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　　Introduction to Dynamic Seals

　　动态密封件简介

By Dr. Nancy McGuire

Sealing devices can be static or dynamic. Static seals are used to prevent fluid leakage between mating surfaces that do not move relative to each other, while dynamic seals are used when there is relative motion between the mating surfaces.

密封装置可以是静态或动态的。静态密封件可以用来防止相互之间不相对运动的配合表面之间发生流体泄漏，而当在配合表面之间出现相对运动时，则使用动态密封件。

A Webinar article in the February TLT introduced the concepts behind static seals. In this article we discuss the types and components of dynamic seals. Various types of dynamic seals are designed for different applications: mechanical face seals, dynamic O-rings and labyrinth seals.

2月TLT的网络研讨会文章介绍了静态密封件背后的概念。在本文中，我们将讨论动态密封件的类型和组件。根据不同的应用设计有各种类型的动态密封件：机械表面密封件、动态O形圈和迷宫式密封件。

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申明

　　本文由STLE协会授权“润滑油聚焦”独家发布，未经允许不得转载