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首页 >> 解決方案 >>行業解決方案 >> 如何處理液壓油缸溝槽尺寸的大小對于密封件的安裝的影響
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如何處理液壓油缸溝槽尺寸的大小對于密封件的安裝的影響

时间:2020-07-13     【原创】   阅读

四川長江液壓件有限責任公司一般來說,密封件都是指用于接觸密封的密封件。接觸密封是靠密封件在裝配時的預壓縮力和工作時的油壓力使密封件產生彈性變形所形成的彈性接觸力工作的。因此,密封件對于液壓油缸來說是至關重要的,但是在實際情況中液壓油缸溝槽尺寸的大小對于密封件的安裝也有一定的影響:
  一、溝槽過深,會產生兩種情況:
  A、密封件根部與溝槽間的間隙變大,就會使密封件根部產生不固定。
  B、密封唇口與密封面的過盈量變小,密封件的反彈力就變小,那么活塞桿在跳動時低壓漏油的故障率就會增多。
  二、溝槽過淺,也會產生兩種情況:
  A、導致封油唇口與密封面過盈量加大,接觸面積加大,從而導致摩擦力變大,在油缸回程時密封件唇口得不到有效的潤滑,發熱量增大,就加速了密封件唇口的損壞。
  B、導致密封件根部間隙量變小,結果密封件根部在油缸起高壓時被擠出的幾率增大。

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