flexibility is good. On the contrary; the rotation time is short; the suspension is abrupt; the flexibility is not good. The bearing layout and scale are different; the rotation flexibility should also have different requirements. Single row radial ball bearings, single row radial thrust ball bearings; because of the touch area between the rolling body and the ferrule. 庑┲岢行捅冉锨峥欤捅冉锨峥欤欢蛐 蛐 蛐 屯 屯 屯 鲎 鲎 鲎 鲎 鲎 鲎 鲎 鲎龆逵牍龅 哟ッ婊 哟ッ婊 哟ッ婊 哟ッ婊 哟ッ婊 馊 馊 亓 亓 亓 亓 亓 纸 馊 馊 馊 馊 亓 亓 亓 亓 浼 浼 浼 浼 浼 浼 浼 浼 浼 浼 浼 浼 浼 浼 浼 浼 浼 浼For very large bearings; when rotating it; there should be no jamming; and the rotation is usually not viewed.
For tapered bore bearings; the following methods can be used to compensate for the rotational flexibility of the bearing; the specific operation is as follows:
Press the tapered bore bearing into the mandrel until a certain radial preload is applied; under this preload; when a ferrule is changed, the tumbling body should be converted. If the tumbling body is sliding instead of changing; There are too many shortcomings in the shape of the ferrule, or the scale of the tumbling body is not uniform; the rotation flexibility of the bearing is also poor.

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