How is the production process of an automotive wiring harness braided harness?

Automotive wiring harness is the main body of the network of automotive circuits. The contact terminals (connectors) made of copper are crimped with wires and cables, and then the outside is molded and pressed with insulators or additional metal shells, etc., and the harness is bundled to form a component that connects the circuits. Automotive wires, also known as low-voltage wires, it is different from ordinary household wires. Ordinary household wires are copper single-piston wires, with a certain degree of hardness. And car wires are copper multi-pistil soft wire, some soft wire as thin as a hair, a few or even dozens of soft copper wire wrapped in a plastic insulating tube (polyvinyl chloride), soft and not easy to break.

I. How is the production process of automotive wiring harnesses? In the automotive harness two-dimensional product drawings out, to program the production process of the harness, the process is to serve the production of the two inseparable, so the production of automotive wiring harnesses and process of the two combined together to analyze. The second station after the line is crimping process, according to the drawing requirements of the terminal type to determine the crimping parameters, the production of crimping operation manual, for the lamp socket has special requirements need to be specified in the process documentation and training of operators. For example: some wires need to pass through the sheath before crimping, car audio harnesses need to be pre-installed wires and then return from the pre-installation station and then crimp; there are also piercing crimp with a special crimping tool, this crimping method has good electrical contact properties. Then there is the pre-installation process, first of all, to prepare the pre-installation process operating instructions, in order to improve the efficiency of the total assembly, the complexity of the wiring harness should be set up to pre-installation stations, pre-installation process is reasonable or not directly affects the efficiency of the total assembly also reflects the technical level of a craftsperson high and low. If the pre-assembly part of the assembly of the lesser or assembly of the wire path is unreasonable will increase the workload of the total assembly personnel, slowing down the speed of the assembly line, so craftsmen should often stay on site to constantly summarize. The last step is, the total assembly process. Able to compile according to the connector plug product development department designed assembly board, design equipment, material box specifications and size and will be assembled all the sheaths and accessories of the number affixed to the material box in order to improve the assembly efficiency. Preparation of each station assembly content and requirements, balance the entire assembly station to prevent a point of excessive workload, pull down the speed of the entire assembly line. To achieve workstation balance, process personnel must be familiar with each operation and on-site measurement of working hours, adjust the assembly process at any time.

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