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Norm

ISO 2692:2021

Issue date: 2021 06 10

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

This document defines the maximum material requirement (MMR), the least material requirement (LMR) and the reciprocity requirement (RPR). These requirements can only be a...
Valid

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.

ISO 2692:2021
2021 06 10
Geometrical product specifications (GPS) — Geometrical tolerancing — Maximum material requirement (M...
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ISO 2692:2014
2014 12 15
Geometrical product specifications (GPS) — Geometrical tolerancing — Maximum material requirement (M...
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ISO 2692:2006
2006 12 12
Geometrical product specifications (GPS) — Geometrical tolerancing — Maximum material requirement (M...
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ISO 2692:1988/Amd 1:1992
1992 10 08
Technical drawings — Geometrical tolerancing — Maximum material principle — Amendment 1: Least mater...
Norm
ISO 2692:1988
1988 12 29
Technical drawings — Geometrical tolerancing — Maximum material principle
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ISO 1101-2:1974
1974 05 01
Technical drawings — Tolerances of form and of position — Part 2: Maximum material principle
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