GB/T 6315-2008
AbolishedVernier, dial and digital display universal bevel protractors
游标、带表和数显万能角度尺
Application Summary AI generated
GB/T 6315-2008 specifies the technical requirements, inspection methods, and accuracy grades for vernier, dial, and digital display universal bevel protractors used to measure angles in mechanical manufacturing and quality inspection. It applies to angle measurement tools with a measuring range of 0° to 320° and a resolution of 2′ or 5′, commonly used in machining, tooling, and assembly processes for verifying workpiece angles. The standard ensures consistency in angle measurement across production and calibration laboratories, particularly for parts requiring precise angular tolerances.
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Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.