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力士樂(lè )交流230V電磁換向閥4WE6G6X/EW230N9K4

電磁閥故障與排除

　　一、電磁閥通電后不工作

　　檢查電源接線(xiàn)是否不良→重新接線(xiàn)和接插件的連接

　　檢查電源電壓是否在±工作范圍-→調致正常位置范圍

　　線(xiàn)圈是否脫焊→重新焊接

　　線(xiàn)圈短路→更換線(xiàn)圈

　　工作壓差是否不合適→調整壓差→或更換相稱(chēng)的電磁閥

　　流體溫度過(guò)高→更換相稱(chēng)的電磁閥

　　有雜質(zhì)使電磁閥的主閥芯和動(dòng)鐵芯卡死→進(jìn)行清洗，如有密封損壞應更換密封并安裝過(guò)濾器

　　液體粘度太大，頻率太高和壽命已到→更換產(chǎn)品

　　二、電磁閥不能關(guān)閉

　　主閥芯或鐵動(dòng)芯的密封件已損壞→更換密封件

　　流體溫度、粘度是否過(guò)高→更換對口的電磁閥

　　有雜質(zhì)進(jìn)入電磁閥產(chǎn)閥芯或動(dòng)鐵芯→進(jìn)行清洗

　　彈簧壽命已到或變形→更換

　　節流孔平衡孔堵塞→及時(shí)清洗

　　工作頻率太高或壽命已到→改選產(chǎn)品或更新產(chǎn)品

　　三、其它情況

　　內泄漏→檢查密封件是否損壞，彈簧是否裝配不良

　　外泄漏→連接處松動(dòng)或密封件已壞→緊螺絲或更換密封件

　　通電時(shí)有噪聲→頭子上堅固件松動(dòng)，擰緊。電壓波動(dòng)不在允許范圍內，調整好電壓。鐵芯吸合面雜質(zhì)或不平，及時(shí)清洗或更換。

現場(chǎng)快速判斷電磁閥好壞方法

電磁閥（Electromagnetic valve）是用電磁控制的工業(yè)設備,是用來(lái)控制流體的自動(dòng)化基礎元件,屬于執行器,并不限于液壓,氣動(dòng)。用在工業(yè)控制系統中調整介質(zhì)的方向,流量,速度和其他的參數。電磁閥可以配合不同的電路來(lái)實(shí)現預期的控制,而控制的精度和靈活性都能夠保證。電磁閥有很多種,不同的電磁閥在控制系統的不同位置發(fā)揮作用,最常用的是單向閥,安全閥,方向控制閥,速度調節閥等。

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