【摘要】 分析了尺寸工差、形位公差及表面粗糙度选择的一般原则与方法,着重指出形位公差与尺寸公差、表面粗糙度之间的关系,通过其间关系可以比较正确和合理地选择各项公差的公差等级和数值。更多还原

【Abstract】 The article analyses the general principles and methods of choosing tolerance,shape and position, as well as surface rough degree. It particularly points out the relations between shape and position tolerance, size tolerance and surface rough degree. By means of above mentioned method, you can choose each size grade and numerical value correctly and properly.更多还原