最小实体要求及其可逆要求的应用

The Application of Least Material Requirement and the Reciprocal Requirement

本文简要介绍了一种新的公差原则，最小实体要求及其可逆要求，并结合镗模的精度设计，分析了它的应用特点，从而说明该公差原则确有提高技术经济效益的使用价值．

The authors briefly deals with a new knid of tolerance principle:“Least Material Requirement and the Reciprocal Requirement”, and analyse its application characteristic according to accuracy design of boring dies,and clearly illustrate that the tolerance principle can sumly improve tne technical and economic benefit.