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The working principle of the retaining ring

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The working principle of the retaining ring

date:[2022-11-30]     pk_hits:
擋圈的工作原理:
依靠封閉結(jié)合面間的間隙以實(shí)現(xiàn)密封作用,不需要考慮摩擦與磨損。密封表面的泄漏是由密封圈的材料性質(zhì)、配合表面的加工精度、粗糙度和壓緊程度決定的。使用橡膠和軟金屬等類材料,用較小的壓緊力就可以完全壓緊,從而阻止流體的泄漏;對于較硬的金屬墊圈,有時(shí)使用較大的壓緊力不能完全壓緊,以致密封性差,但如降低表面粗糙度,增加表面真實(shí)接觸面積,用較小的壓緊力也可以改善密封性能。
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