Wire Harness ProcessingTen Processes of Wire Harness Production

Customers in the choice of wire harness processing plant, for each process of wire harness processing is very important. Because the process of meticulous and comprehensive or not, directly related to the quality of the wire harness. So a wire harness enterprise, wire harness processing process should be comprehensive and detailed, with strict management, to ensure excellent quality. Harness production mainly includes the following processes: 1. Acceptance of incoming materials: the use of ROHS instruments for environmental testing, testing all the wiring harnesses required to meet the ROHS standard incoming materials. Required equipment: OHS tester equipment. Process requirements: incoming materials are not allowed to contain lead (Pb), mercury (Hg), cadmium (Cd), brominated biphenyls (PBB) polybrominated diphenyl ethers (PBDE) and other harmful substances. 2. Wire feeding equipment: put the required processing wire on the transit feeder. Required equipment: wire feeding frame. Process requirements: Be careful not to scratch the surface of the wire. 3. Wire feeding: Put the wire to the wire feeder to fix. Required equipment: wire feeder. Process requirements: Be careful not to scratch the surface of the wire. 4. Cutting: Cut the wire to the required length with the wire cutter. Required equipment: computerized wire cutting machine. Process requirements: not allowed to cut the wire surface; not allowed to cut off the copper wire; peeling length error is not allowed to exceed ± 1mm. 5. Wire stripping: according to the SOP requirements to peel off the corresponding length of the wire at the joints of the insulation outside. Required equipment: pneumatic peeling machine. Process requirements: no surface crush; peeling length error is not allowed to exceed ± 1mm. 6. Twisted wire: the conductor of the joints are organized, twisted wire. Required equipment: twisting machine. Requirements: not allowed to scratch the surface of the wire; copper wire must be twisted tightly, not allowed to appear loose wire. 7. Rivet terminals: the connector conductor and plug terminals for riveting. Required equipment: terminal machine. Process requirements: the terminal is not allowed to deform; must meet the requirements of tension, riveting height, width. 8. Product assembly: assembling plastic plug shell. Required equipment: electric screwdriver. Process requirements: screws are not allowed to expose the surface of the plastic shell; must meet the product requirements of the torque. 9. Conductivity test: the use of instruments for the conductivity test of the wiring harness. Required equipment: conductivity tester. Process requirements: no short circuit, broken circuit, miswiring, poor contact, poor insulation and other phenomena. 10. Packaging and sealing: the use of plastic bags to encapsulate the finished wire harness, into a cardboard box. Required equipment: sealing machine and baler. Process requirements: sealing should be flat; packing tape should be tightly wrapped carton, not allowed to fall off.

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