I. We need to know the purpose of baking.To guide the standard operation of baking material, to ensure the quality of baking material, and to prevent various accidents brought about by baking operation...
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Melt rupture leads to scorching,When the melt is injected into a large volume cavity at high speed and high pressure, it is easy to produce a melt rupture phenomenon, at this time, the melt surface...
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1 Disadvantage: The so-called disadvantages of injection molded parts refer to the failure of the injection molded parts to meet the original design, use and other quality requirements of the injection molded parts...
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The application of mold frame in engineering is more and more, how to choose the right one is a problem, today we summarize several guidelines of mold frame selection, take a look...
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An injection molding parts technical parameters,(1) screw diameter: the outer diameter of the screw size,(2) effective length of the screw: the length of the screw with threads (MM) is often expressed in L......
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Cavities and cores are three-dimensional surfaces,The external and internal shape of the plastic part is directly shaped by the cavity and core, this complex three-dimensional surface processing is more difficult...
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Injection molds often produce burns for some reason during production. Depending on the burn caused by different reasons such as mechanical, mold, or molding conditions, different solutions are taken...
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The large area of flat injection molded parts results in a large shrinkage. The molecular orientation of large injection molded parts is extremely serious, and the cooling of the mold is...
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As the plastic flows through the injection molding machine and different parts of the mold, there is a loss of pressure acting on the plastic flow front due to resistance and friction. In addition...
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In the process of product production, product dents and porosity is the highest frequency of bad phenomena, injected into the mold of plastic in the cooling volume contraction, the early cooling...
The maintenance procedures required for each injection molding location depend on the different mold cycle times. Here are some general principles that every mold user can use to keep mold components such...
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Injection mold cooling water leakage is often occurring for many reasons, mainly in the following areas.1. the most occurring at the joints of the cooling water pipes of the mold, if the leakage...
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The temperature of the injection molding mold has a great influence on the flow of the plastic melt, curing and shaping, production efficiency, and the shape and dimensional accuracy of the plastic parts...
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Polyphenylene sulfide, known as polyphenylene sulfide, the English name polyphenylene sulfide (PPS), is a thermoplastic engineering plastic with a benzene sulfide group on the main chain of the molecule...
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In practice, the mold temperature is set from the lowest appropriate mold temperature for the material used and then adjusted upward according to the quality condition...
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First of all, one of the most basic questions, what is the cost of the mold, some friends can answer me without thinking: mold cost is the mold material cost + processing cost + tax...
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In the molding process of transforming plastic particles into plastic products, plastic is often subjected to high temperature and pressure and flows under a high shear rate. Different molding conditions...
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As we know, the function of the main flow path, manifold, and gate are to transport the plastic melt from the injection molding machine nozzle to each cavity. Pouring system...
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Mold temperature is the most important variable in injection molding ---- No matter what kind of plastic is being injected, it must be ensured that a basic wetting of the mold...
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Several aspects that need attention to reduce the degree of wear of injection molding machine screw, Injection molding machine screw for a long time in high temperature, high pressure...
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The study of injection molding machine performance or condition gradually decreases with the time of use. Many failures are preceded by several precursors, which are called potential...
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Mold opening control.After the molten plastic is injected into the mold cavity and cooled, the mold is opened and the product is removed. The mold opening process is also divided into three...
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1. briefly describe the operating status of the check valve during plasticization, injection, and pressure-holding, Plasticizing: open, Injection: closed, Holding pressure: closed...
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Precision injection molding is based on the premise that the mold can be made to the desired size. However, even if the mold size is certain, the actual size of the product varies depending...
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1. On the machine,Due to uncontrolled heating control system, the barrel is overheated, resulting in decomposition and blackening.Due to the defect of screw or barrel, the molten material...
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