Question
Download Solution PDFWhich of the following represents a form tolerance?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Form tolerances are used to define the allowable variations in the shape or geometry of a part. They ensure that the part conforms to the specified design requirements. Form tolerances describe the variation in features such as flatness, straightness, circularity, and profile.
Among the options given, flatness is a form tolerance that specifies the allowable variation in the flatness of a surface. It ensures that the surface is within the specified tolerance zone, indicating how much the surface can deviate from being perfectly flat.
Parallelism (option 2) and concentricity (option 3) are examples of other types of geometric tolerances but are not specifically form tolerances.
Total runout (option 4) is a composite tolerance that combines both form and orientation tolerances. It specifies the allowable variation in the overall shape, profile, and orientation of a cylindrical or rotational part.
Therefore, the correct answer is 1.
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