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Effective Measures to Reduce the influence of Temperature Vibration on NTN Automobile Bearing life

  • NTN bearings are precision parts, そのため、使用する際には注意が必要です. High performance bearings are used. If they are not used properly, 期待されるパフォーマンス効果を達成できない. したがって, the following matters should be paid attention to when using automobile ベアリング:

Effective Measures to Reduce the influence of Temperature Vibration on NTN Automobile Bearing life

  • Keep the imported bearing and its surrounding environment clean. 目に見えないスマイルダストがベアリングに入っても, それは摩耗を増加させます, vibration and noise of the imported bearing.Effective Measures to Reduce the influence of Temperature Vibration on NTN Automobile Bearing life
  • 使用時・設置時, それは気をつけます. 力ずくで殴ることは許されない, ベアリングをハンマーで直接叩く, and transfer pressure through the rolling body.Effective Measures to Reduce the influence of Temperature Vibration on NTN Automobile Bearing lifeEffective Measures to Reduce the influence of Temperature Vibration on NTN Automobile Bearing life
  • 適切で正確な取り付けツールを使用する, 専用工具を使ってみる, 布や短繊維の使用を避ける.
  • Prevent the corrosion of imported bearings. When taking the automobile bearings directly by hand, 施術前に手汗を十分に洗い流し、上質なミネラルオイルを塗布してください。. Pay special attention to rust prevention in rainy season and summer.Effective Measures to Reduce the influence of Temperature Vibration on NTN Automobile Bearing life
  • 1、 Impact of vibration on bearing.
  • 通常使用時, vibration is very sensitive to the damage of automobile bearing. ピーリング, インデント, 腐食, crack and wear will be reflected in the vibration measurement of NTN bearing. したがって, 特殊なベアリング振動計で振動の大きさを測定可能 (周波数アナライザー, 等), and the specific situation of abnormality can not be inferred through frequency division.
  • 軸受の使用条件やセンサの取付位置により測定値が異なります。. したがって, it is necessary to analyze and compare the measured values of each machine in advance to determine the judgment standard.Effective Measures to Reduce the influence of Temperature Vibration on NTN Automobile Bearing life
Effective Measures to Reduce the influence of Temperature Vibration on NTN Automobile Bearing life
  • According to the different load directions, the stainless steel bearing mainly bears radial load, the bearing can bear both radial load and axial load, and the bearing mainly bears axial load.
  • The bearing load is the radial load acting on the shaft, and FR and FN are the radial loads acting on the bearings at both ends of the shaft respectively. Under the action of radial load, the contact between the bearing rolling element and the inner and outer rings is affected by pulsating cyclic stress, resulting in fatigue pitting corrosion.
  • After the bearing operates for a certain time, the bearing rolling element and the inner and outer ring raceway lose their original shape, the rotation accuracy of the shaft is reduced, the vibration and noise of the machine are increased, and finally the bearing failure is caused.Effective Measures to Reduce the influence of Temperature Vibration on NTN Automobile Bearing life
  • Under the bearing load, FR and FN are the radial load and axial load acting on the shaft respectively, FR and FN are the radial load and axial load acting on the bearing at the left end of the shaft respectively, and fa2 are the radial load and axial load acting on the bearing at the right end of the shaft respectively.
  • Under the action of radial load and axial load, NTN bearing not only produces fatigue pitting corrosion, but also under the action of axial load, one end of the bearing is compressed, and the stainless steel bearing at the other end is relaxed, resulting in wear on the contact surface of bearing elements at the compression end, so the failure of the bearing is accelerated.Effective Measures to Reduce the influence of Temperature Vibration on NTN Automobile Bearing life
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