GD&T best practices: controlling the geometry of slots

website gd&t slot dimensioning But note that features are always things that we can touch So the hole is a feature The axis of the hole is not a feature Likewise a slot is gd&t slot Geometric Dimensioning and Tolerancing is a language of symbols used to describe a part's nominal geometry and the allowable tolerance for variation

gd&t slot dimensioning The diameter of the hole is a tolerance dimension and the GD&T callout does not have the M or L material condition, so the RFS is assumed Now the TP callout is  A Position GD&T is typically used to vary the location of a Feature of Size such as a hole, pin, slot, or tab In accordance with ISO standards,  The diameter of the hole is a tolerance dimension and the GD&T callout does not have the M or L material condition, so the RFS is assumed Now the TP callout is

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