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Showing posts from October, 2015

Mould maintenance-plastic mould maintenance methods-Sino

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After finished a set of mould, next we need to test the validity of the mold, which is tryout. Then put into production, as well as in the production of mould maintenance , in order to make the mold is in better working condition, let us gain maximum benefits of it? When the mould tryout, we need note whether the smooth opening and closing the mold, ejecting smoothly. Second, pay attention to the mold gate location and into gum manner and gate size and cavity size to choose the right pressure, speed, quantity for injection. When the mold is heated, carefully check fit the mold at all if there is strong phenomenon, then confirm the binding wire and exhaust. Please confirm the size and appearance of the quality of personnel played after product. Mold production process, to check the mold setup and safety devices, allowing operations staff to understand the process, there may be problems. After production is completed, the lower mold or standby machine and molds need to take the ...

Auto parts plastic mold-auto parts plastic mold supplier-Sino

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Autoparts plastic mold divided into three categories: interior parts, exterior parts and the functional parts. First, the general requirements of the car’s plastic mateial: 1. Impact strength and modulus equilibrium (along with strength, tough characteristics, excellent dimensional stability, which means that the material in the long table load creep resistance is good); 2. Good temperature resistance, to ensure the material won’t deform under conditions of light and heat; 3. with specific surface properties, such as matte, high hardness scratch-resistant, easy to painting, plating and so on; 4. Excellent weather resistance, to ensure long-term use does not change color, not aging cracking (includes thermal oxidative aging and photoaging); 5. Good chemical resistance to withstand the erosion of oil and cosmetic products; 6. Easy molding, injection molding and material should have sufficient liquidity to ensure that the structure of complex molded parts, and improve pr...

Plastic products structure-plastic products structure importance-Sino

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Sino Mould is a famous plastic mould manufacturer all over the world. After years of working experience in injection mold industry, Sino concluded that a good injection mold can’t do without a good plastic products structure . What’s more, we need controller it from the injection mold design. When make product design, the designer should try his best to avoid unnecessary undercut, and avoid mold core pulling, thereby to simplify the mold structure. Suitable thickness and everage of plastic products will be better. and uniform wall thickness changes in wall thickness is too small will cause the flow resistance is too large, missing gum occurs, resulting in waste of raw material wall thickness over the General Assembly and has shrunk severely. Where the wall thickness of mutated, cause stress concentration, away deformed, so product design should be consistent as far as possible the wall thickness or wall thickness change to be smooth. Some local plastic parts should be designed ro...