tolerance and fit

This paper describes the application of projected tolerance zone, mainly in threaded parts and parts with interference fit to control the tole ranee in position or symmetry so that the function and assembling of these parts be ensured.

本文论述了延伸公差带的应用，主要用于螺纹件及压配合零件的连接，控制位置度和对称度的公差，以保证零件的功能要求和顺利装配。

The course "Tolerance and Fit and Technical Measurement" is an important basic course of machinery speciality, and its aim is that students can get the basic knowledge and skill of interchanging and checking mechanical engineer should acquire.

《公差配合与技术测量》是机械类专业的一门重要的专业基础课，该课程的任务在于使学生获得机械技术人员必备的互换性与检测方面的基础知识和基本技能。

On the Effects of Stress Deformation on Tolerance and Fit Design

受力变形对公差与配合设计的影响

Based on the fit theory the slide fit tolerance clearances with various sizes and signs can be calculated in S_ ( min), S_ ( mar) and.

根据公差配合理论可以计算不同配合、不同公差尺寸的S（mia）、S（max）及ψ。

Lastly, the method for tolerance and fit checking up and analysis is concerned.

最后，着重研究了虚拟装配中公差与配合的检验和分析方法。