The four stages of filling, holding pressure, cooling and demolding tell you - what is the plastic injection molding process,The plastic injection molding process mainly includes four stages...
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I. Injection mold,1. If the mold cavity processing is poor, such as scars. Micro-hole. Wear and tear. Roughness and other deficiencies will inevitably react to the plastic parts, so that the plastic parts luster...
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PC plastic injection molding process with air bubbles is very serious, in the mold design should pay attention to the problems (including the design of the product) in order to prevent the appearance of poor...
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Temperature,Temperature measurement and control are very important in injection molding. Although it is relatively easy to make these measurements, most injection molding machines do not have sufficient temperature pick-up points or lines...
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The color difference is a common defect in injection molding, and it is not uncommon to see batch scrapping of injection molding machines due to the color difference of matching parts. Many factors are affecting...
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Overflow (flying edge),Overflow, also known as flying edge, overflow edge, phi front, etc., mostly occurs in the mold score fit position. Such as the mold parting surface, the sliding part of the slider...
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There are many factors affecting the cooling of the injection mold, such as the shape of the plastic part and the design of the parting surface, the type, temperature, and flow rate of the cooling medium...
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Nowadays, the trend of processing process is developing in the direction of high technology, these technologies include: micro injection molding, high filling compound injection molding, water-assisted...
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Proportional control of injection speed has been widely adopted by injection molding machine manufacturers. Although computer-controlled injection speed segmentation control systems have...
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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 the smoothness...
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1) Inconsistent molding conditions or improper operation,When injection molding, the temperature, pressure and time, and other process parameters must be strictly controlled in accordance with the process requirements...
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The wavy pattern on plastic parts,When the dissolved plastic pushes the cured part forward due to the narrow gate or other parts, the surface will have a wavy pattern...
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A, accept the task book,Formed plastic parts task letter is usually proposed by the part designer, its content is as follows.1. the regular part drawing that has been reviewed and signed, and indicate the grade...
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The injection molding machine clamping system is very important to the injection molding machine. Here we will talk about the treatment of common problems.(A) does not lock the mold,Treatment methods...
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High-gloss and high-gloss products are indeed a more difficult product for injection molding enterprises to cope with because they cannot hide external defects, even the dust in the workshop...
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Among the relevant factors that affect precision injection molding, the mold is the key to obtaining precision plastic products that meet the quality requirements...
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An injection mold is a tool for producing plastic products; it is also a tool for giving plastic products a complete structure and precise dimensions. The structural form of the injection mold and the quality...
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Gas-assisted injection molding is a process in which high-pressure nitrogen gas is injected directly into the plastic being plasticized in the mold cavity through the main and auxiliary controllers...
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First. Solutions to the bubble phenomenon in the injection molding process,According to the causes of bubbles, the solutions are as follows.1. When the wall thickness of the product is larger...
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1. There is often gas in the injection mold, why is this? (1) The air in the casting system and mold cavity.(2) Some raw materials contain water that has not been dried out, they will vaporize into water vapor at high temperature...
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Proportional control of injection speed has been widely adopted by injection molding machine manufacturers. Although computer-controlled injection speed segmentation control systems...
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The injection mold, as the most important production tool in an injection molding factory, determines the shape, specification, size, and appearance finish of the product. The material of the mold is steel...
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Injection mold manufacturing can be roughly divided into the following steps.
First, the process analysis of plastic products.Before the mold design, the designer should fully analyze and study...
Spraying, also called spray marks and spray saliva, refers to the 65 thread-like flow lines that appear at the gate of the product, mostly appearing when the mold is a side gate. When the plastic melt...
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Plated PC/ABS parts are widely used in the automotive, home appliance, and IT industries for their beautiful metallic appearance. Material formulation design and plating process are usually considered...
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