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What are the standards and specifications for wire harness crimp terminals? How to test the harness crimp terminals?

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Specializing in the sales of: Connectors | Wire Harness | Cable Products

Harness crimp terminal is a common way in electrical connection, which can connect multiple harnesses together to form a whole connection. In order to ensure the reliability and stability of the crimping terminal connection of the harness, a series of standards and specifications need to be observed during the manufacturing and installation process. This article will focus on the standards and specifications of the harness crimping terminal and how to check the quality of the harness crimping terminal. At present, there are corresponding standards and specifications for the manufacture and installation of wire harness crimping terminals at home and abroad, mainly including the following aspects: (1) UL standards: a series of safety standards formulated by the American Safety Laboratory, which are applicable to the design and manufacture of electrical and electronic products. (2) IEC standards: a series of electrical standards developed by the International Electrotechnical Commission, applicable to various electrical equipment and systems. (3) JIS standard: Japanese industrial standard, applicable to the design and manufacture of various industrial products. (4) DIN standard: German industrial standard, applicable to the design and manufacture of German industrial products. (5) GB standard: national standard, applicable to the design and manufacture of products in various industries in China. Manufacturing standards and specifications The following standards and specifications shall be observed when manufacturing the crimping terminal of the harness: (1) Material requirements: The terminal material shall have good conductivity, corrosion resistance and high temperature resistance. The commonly used materials are copper, aluminum, tinned copper, etc. (2) Appearance requirements: The terminal shall be neat in appearance, smooth in surface, free of burrs, cracks, deformation and other defects. (3) Size requirements: terminal size shall meet the requirements of relevant standards and specifications, such as UL, IEC, JIS, DIN, GB and other standards. (4) Crimping requirements: professional crimping tools and methods shall be used for the crimping terminal of the harness to ensure that the crimping force and depth between the terminal and the harness meet the standard requirements. (5) Identification requirements: the terminal shall be marked with the model, material, specification, batch number, production date and other information for traceability.

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