In molding of plastic products, solving the problems of shrinkage coefficient difficult. HESO shrinkage is a parameter depends on many factors (temperature, volume, plastic components, applying
pressure ...) and the calculation depends very much on the experience of people working in the plastic injection mold linhvua.
currently, the CAE software is a powerful tool to support the achievement viecphan. Shrinkage coefficient not only reduces the mechanical properties but also the cause of primary routes surface makes beautiful products. In particular, in the production of plastic, aesthetic design and is one of the factors leading concern. Therefore, the resolution of errors arising from the shrinkage factor is very important.
In the production of plastic, the product has a thickness greater, the larger the shrinkage factor causing contraction cackhuyet concave disabilities, warping, more with intricate details filling resin mixture is very difficult. Therefore, the introduction of injection molding technology for the purpose of solving this problem on the product allows voids in between. This is the most important purpose for the introduction of technology and gas-assisted injection molding
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