胀套的工作原理及其应用

The Operation Principle&It′s Applications of Expansion Bushing

胀套是我国引进国外先进技术中的一种先进有效的无键联结部件。主要介绍了它的结构、种类和工作原理及其主要尺寸和参数的范围，分析了它的特点，并提出了在选择使用时的一些主要原则。

Expansion bushing is an efficient,advanced and keyless joint-component,which is introduced from foreign advanced techniques,This paper mainly presents its struc-ture,kind,operation principle,major size and the range of parameters. Some chief selectivcprinciples for using are proposcd after analysis of its characters.