How is the automotive wiring harness processed and produced? How to control the quality in the production process?

Automotive wiring harness is a whole composed of multiple wires and cables, which plays a role in connecting various components in the automotive electrical system. The processing and production of automobile wiring harness is a very important link, which is directly related to the safety and reliability of the automobile. In this paper, the production process and quality control of automotive wiring harness will be described. 1. Processing and production process of automobile wiring harness The processing and production of automobile wiring harness is generally divided into three steps, namely, pre-processing, assembly and testing. 1. Pre-processing refers to the processing of various wires and cables before formal assembly, mainly including peeling, cutting, drilling, welding and other operations. In the pre-processing link, the main equipment includes wire peeling machine, wire cutting machine, wire drilling machine, wire welding machine and so on. 2. Assembly refers to the combination of pre-processed wires and cables according to the design drawings to form finished wiring harnesses. In the assembly process, the main equipment includes wiring harness fixing machine, wiring harness winding machine, wiring harness grafting machine, etc. 3. Test Test refers to the functional test and reliability test of the assembled wiring harness. The test contents include line connection test, voltage test, insulation test, temperature test, etc. In the testing process, the main equipment includes wiring harness tester, circuit tester, insulation tester and so on. 2. Quality control of automotive wiring harness As an important part of automotive electrical system, the quality of automotive wiring harness is directly related to the safety and reliability of automobiles. Therefore, the quality control of automotive wiring harness is very important. It mainly includes the following aspects: 1. Material quality control The wires, cables and other materials used in automotive wiring harnesses must meet the national standards and the requirements of automobile manufacturers. In the production process, it is necessary to check the quality of the purchased materials and establish the quality files of the material suppliers for traceability and management. 2. Process control is very important for the production process of automotive wiring harness, which must be produced in strict accordance with the design drawings and production process specifications. In the production process, each link must be monitored and inspected to ensure that the quality of each link meets the requirements. 3. Process control The production process of automotive wiring harness must be carried out in strict accordance with the process, and each link must conform to the standards and specifications.

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