Foamed plastics are thermoplastic or thermosetting resin-based plastics with numerous tiny pores inside. Foaming is one of the most important methods of plastic processing...
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To ensure the normal operation of injection molding machines, reduce the occurrence of faults, maintain the high performance of injection molding machines, service life...
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I. What is thin-wall injection molding,Thin-wall injection molding technology is also known as thin-wall plastic injection molding technology. There are three definitions of it as follows...
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POM (also known as SAI steel, Trim). It is obtained by polymerization of formaldehyde, etc. POM-H (polyacetal homopolymer), POM-K (polyacetal copolymer) is high-density...
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Plastic parts are a large part of the child safety seat, the quality of the plastic parts determines whether they will break in the event of an accident. Child seat plastic...
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After the plastic injection molding, the plastic parts are taken out from the mold cavity, and the demolding work is generally completed at one time, no matter the single or...
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The moving parts with different thermal expansion coefficients in the hydraulic components become stuck due to the small clearance, causing malfunction, affecting the transmission...
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Visible defects on the surface of injection molded products include dark spots, gloss differences or fogged areas, and surface wrinkling or what is called orange peel. Usually...
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PET moulds are designed by 3D computer drawing, which can be matched with various domestic and foreign brand machines, and can make various kinds of blowing moulds according to...
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First, the surface of the products must be dried before injection molding if the requirements are strict. Generally, it is 70~80℃/2h for hopper drying or 80~100℃/1h for...
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Introduction: Injection molding machine is also known as injection molding machine or injection machine. It is the main molding equipment to make thermoplastic or thermosetting plastic...
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What is the development status of injection molding machine manufacturers in the industry? Although the demand for injection molding products in the market is a lot, in the...
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Injection molding machine in improper operation or improper use will also occur when a lot of failure problems, really in understanding the injection molding machine repair should have...
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I. The injection molding process can be simply expressed as follows,The previous cycle is finished - mold closure - filling - holding pressure - glue back - cooling - mold opening...
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In the maintenance of injection molding machines, we often encounter the failure to open the mold. The failure to open the mold is mainly divided into no action with pressure...
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The most important process conditions in the injection molding process are the temperature, pressure, speed and the corresponding individual action time that affect the plasticizing...
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1. Insufficient amount of material or bedding material. Adjust it moderately until the part is completely filled.2. The barrel temperature is too low. When the material temperature is low, the viscosity of the melt is larger
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The D series all-electric injection molding machine is developed by GonSon's experience in designing all-electric injection molding machines, which adopts the integrated design...
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When using injection molding machines, the possible failures of the hydraulic system of injection molding machines are various. It is the result of a combination of many factors...
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The correct formulation of the injection process is to ensure good plasticization of the plastic melt, and smooth filling, cooling, and shaping, to produce products of the required...
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The length of the screw and the injection stroke of the injection molding machine seem to be two different things at first glance, but in fact, there is a subtle "quality and quantity"...
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I. Preface,When we receive a pair of new molds needed to prove the mold, we are always eager to try out a result earlier and pray for a smooth process to avoid wasting time and...
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The plastic raw material processing process is mainly molten rubber particles, flow, shaping and cooling into finished products, is a process of heating and then cooling, but also the...
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Under the sunlight, there are streaks of pigment bands in the products This problem needs to be considered from two aspects: the physical and mechanical properties of plastic...
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The shrinkage problem of plastic parts (surface shrinkage and internal shrinkage) is caused by the defect of insufficient melt replenishment when the thicker parts are cooled. We...
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