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技術(shù)文章您的位置:網(wǎng)站首頁(yè) >技術(shù)文章 >氣動(dòng)閥門(mén)密封件故障原因與排除方法

氣動(dòng)閥門(mén)密封件故障原因與排除方法

更新時(shí)間:2022-03-21   點(diǎn)擊次數:1229次

氣動(dòng)閥門(mén)主要故障為動(dòng)作不良、泄露,主要原因在于壓縮空氣中的冷凝水、塵埃、鐵銹、潤滑不良、密封件產(chǎn)品質(zhì)量不合格等因素。如何排除氣動(dòng)閥門(mén)密封件中出現的故障現象,百閥告訴您針對不同的故障原因,列出各種排除方法如下。


一、閥門(mén)密封件不能換向的原因有哪些?


1、潤滑不良,滑動(dòng)阻力和始動(dòng)摩擦力大;


2、密封件運動(dòng)壓縮量大,或膨脹變形;


3、塵?;蛴臀劭ㄓ陂y座上;


4、彈簧密封件損壞或卡??;


5、控制活塞面積偏小,操作力低;


【排除方法】


1.改善潤滑程度;


2.適當降低密封件壓縮量;


3.清除塵埃、油污;


4.重新裝配或更換彈簧;


5.增大活塞面積或操作力。


二、閥門(mén)密封位置泄漏原因?


1、密封件壓縮量過(guò)小或損壞;


2、閥桿或閥座損壞;


3、鑄件有縮孔;


4、緩沖密封件損壞


【排除方法】


1.適當增加壓縮量,更換密封件產(chǎn)品;


2.更換件閥桿、閥座;


3.更換鑄件;


4.更換密封件;


三、閥門(mén)密封內部產(chǎn)生振動(dòng)原因?


1、壓力低;


2、電壓低;


【排除方法】


1.提高先導操作壓力;


2. 提高電源電壓或改變線(xiàn)圈參數。


聯(lián)


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