[Material] Basic Series on Geometric Tolerances 3 - Roundness - (Free Download)
"What is 'roundness'?" This is a document that also mentions usage examples and measurement methods!
When performing turning or milling operations, traces of the cutting tool may remain on the workpiece, and due to the effects of distortion or deflection during processing, there may be some deviation from the ideal shape. Geometric tolerances are used to indicate how much deviation is acceptable between the ideal shape and the actual shape. By understanding geometric tolerances, one can discern the designer's intent behind the drawings. It also clarifies how to proceed with processing and inspection based on specific references. This document explains "roundness," a type of geometric tolerance. It covers not only the definition but also when it is used and the measurement methods associated with it.
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Gas appliances, air conditioning equipment, medical devices, semiconductor-related items, etc.