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ISO 2692:2021

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

Jun 10, 2021

General information

60.60     Jun 10, 2021

ISO

ISO/TC 213

International Standard

01.100.20  

English   French  

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Published

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Scope

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.

Life cycle

PREVIOUSLY

WITHDRAWN
ISO 2692:2014

NOW

PUBLISHED
ISO 2692:2021
60.60 Standard published
Jun 10, 2021

National adoptions

SRPS EN ISO 2692:2021  
ISS

Geometrical product specifications (GPS) - Geometrical tolerancing - Maximum material requirement (MMR), least material requirement (LMR) and reciprocity requirement (RPR) (ISO 2692:2021)

60.60   Standard published

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