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苒邦密封件首頁 > 星型圈 > 星型圈x型圈到底是什么
  • 產品名稱: 星型圈x型圈到底是什么

  • 產品類型: 星型圈

  • 產品型號:

  • 發布時間: 2019-04-17


產品描述

星型圈到底是什么

20190417213904_93076


星型圈是液壓缸中最常用的密封件,它是一種典型的唇口密封件,無論用于活塞或是活塞桿都能獲得良好的密封效果,U型圈在低壓情況下,只靠唇部的過盈變形產生密封,

3

因接觸面積小,磨擦力相對較低,隨著壓力升高,唇口彈性變形量增加,拉伸,壓縮及彎曲應力增加,U型圈徑向壓緊力自動變大,與密封面接觸的長度不斷增加,直到U型圈整個軸向長度與密封面接觸,從而保證高壓狀態下具有良好的密封性。

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