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  • 磨床启动电机怎么会响
  • 本站编辑:xghl发布日期:2019-07-27 12:26 浏览次数:
磨床电机响声主要原因及解决方法:风扇叶片变形或者风扇罩凹陷导致摩擦风扇罩发生响声。轴承润滑不良钢珠剥皮出现响声。轴承间隙过大或者端盖与轴承配合间隙大导致定子铁心与转子相互摩擦产生响声。电机带负载能力降低,有时电机长时间使用后,或电机质量不好,带负载能力会降低。这里电机的噪音也会比正常时大。电机共振产生噪音,电机在运行时的某一频段会产生机械共振。这时可以利用变频器的跳频设置方法。
 
解决方法:
 
修复风扇罩或者更换风扇叶片。更换轴承。修复端盖轴承位或者更换端盖。
 
更换电机。
 
设置变频器参数,一般变频器都有“跳频”设置,其作用是:设置电机共振的频率,当变频器运行到此频段时,跳过此段频率,避免电机产生共振。
The main reasons and solutions for grinding machine motor noise are as follows: fan blade deformation or fan housing depression leads to friction fan housing noise. Poor bearing lubrication steel ball peeling noise. Excessive bearing clearance or large end cover and bearing clearance will cause noise caused by mutual friction between stator core and rotor. The load capacity of the motor is reduced, sometimes after the electric power is used for a long time, or the motor quality is not good, the load capacity will be reduced. The motor noise will also be higher than normal. Motor resonance generates noise, and mechanical resonance will be generated at a certain frequency band when the motor is running. The frequency hopping setting method of frequency converter can be used at this time.
 
 
 
Solutions:
 
 
 
Repair fan cover or replace fan blades. Replace the bearing. Repair end cap bearing position or replace end cap.
 
 
 
Replace the motor.
 
 
 
Set the frequency converter parameters. Generally, frequency hopping is set in the frequency converter to set the resonant frequency of the motor. When the frequency converter runs to this frequency band, the frequency will be skipped to avoid the resonance of the motor.
 

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