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一、原150吨液压机应用上存在的问题图1所示是重庆蓄电池总厂一车间生产蓄电池盖板等零件的一台液压机的液压系统图。根据加工需要只要求控制主油缸的电磁换向阀工作。由于车间粉尘大、温度高、压机需三班连续工作,且换向频率高等多种因素,使得电磁换向阀在工作时易于卡死,甚至经常烧毁;同时,电磁铁在工作时的冲击、噪声亦很大。该厂反映:当电磁铁烧毁后,维修麻烦,且周期长;既需电工,又需钳工才能完成修理任务。其造成的经济损失不仅在电磁铁的修理费用上,更重要的是停机、停产给生产上造成的损失。
First, the original 150 tons hydraulic machine problems on the application Figure 1 shows a plant in Chongqing Battery Factory production of battery cover and other parts of a hydraulic system hydraulic chart. According to the processing needs only require the control of the main cylinder solenoid valve work. As the workshop dust, high temperature, the press need to work three times in a row, and the higher commutation frequency of multiple factors, making the electromagnetic valve easy to die at work, or even often burned; the same time, the impact of electromagnet at work , The noise is also great. The factory reflects: When the electromagnet burned down, the maintenance troublesome, and the cycle is long; Needs the electrician, also need the fitter to complete the repair task. Its economic losses not only in the electromagnet repair costs, more importantly, downtime, production losses caused by the loss.