Injection molding is an indispensable part of the connector production process, but this part is very prone to waste. Waste in the injection molding process not only directly increases injection molding costs and reduces profits, but also easily affects customer delivery and even indirectly reduces orders. So what waste is likely to occur in the injection molding process?
1. The structural design and processing of the injection mold are unreasonable, resulting in a large number of mold trials and mold changes, and a large waste of materials, electricity and labor;
2. There are many gates and burrs around the injection molding parts, and the amount of post-processing is large;
3. Low awareness of the use, maintenance and maintenance of injection molds, many mold failures or even damage in the production process, and frequent shutdowns for mold repairs, resulting in waste;
4. Poor use, maintenance and maintenance of the injection molding machine, resulting in a shortened service life of the injection molding machine and waste such as shutting down production and repairing the machine;
5. Insufficient vocational skills training, low work ability of post personnel, poor work quality, long adjustment time, resulting in waste;
6. The control of the injection molding process is not in place, the amount of waste in production is large, the defect rate is high, and the batch return causes waste;
7. The use of raw materials in mold testing and injection molding production exceeds the plan, the nozzle material or plastic head of the machine is not strictly controlled, and the loss of plastic raw materials causes waste;
8. Improper arrangement of injection molding production plan or machine arrangement, frequent mold rotation or machine replacement caused loss of "material", "worker" and "cost".
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