I. Injection mold, 1). If the mold cavity processing is poor, such as scars, microporous, wear, roughness, and other deficiencies, will inevitably react to the plastic parts...
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1. Colorant quality does not meet the use requirements,The performance of the coloring agent is directly related to the color quality of plastic parts after molding. If the...
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The application of plastic parts is becoming more and more widespread, from simple tableware, kitchenware to complex mechanical parts, electronic products shells, etc. are used...
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Before injection molding, a new mold, or when the machine is replaced by another mold for production, mold trial is an essential part. The result of the mold trial will directly affect...
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1. Guide column damage,The guide pillar mainly plays a guiding role in the mold to ensure that the molding surfaces of the core and cavity do not touch each other under any circumstances...
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Dimensional instability refers to the change in the size of plastic parts between each batch of molded products or between each cavity of molded products produced by each mold under...
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The influence of the nature of inorganic mineral fillers on plastic products is multifaceted, including physical and chemical composition and properties, particle size and distribution...
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For hygroscopic materials (such as nylon), high resin moisture content can also cause screw slippage. Improper drying can significantly reduce the viscosity of the material and cause...
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Compared with other moulds, injection moulds are more complex and precise in structure, so the requirements for operation and maintenance of products are also higher.
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The automotive bumper is one of the larger trim parts of the car, which has three main functions: safety, functionality, and decoration.There are three main ways to achieve the light-weighting...
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When the ejector pin action of the hydraulic injection molding machine is abnormal, we can check and troubleshoot one by one for the following reasons: first of all, you...
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The close relationship between injection speed and product quality makes it a key parameter in injection molding. By defining the beginning, middle, and end of the filling speed segment...
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I. Drawing mold diagram,Before drawing the general assembly diagram of the mold, the process diagram should be drawn, and it should meet the requirements of the part drawing and process...
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Injection molding is to inject molten plastic under high pressure through the nozzle into the closed mold with low temperature and molding. Both thermoplastic and thermosetting...
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I, two unfavorable temperature conditions to solve the problem of shrinkage
(1) The mold temperature is too low is not conducive to solving the problem of shrinkage ,Hard plastic parts...
1.When the machine is first started, the product runs phi (flying edge), and after a period of production, the product lacks glue causes and solutions.
The melted glue in the...
The cavity and core are three-dimensional surfaces.The external and internal shapes of plastic parts are directly shaped by cavities and cores, these complex three-dimensional surface...
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The good or bad of the hydraulic system of injection molding machine depends not only on the rationality of the system design and the performance of the system components but...
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Mold opening is the most prone to vibration, and vibration has a greater impact on the life and stability of the machine, so please note the following when adjusting mold opening and...
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①The oil circuit system needs to use a proportional pressure valve, proportional flow valve, or closed-loop variable pump system.The hydraulic system of the injection molding machine needs...
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The design of the gate is related to the size of the molded part. The shape of the mold structure, the injection process conditions and the performance of the molded part are all...
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Some plastics already have good abrasion resistance and can be improved by adding various abrasion-resistant additives. These additives like PTFE, molybdenum disulfide, graphite...
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Is machine action a function of pressure or flow rate? What is the relationship between them? The movement of the machine itself is to overcome the resistance of the movement...
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In injection production, the cooling time of plastic injection molded parts accounts for about 80% of the whole injection production cycle. Poor cooling often leads to warping...
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We provide a complete configuration system so that users can choose the right machine according to their requirements!With the intelligence of society, people's demand for products...
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