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Influence of bearing structure on vibration and noise

The rolling sound is caused by the rolling of the rolling elements in the raceway when the bearing rotates to excite a smooth and continuous noise, which only attracts people's attention when its sound pressure level or tone is extremely large.

2014

11-06

Soft starter working principle and operation characteristics

The starting torque Ma of a three-phase asynchronous motor is directly related to the quadratic of the applied voltage, that is, as long as the voltage on the motor terminals is lowered, these values ​​are affected. The soft start works by controlling the conduction angle of the three opposite parallel thyristors connected in series between the power supply and the controlled motor to raise the terminal voltage of the motor from a preset value to a rated voltage.

2014

11-06

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Chongqing Libo Machinery Manufacturing Co., Ltd. was established in 2000. It mainly produces and manages motorcycle electric starting gear, overrunning clutch, timing sprocket, automobile gear and farming machine gear series products. 

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