ISO 2692:2021
产品几何技术规范(GPS). 几何公差. 最大实体要求(MMR)、最小实体要求(LMR)和可逆要求(RPR)

Geometrical product specifications (GPS) - Geometrical tolerancing - Maximum material requirement (MMR), least material requirement (LMR) and reciprocity requirement (RPR)

标准号

ISO 2692:2021

发布

2021年

发布单位

国际标准化组织

当前最新

ISO 2692:2021

 

 

引用标准

ISO 1101:2017 ISO 14405-1 ISO 17450-1:2011 ISO 17450-3 ISO 5458 ISO 5459:2011

适用范围

This document defines the maximum material requirement (MMR), the least material requirement (LMR) and the reciprocity requirement (RPR). These requirements can only be applied to linear features of size of cylindrical type or two parallel opposite planes type. These requirements are often used to control specific functions of workpieces where size and geometry are interdependent, for example to fulfil the functions “assembly of parts” (for MMR) or “minimum wall thickness” (for LMR). However, the MMR and LMR can also be used to fulfil other functional design requirements.

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