ISO 2692:2021
產品幾何技術規范(GPS). 幾何公差. 最大實體要求(MMR)、最小實體要求(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)

標準號

ISO 2692:2021

發布

2021年

發布單位

國際標準化組織

當前最新

ISO 2692:2021

 

 

引用標準

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

適用范圍

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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