Geometric Symbols
For each ASME Y14.5 symbol, label its associated geometric characteristic and type of tolerance.
Expand Hint
Recall the symbols you may have seen in a feature control frame on a drawing.
Hint 2
There are five types of tolerances: form, orientation, location, runout, and location of derived median points.
There are 14 geometric tolerancing characteristics, with relatively straightforward symbols based on their description. The characteristic symbols are placed in the first compartment of a feature control frame and define the type of tolerance that is applied to the feature.
There are five types of tolerances. Form tolerances control the features’ “shape” and are commonly used as a refinement of size. Orientation tolerances control the features’ “tilt” and are always associated with basic angle dimensions. Location tolerances control location (center points, axes, median planes, surfaces, etc.) and are always associated with basic linear dimensions. Runout tolerances control surface co-axiality. Finally, location of derived median points tolerances locate the derived median points of a feature. Keep in mind that position, profile, runout, and median points are a subset of location tolerance types.
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Similar Problems from FE Sub Section: Modifying Symbols
053. GD&T
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215. Positional Tolerance
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438. Accept or Reject?
Similar Problems from FE Section: Geometric Dimensioning and Tolerancing (GD&T)
053. GD&T
072. Tolerance Analysis
092. MMC vs LMC
215. Positional Tolerance
398. MMC & LMC
402. GTOL
404. Feature Control Frame
409. GDT Symbols
411. GDT Rule #1
414. GTOL Rule #1
417. ASME Y14.5 Symbols
421. RFS Boundaries
422. LMC Boundaries
423. MMC Boundaries
425. A Hole’s Virtual Size
426. A Pin’s Virtual Size
427. MMC Hole’s Virtual Size
428. MMC Pin’s Virtual Size
438. Accept or Reject?