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通过油压装置控制回路技术改造,使电动机实现了自动轮换,解决了电动机因频繁启动造成的交流接触器主触头频繁更换的问题,有效延长了油泵电动机和交流接触器主触头的使用寿命。
The technical transformation of the control circuit of the hydraulic device enables the motor to realize automatic rotation and solves the frequent replacement of the main contact of the AC contactor caused by the frequent start of the motor and effectively prolongs the service life of the main contacts of the oil pump motor and the AC contactor .