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

Wire Harness Welding Standards are a set of specifications and guidelines that guide the design, material selection, process parameters, and quality requirements of the wire harness welding process. The purpose of these standards is to ensure the quality and reliability of wire harness welding to meet the needs of a particular application, and to ensure that wire harness welding meets consistent requirements across different industries and sectors. Listed below are a few common wire harness welding standards: IPC/WHMA-A-620: This is a standard published by the International Electronics Federation (IPC) and the Wire Harness Manufacturers Association (WHMA). The standard covers the design, process, test and acceptance criteria for wire harness soldering and applies to aerospace, defense, medical and industrial electronics, etc. J-STD-001: This is a standard published by the IPC for use in the electronics assembly process, which also applies to wire harness soldering. The standard contains requirements for the soldering process, including soldering materials, soldering methods, quality inspection and acceptance criteria, etc. UL 486A/B: This is a standard issued by Underwriters Laboratories (UL) for wire connectors for harness soldering. UL 486A covers the standard requirements for crimp connectors, while UL UL 486A covers crimp connectors, while UL 486B covers solder connectors. ISO 9001: This is a quality management system standard issued by the International Organization for Standardization (ISO) for organizations in a variety of industries. Although ISO 9001 itself is not a standard specific to harness welding, it can provide guidance on quality management and process control for harness welding. These standards usually cover the following aspects: a. Design requirements: including the layout of the harness, size, electrical characteristics, environmental adaptability and other requirements. b. Material requirements: including the selection of wires, insulation, connectors, protective sleeves and other materials and performance requirements. c. Process parameters: including the welding method, welding temperature, welding time, welding pressure and other parameters of the provisions of the welding process. d. Quality control: including inspection, testing, acceptance criteria and record requirements during the welding process. e. Verification and certification: including verification and certification procedures for the welding quality of the wire harness.

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