GB/T 35402-2017
ActiveDirect part mark (DPM) two dimensional bar code symbol quality test
零部件直接标记二维条码符号的质量检验
Application Summary AI generated
This standard specifies the quality testing requirements and methods for two-dimensional bar code symbols that are directly marked onto parts and components, such as via dot peening, laser etching, or chemical etching. It is applied in manufacturing and supply chain contexts, particularly for automotive, aerospace, and industrial equipment parts, to ensure the readability and durability of permanent marks used for traceability and lifecycle management. The standard defines parameters like symbol contrast, modulation, and fixed pattern damage, and is used during production quality control and incoming inspection.
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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.