GB/T 8122-2024
ActiveBore dial indicator
内径指示表
Application Summary AI generated
GB/T 8122-2024 specifies the terms, requirements, inspection methods, and marking for bore dial indicators used to measure internal diameters. It is applied in precision manufacturing and quality control contexts, such as automotive engine cylinder bores, hydraulic cylinder tubes, and bearing housings, where accurate inner dimension verification is required. This standard ensures consistency in measurement accuracy and interchangeability of these instruments across Chinese industrial sectors.
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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.