• Preparations Before Mold Trial Apr 26, 2019
    Mold trial is an essential part of the new mold before injection production, The quality of the test results will directly affect whether the subsequent production of the factory is smooth. What precautions should be paid attention to when test the mold? 1. Familar with the relevant information of the mold It is better to get the mold drawing, analyze it in detail, and get the mold technician to p...
  • The program control of injection speed Apr 26, 2019
    The program control of the injection speed is to divide the injection stroke of the screw into 3 to 4 stages, and each of the stages uses an appropriate injection speed. For example, when the molten plastic just starts to pass through the gate, the injection speed is slowed down, and during the filling process, high-speed injection is used, and the speed is slowed down at the end of filling. With ...
  • The main factors affecting mold life May 20, 2019
    The main factors affecting mold life. 1. The structure of the mold -effective mold structure helps to improve the load carrying capacity of the mold and reduce the mechanical load on the mold; 2. The material of the mold - should be selected according to the size of the production batch of the product parts;  The hardened mold will bring more shots and meet the high require for the mold treat...
  • The meaning of molding May 20, 2019
    Molding is a high quality, high efficient, low loss, strong adaptation manufacture technology. it's a valuable wealth in the society. Cause of the modernization of mold production technology, nowdays , mold has been widely used in the production of electric motors and electrical products, electronic computer products, instruments, household appliances and office equipment, automobiles, ordnance, g...
  • Four stages in the injection molding process May 20, 2019
    Under the action of the screw thrust, the melted material has flowed through the barrel, nozzle, runner, gate, etc. at a certain rate and then injected into the cavity, and the injection pressure is gradually decreased by overcoming the flow resistance. Plastic filling process and molding quality. In addition to the injection pressure, it depends on the melt injection speed, melt and mold temperat...
  • Purpose of mold polishing May 24, 2019
    Polishing is an important process in the plastic mold making process. With the increasing application of plastic products, the appearance quality of plastic products is getting higher and higher, so the surface polishing quality of plastic mold cavities should be improved accordingly. Molds with specular and high-gloss surfaces have higher requirements on the surface roughness of the mold and ther...
  • What you should consider for processing the quality ejector pin ? May 24, 2019
    What you should consider for processing the quality ejector pin ? 1. Whether the design of the  ejector pin is reasonable Generally, it will be processed according to the customer's drawings. If the drawing design is unreasonable, the best processing technology will also affect the quality. 2 The selection of  ejector pin should be qualified There is definitely a big difference in the se...
  • What is the most important during designing a mould ? May 27, 2019
    The most important point is structure , If the structure can be simplified as much as possible, but the quality of the mold must be guaranteed, the company will earn the maximum profit from it .  When we received a product , the first question is find out the biggest parting surface , Roughly determine the cavity and the core , then , To Analyze the construction of cavity and core , insert , ...
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A total of 22 pages

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