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Geometrical product specifications (GPS) - Geometrical tolerancing - Maximum material requirement (MMR), least material requirement (LMR) and reciprocity requirement (RPR)Translate name
STANDARD published on 1.12.2021
Designation standards: ČSN EN ISO 2692
Classification mark: 014123
Catalog number: 513138
Publication date standards: 1.12.2021
The number of pages: 68
Approximate weight : 204 g (0.45 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
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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