- 供应进口SMC微型汽缸，CJ1B4-10SU4

供应进口SMC微型汽缸，CJ1B4-10SU4
2．换向阀故障
 换向阀的故障有：阀不能换向或换向动作缓慢，气体泄漏，电磁先导阀有故障等。
 （1）换向阀不能换向或换向动作缓慢，一般是因润滑不良、弹簧被卡住或损坏、油污或杂质卡住滑动部分等原因引起的。
对此，应先检查油雾器的工作是否正常；润滑油的粘度是否合适。
必要时，应更换润滑油，清洗换向阀的滑动部分，或更换弹簧和换向阀。
 （2）换向阀经长时间使用后易出现阀芯密封圈磨损、阀杆和阀座损伤的现象，导致阀内气体泄漏，阀的动作缓慢或不能正常换向等故障。此时，应更换密封圈、阀杆和阀座，或将换向阀换新。
 （3）若电磁先导阀的进、排气孔被油泥等杂物堵塞，封闭不严，活动铁芯被卡死，电路有故障等，均可导致换向阀不能正常换向。对前3种情况应清洗先导阀及活动铁芯上的油泥和杂质。而电路故障一般又分为控制电路故障和电磁线圈故障两类。在检查电路故障前，应先将换向阀的手动旋钮转动几下，看换向阀在额定的气压下是否能正常换向，若能正常换向，
供应进口SMC微型汽缸，CJ1B4-10SU4
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供应进口SMC微型汽缸，CJ1B4-10SU4