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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At present, the reliance on equipment in the industry is still very large, because of the increasing number of injection molding products, so many manufacturers believe that injection...
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Any product used for a long time, there will be a certain amount of wear and tear, so it will affect the efficiency of the work, have an understanding of the injection molding...
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Nowadays, we should not be unfamiliar with injection molding machines, it can be divided into many types according to the different functions. Widely used in electromechanical...
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Cracking, including the surface of the parts filamentary cracks, microcrack, top white, cracking and due to the parts sticky mold, runner sticky mold and caused or trauma crisis...
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Most of the injection molds are made of tool steel, and they are exposed to corrosive gases, water, and other substances that cause rusting in their work. The plastic parts...
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1. Processing of plastic,Because PET macromolecule contains lipid group, has a certain hydrophilic, granules at high temperature is more sensitive to water, when the moisture content...
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The application of plastic parts is becoming more and more extensive, from simple tableware. kitchenware to complex mechanical parts. However, for plastic parts with high...
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1. Check for rust or moisture at the air vents,If you find rust or moisture near the hot runner vent, it means internal condensation or possibly a broken water pipe. Humidity can cause...
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1. Treatment of plastic,As PET macromolecules contain lipid groups, with a certain hydrophilic, granules at high temperatures are more sensitive to water, when the water content exceeds...
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The maintenance of plastic bottle cap moulds is a useful measure to ensure the normal operation of the injection moulds. The maintenance of the equipment mainly includes finishing...
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The application of bottle blast mould is more extensive, its has high quality, energy saving, high efficiency, long service life and other characteristics, let more and more...
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Weld Lines, among the many defects of injection molded products, are the most common, except for a few injections molded parts with very simple geometry.The melt marks not only...
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I. Shrinkage rate,Thermoplastic molding shrinkage form and calculation as described earlier, the factors affecting the shrinkage of thermoplastic molding are as follows...
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1. The processing enterprise should firstly equip each pair of molds with a resume card to record and count its use, care (lubrication, cleaning, rust prevention), and damage in detail...
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