Harness external design and internal design changes

Automotive wiring harness industry in the field of automotive parts belongs to the flexibility of the industry is very large, involving the change is usually very frequent, such as automobile factory vehicle electrical configuration of the increase or decrease in the electrical installation location of the change as well as the electrical end of the connector model or electrical function of the hole position of the change, etc. will require the wiring harness for synchronization changes, the general wiring harness changes are divided into two aspects of the external change and internal change. External design change means that the client initiated technical design changes, mainly involving the increase or decrease of functional branches, changes in the direction of the harness, functional sheath changes and harness accessories to change the installation site, etc., mostly functional design changes. Internal design changes refers to the wiring harness in the process of optimizing the product in the process of change, this process is mostly product optimization, improve the product process. Internal and external changes to the quality of the product have a non-negligible impact, but in contrast, if the external implementation of the change is not in place or implementation is not complete, then it will affect the client's vehicle assembly progress, or worse, will result in the assembly of the line stop, resulting in quality accidents. So how to do the product in the setup change when the batch management?

Harness industry due to its own industry characteristics, new products in the trial installation of qualified, the client will be based on market demand, the order will be issued to the harness manufacturer, during the client due to changes in market positioning may develop a variety of different configurations of the product, at this time it will be issued to change the product technology, including wiring harness, including the parts manufacturer of the product set up changes, the process will require the harness manufacturer of the products in various stages of change, including in-company (pre-injection, in-process products, finished products), in-transit products, the client (three-party library, RDC library) and other aspects of the product. This process will require harness manufacturers to make changes to the products at various stages, including in-company (pre-injection, in-process, finished products), in-transit products, client (three-party library, RDC library) and other links in the product. How to clear and modify the products in the above three areas will directly affect the final status of the products arriving at the client? Generally, the client will consider the actual inventory situation of the supplier involved in the change when issuing design changes, and finally decide the deadline for the new status to be reflected. This process of how to set up changes to their own products to clear the inventory, different manufacturers have different programs. Generally speaking, first of all, by the marketing department to track the product transition deadline and the field library digestion after the remaining inventory quantity reported to the company within the order logistics department, by the order logistics department statistics company final internal and external, including semi-finished goods inventory quantities, the technical department according to the different stages of the product compilation and issued set up changes to change the program by the Ministry of Manufacturing in accordance with the technical department issued by the change program for the implementation of the set up of changes to all products. The Quality Department follows up the whole process of setting up and changing. And do a good job of process records, and finally summarize the entire process involving the implementation of change, and release the results of implementation. The whole process described above is the standard process in general, but in the process of specific inventory clearance of the specific progress, the process needs to be carried out in accordance with the actual customer demand. For example, the product affects the functionality of the vehicle problem of the set change, it must be implemented, and must ensure the normal operation of the client's production line to ensure that the vehicle can be normal off the line, does not affect its dynamic testing. Once in the host plant to do after-sales service has encountered similar problems, the client will change the structure of the odometer sensor, at the same time require the harness end of the circuit hole position is also changed, due to the host plant issued by the two suppliers to ultimately reflect the new state of the implementation date is not synchronized, ultimately leading to the offline vehicle batch odometer electrical function does not work, after the host plant consultations, and ultimately by the harness end of the circuit restoration, and then restored! The electrical function of the vehicle was restored by the wiring harness, which ensured the normal operation of the offline vehicles. Through this one example, just to express the importance of the implementation of design changes, of course, a component in mass production, may involve a number of variations in the optimization process, during the variations to optimize the synchronization with its matching state is deeply affected by the current assembly state, while the state of the overall quality of the vehicle adaptability is also not to be underestimated the impact of the overall quality of the vehicle. Of course, the content of the set change is different, the result is also different. Therefore, for the state of the wiring harness set change the implementation of batch management is very necessary, he is not only on the confirmation of the product state has an important impact, at the same time on the company's control of the number of batches of products also has the same important impact. So, how to ensure that the actual production of different states correspond to their corresponding variant batch management? How to control the internal change and external design change status at the same time? There are two kinds of management methods that I have contacted, one is to carry out drawing replacement and sealing. By the company's data management room for the centralized management of the drawing status, to ensure that the site is used in the latest state of the customer's order plan. Process according to the state of the number of sequential process inspection, packaging, and in the product and the outer box labeled product batch status; another method is to take the form of change code for internal and external change management, the respective code in accordance with a certain regularity of the data to change, reflecting different changes in the state of the product under the batch. Compared with the kind of form, there are similarities and differences, only the embodiment of the form of change is different. Summarized through the above process, here with you to share experience, but this process even with a perfect standard process, but also lack of solidarity between the departments, but only in the standard and interdepartmental communication under the double cooperation, the work carried out will be more smooth.

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