Production process of automobile wiring harness (bar wiring, mictuning mic wiring, led light wiring)
- PRODUCT DETAIL
With the continuous improvement of people's requirements for the comfort, economy and safety of automobiles. The types of electronic product applications in automobiles are also increasing, and the failure rate of more and more complex wiring harnesses in automobiles has also increased correspondingly. This requires improving the reliability and durability of the wiring harness. Many people are more interested in the process and production of automotive wiring harnesses. Here is a brief description of the knowledge of automotive wiring harness technology and production. You only need to spend a few minutes reading to get a general understanding of the production process of automotive wiring harnesses.
After the two-dimensional product drawings of the automotive wiring harness are released, the production process of the wiring harness must be arranged. Process is inseparable from serving production. Therefore, the author combines the production and technology of automobile wiring harness to analyze together.
The first process of wire harness production is the cutting process. The accuracy of the cutting process is directly related to the entire production schedule. Once an error occurs, especially the opening of the wire size is too short, it will lead to rework of all processing processes, time-consuming and laboriously affecting production efficiency. Therefore, in the preparation of the wire cutting process, it is necessary to reasonably determine the wire cutting size and stripping size according to the requirements of the drawing.
The second station after the wire cutting is the crimping process. Determine the crimping parameters according to the terminal type required by the drawing, make the crimping operation manual, and indicate the process documents and train the employees for special requirements. For example: some wires need to pass through the sheath before crimping. It needs to pre-assemble the wire and then return from the pre-installation station before crimping; There are also special crimping tools used for piercing crimping, which has good electrical contact performance.
Next is the assembly process. First, we must prepare the pre-assembly process operation manual. In order to improve the overall assembly efficiency, complex wiring harnesses must be equipped with pre-assembly stations. The rationality of the pre-assembly process directly affects the efficiency of the overall assembly and reflects the technical level of a technician. If the pre-installed part is less assembled or the wire path of the assembly is unreasonable, it will increase the workload of the general assembler and slow down the speed of the assembly line. Therefore, the processing personnel should always stay on the spot and continue to summarize.
The last step is the total assembly process. Compile the assembly platform designed by the product development department, design tooling equipment and material box specifications. And paste the serial numbers of all assembly sheaths and accessories on the material box to improve assembly efficiency. Compile the assembly content and requirements of each station, balance the entire assembly station, and prevent a little too much work from reducing the speed of the entire assembly line. To achieve the balance of each station, the operator must be familiar with each operation, measure the working hours on site, and adjust the assembly process at any time.
In addition, the wiring harness technology also includes the preparation of a schedule of material consumption quotas, calculation of working hours, and worker training. Since the technical content is not high, these will not be elaborated. All in all, the electronic technology content and quality of automotive wiring harnesses have gradually become an important indicator for evaluating automotive performance. Automobile manufacturers should pay particular attention to the selection of wiring harnesses, and it is also necessary to understand the process and production of automotive wiring harnesses.
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