What are the standards for wire harness processing? What are the specific standards?

Harness processing standards are a series of specifications and requirements that need to be followed in the manufacturing and processing of wire harnesses to ensure the quality, reliability and compliance with relevant industry standards. The following are some common wiring harness processing standards: IPC/WHMA-A-620: IPC/WHMA-A-620 is a standard issued by the International Electronics Industry Confederation (IPC) and the Wiring Harness Manufacturers Association (WHMA) that defines the requirements for wiring harness assembly and processing. It covers the design of the harness, wiring, connector installation, insulation stripping, wire tin coating, insulation treatment, marking and testing, etc. UL Standard: UL (Underwriters Laboratories) is an international safety certification body for wire harnesses and wires and other products to provide certification, UL standards for the manufacture of wire harnesses, material selection, safety performance and other aspects of detailed regulations to ensure that the harness meets the relevant requirements. The UL standard has detailed regulations on the manufacturing of wire harnesses, material selection, safety performance, etc., to ensure that the wire harnesses meet the relevant safety requirements. ISO 9001: ISO 9001 is a quality management system standard issued by the International Organization for Standardization (ISO). For wire harness manufacturers, ISO 9001 certification means that they have a set of perfect quality management system, which can ensure the quality and consistency of the processing of wire harnesses.IPC-D-620: IPC-D-620 is a wire harness design guide issued by the IPC, which covers the specifications and requirements for the design of wire harnesses. It includes wiring methods, wire selection, insulation materials, connector selection and installation, labeling and testing of wire harnesses. Customer Requirements: In addition to industry standards, wiring harness processing needs to fulfill customer-specific requirements. Customers may have their own standards and specifications, requiring harnesses to meet their requirements in terms of design, manufacturing, testing and packaging. In the process of wire harness processing, some key points need to pay attention to the following: material selection: according to the application requirements of the wire harness, select the appropriate wire, insulation, connectors and protective sleeve and other materials. Ensure that the material meets the relevant industry standards and has good electrical performance and durability. Connector installation: the connector is an important part of the harness, and its installation quality directly affects the reliability of the harness. Connectors should be installed correctly in accordance with standards and requirements to ensure a solid connection, good electrical contact, and take the necessary protective measures. Wire stripping and insulation treatment: wire stripping and insulation treatment is a key step in the processing of wire harnesses. To use the appropriate tools and methods for wire stripping, to ensure that the stripping length and insulation treatment in line with the requirements, to avoid short circuits and insulation failure. Marking and testing: After the wire harness is processed, it needs to be marked and tested. Marking can be in the form of color coding, labels or serial numbers to identify the function and connection of the harness. Testing includes electrical testing, connectivity testing, and reliability testing to ensure that the quality and performance of the harness meets requirements. Compliance with wire harness processing standards is critical to ensuring the quality and reliability of wire harnesses. By following the relevant standards and requirements, selecting materials appropriately, manufacturing and testing correctly, you can improve the performance, reliability and durability of your wire harnesses to meet your customers' needs and comply with industry specifications and requirements.

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