Maximum Material Condition MMC vs External Feature Size Tolerance Chart Calculator

Tolerances, Engineering Design & Limits & Fits

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External feature of size Maximum Material Condition MMC Size Calculator for shaft and other similar features.

This calculator tool will create a Geometric Size vs MMC Maximum Material Condition Tolerance Chart per . ASME Y14.5-2018, ASME Y14.5-2009, ASME Y14.5M - 1994, or ISO 1101 Geometric Dimensioning and Tolerancing (GD&T).

Related: Internal MMC vs Feature Size Tolerance Chart Tool Calculator

MMC Calculator


MMC = Maximum Material Condition
LMC = Least Material Condition
Virtual Condition = Tolerance boundary that is constant for all sizes and generated by the cumulative effects of size and geometric tolerance at MMC. For an external feature of size with MMC specified, Virtual Condition = MMC + Geometric tolerance, or as-manufactured size + allowed geometric tolerance at that size.
Resultant Condition = Worst case tolerance boundary generated by the cumulative effects of size and geometric tolerance. For an external feature of size specified at MMC, Resultant Condition = LMC - Geometric Tolerance allowed. This is a single tolerance and size event.

External Feature of Size Geometric Tolerance MMC Chart Calculator
Input Data
Size, Nominal =
Upper Size Limit (+) =      
Lower Size Limit (-) =      
Upper + Lower Limits = Max. = .051  
Specified Tolerance, MMC = Must be > or = than 0
MMC =  
Virtual Condition =
Resultant Condition =
MMC/LMC Size Geometric Tolerance   MMC/LMC Size Geometric Tolerance

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