Injection molding is a popular manufacturing process used to produce plastic parts and components. This process involves injecting molten plastic into a mold to create a desired shape...
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One of the most headache for people who are not very experienced in the processing of two-color plastic moulds is the shrinkage phenomenon that occurs during the processing of two-color plastic moulds.
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During the production process, we often struggle to choose what kind of hot runner nozzle for bottle blast moulds. For this reason, through investigation, I learned that the factors...
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Because plastic has the advantages of a lightweight, good toughness, easy molding. Low cost and other advantages, so in modern industry and daily-use products, more and more use of plastic...
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Temperature measurement and control are very important in injection molding. Although it is relatively simple to make these measurements, most injection molding machines do not have adequate...
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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 melt rupture phenomenon, at this time, the melt surface...
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The two most important processes of two-color injection molding are filling and pressure-holding, below, we will tell you how to control the pressure in two-color injection molding...
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1. Difficult to take off the material from the sprue,During the injection process, the sprue sticks in the sprue sleeve and is not easy to be taken off. When the mold is opened, the product...
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Plastic product design: mainly the wall thickness of plastic products. The greater the thickness of the product, the longer the cooling time. Generally speaking, the cooling time is proportional...
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Principle,This process adopts resist transfer ink, screen printing decorative pattern on decal paper, transferring the decorative pattern ink to the mold by the lamination method...
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Precision injection molding is characterized by,The dimensions of injection molded parts require high precision and small tolerance.To achieve the requirements of precision injection molding...
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Some plastic parts are swollen or blistered on the back of the metal insert or in particularly thick parts soon after molding and demolding. This is because the plastic not completely cooled...
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Purpose: To establish the criteria for approving molds from three aspects: mold structure, quality of rubber parts and requirements of injection molding process, according to which...
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A, injection molding machine temperature rise too high reasons,(1) The volume of the oil tank is too small, the cooling area is not enough, the cooling device but its capacity is too small.
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A, grinding and polishing before preparation,1, grinding and polishing personnel must be trained and qualified by the examination to obtain an induction certificate before starting work.
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Reasons for gas generation during product manufacturing,1). The material in the feeding system is entrained with gas or the original air in the cavity, and the gas in the runner...
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Temperature measurement and control are very important in injection molding. Although it is relatively simple to make these measurements, most injection molding machines do not have...
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Gas-Assisted Injection Molding (GRIM) is a new type of injection molding process that has been widely used abroad in recent years and is increasingly used in China.
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People use high-speed injection molding machines mostly to shorten the injection cycle and improve production efficiency. However, the slippage of the injection molding machine screw is...
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1.Insufficient or uneven cooling,In not completely cooled ejected, the ejector rod thrust often deforms the molded parts, so not fully cooled on the forced release will produce deformation.
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Modified plastics are better than general-purpose plastics in terms of flame retardancy, strength, impact resistance, toughness and other properties, and have a wide range of downstream applications...
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Plasticizing components of the injection molding machine here refer to screw, melt cylinder, over rubber head, over rubber ring, over rubber washer.When the injection molding machine is working...
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Product seam marks are usually caused by low temperature and low pressure at the seam line.1、Temperature problem, 1). The temperature of the barrel is too low,2). Nozzle temperature is too low.
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I. What is bad gate cutting? It is a phenomenon that the gate connecting the molded products, main flow channel and manifold is not easily cut off when using point gate and other moldings...
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The pump is the "heart" of all hydraulic systems. So any time there is a problem with the hydraulic system, the problem is often blamed on the pump.In fact, as far as the cause of pump damage is concerned...
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