Mold manufacturing is a more complex thing, especially precision mold, there are many processes, the whole process involves a lot of problems. So what is the specific process of plastic mold opening? The specific process of plastic mold injection molding is as follows: 1. Drawing design. Drawing design is the first step of mold opening, to communicate with customers, according to the needs of customers to complete the design of drawings. 2. Material selection. Choose a good material to make a mold according to the nature of the product, this step is directly related to the quality of the injection molding after the mold molding, so it must be done. 3, mold production. The machining of the mold includes CNC machining, EDM machining, wire cutting machining, deep hole drilling and so on. 4. Try and repair the mold. Although it is in the selection of molding materials, molding equipment, mold design under the expected process conditions, but people's understanding is often imperfect, so it is necessary to test the mold after the completion of the mold processing, to see the quality of the molded parts. After finding that it is always possible to eliminate errors, repair the mold. There are many types of adverse phenomena in plastic parts, and the reasons are also very complex, there are mold reasons, and there are also reasons for process conditions, and the two are often only together. Before repairing the mold, it should be carefully analyzed and studied according to the actual situation of the adverse phenomenon of the plastic parts, to find out the causes of the defects of the plastic parts and put forward remedial methods. Because the forming conditions are easy to change, the general practice is to change the forming conditions first, and when the changing forming conditions cannot solve the problem, it is considered to repair the mold. Repair mold should be more careful, not very sure can not act rashly. The reason is that once the mold conditions are changed, it can no longer be reformed and restored to the original state. The performance of the parts is good, only in this way can the manufacturing quality of the mold be slang. 5. Sort out data and file. The mold can be put into production after the successful trial, if not, the mold should be maintained, and the relevant technical parameters should be sorted out and documented.
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