![]() ![]() Location tolerance examples include symmetry, concentricity and position. Orientation tolerance examples include squareness/perpendicularity, parallelism and angularity. From these variation chains, the variation of the key characteristics of assemblies, accumulated from the assemblies’ component variations, can be predicted even before the manufacturing of the components and the assembly processes are carried out.įorm tolerance examples include straightness, line profile and surface profile, flatness, roundness (circularity) and cylindricity. ![]() In essence, tolerance stack-up analysis is a translation of GD&T symbols in technical drawings into variation transformation chains. The understanding of interpreting GD&T is instrumental to understand and perform 3D tolerance stack-up analyses (and also 2D tolerance analyses). This post presents and discusses real examples on how to interpret GD&T tolerancing symbols from technical drawings.īy reading this post, you will understand how to read and interpret GD&T symbols from any drawings. ![]()
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