Matters needing attention when using NTN bearings
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Matters needing attention when using NTN bearings
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1; adhere to the bearing and its surrounding health.
Even small dust that cannot be seen by the eyes will have a bad influence on NTN bearings. Therefore, it is necessary to adhere to the surrounding sanitation; so that the dust does not invade the bearings.
2; Carefully applied in the application to give the bearing a strong impact; there will be scars and indentations; the cause of the incident. Severe circumstances; cracks, cracks; so it is necessary to pay attention.
3; Use appropriate operational things to prevent substitution with existing things; it is necessary to use the right things.
4; Pay attention to the rust of the bearing when operating the NTN bearing; the sweat on the hand will become the cause of rust. Pay attention to the operation with clean hands; the best possible to bring gloves.
5. The rules of the scale benchmark are measured by the comparison measurement method for the bearing scale public service; the ruled quantity block or the standard part is used as the scale reference for the comparison measurement; the gauge block needs to conform to the rules of the standard JB/T1078 "quantity block"; It is necessary to match the rules of the competent authority of the manufacturer.
6. The appearance of the measurement of the external appearance of the measurement is necessary to pass the calibration; and has the accuracy and amplification ratio compatible with the measured NTN bearing.
7. The rule of the measurement area is about the inner diameter or the outer diameter of the bearing; the domestic rule is measured within the area where the south end of the ferrule is a maximum chamfer coordinate; and the foreign multi-rule is twice the chamfer on both ends of the ferrule. Measure within the coordinates of the area.
8. The allowable measurement error can in principle allow the measurement error to be less than 10% of the public service.
9. The radius of the probe and the pressure of the gauge are used to reduce the measurement error; it is necessary to be within the range of energy; the pressure of the gauge is measured - the force is measured; and the radius of curvature of the probe is increased.
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