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Influence of mold temperature on injection molded products
Influence of Mold Temperature on Injection Molded Products Posted on : Aug 10 , 2022 By GREFEE The mold temperature is an important variable in the injection molding. No matter what kind of plastic injection molding, It must be ensured that the surface of the forming mold is basically wet. A hot mold surface render the plastic surface in a liquid status for a long period of time, and is fully enough to produce pressure inside the cavity. If the cavity…
Cause analysis of short shots of injection molded products
Cause analysis of short shots of injection molded products Posted on : Oct 11 , 2022 By GREFEE Short shot indicates underfeeding and the products is insufficiently filled, during which the end of the material flows is incomplete or Part of the multi cavity is not fully filled, especially in the thin-walled area or the end area of the flow path. It is presented that the melt condenses before the mold cavity is fully filled, and the cavity is not completely…
Precision injection molding of automotive plastic parts
Precision injection molding of automotive plastic parts Posted on : July 26 , 2022 By GREFEE Automotive plastic parts, such as coil frame, base, fuse box, lamp holder, chip fuse, central distribution box, sheath, push frame, reed row components and housing, are mostly produced by injection molding. Since these plastic parts have a higher requirement in terms of the designing accuracy, the automotive plastic parts suppliers cannot adopt ordinary plastic parts molding method, but to choose precision injection molding processing….
Properties of clear plastics and injection molding process
Properties of clear plastics and injection molding process Posted on : Aug 12, 2022 By GREFEE Due to multiple advantages of plastic, such as light weight, great rigidity, simple molding, low cost and other aspects, clear plastic molding has been replacing the role of glass in the modern industry and daily used goods, especially the application in optical instruments and plastic bottle packaging industry, which is developed rapidly. Since the clear plastic are required to be of high transparency and wear…
Methods to Solve the PC Injection Molding Issues
Methods to Solve the PC Injection Molding Issues Posted on : Aug 2 , 2022 By GREFEE There are many factors which affect the quality of PC products in different aspects. As long as you grasped the following factors, the quality issues can be improved significantly. Raw material The material used for injection is the transparent and colorless aggregate. Some of them are colored in mild yellow. The relative molecular weight is 2.3 × 10,000 · 3.2 × 10,000. Before…
What should be paid attention to in CNC machining
What should be paid attention to in CNC machining of magnesium alloy parts? Posted on : July 15 , 2022 By GREFEE Definition of magnesium alloy Magnesium alloy is an alloy based on magnesium and also includes other elements, which has high strength, large elastic modulus, good heat dissipation and shock absorption, greater impact load bearing capacity than aluminum alloy, and excellent resistance to organic and alkali corrosion. CNC machining service of GREFEE metal cnc Main application industry of magnesium…
Material selection of the injection molding automotive parts
Material selection of the injection molding automotive parts Posted on : July 18 , 2022 By GREFEE Jump to Section >>General plastic >>Engineering plastics >>Special plastics The raw material has a broad range, which is divided into the interior, exterior and functional parts in terms of the automotive plastic injection molding parts. The plastic is classified into three types, general plastics, engineering plastics and special plastics according to the various properties. General plastic It generally refers to plastics with large production…
PC Injection molding process and screw selection
PC Injection Molding Process and Screw Selection Posted on : July 21 , 2022 By GREFEE The PC material has high strength, good transparency, low molding shrinkage rate, and high process ability, which is widely used in electronic devices and industrial parts fields. PC materials has excellent features with high transparency and impact rigidity, and deformation resistance, wide using temperature range. PC injection molding products are being used a broad range of products since it provides remarkable aesthetic value and…
Precision injection molding solutions
Precision injection molding solutions Posted on : Aug 15 , 2022 By GREFEE What is precision injection molding? The high precision injection molding refers to an injection molding method of which the dimensional repetition accuracy of the injection molding parts is very high, resulting in hard to achieve the requirements with general injection molding machine and ordinary injection molding processing. What distinguishes the high precision injection molding from the ordinary injection molding is that the technology of using precision plastic parts…
Issues in Processing Large Scale Injection Molding Mold
Issues in Processing Large Scale Injection Molding Mold Posted on : July 25 , 2022 By GREFEE Nowadays, the demand for large-scale injection molding mold is increasing. From the flat screen TV to car dashboard, the designer always seeking the improvements in the dimension and complexity of the mold making. However, not every manufacturer can make large scale injection molding mold as it includes many difficulties and is hard to process. Issues of large scale injection molding mold The shapes…
Process and Characteristics of Precision Mold Processing
Process and Characteristics of Precision Mold Processing Posted on : July 27 , 2022 By GREFEE If you are looking for high precision injection molding, you need a set of the high precision mold. The high precision mold suppliers generally can meet your processing requirements. Before this, you need to communicate about the project to provide the drawing to the suppliers. A set of mold is composed of multiple components and the quality is directly related to the mold quality. The…
How design plays an effect role in improving the quality of zinc alloy casting
How Design Plays an Effect Role in Improving the Quality of Zinc Alloy Casting Posted on : July 11 , 2022 By GREFEE Zinc alloy die casting molds are important process equipments in the zinc alloy die casting production. During the production, the liquid metal solidified in the die casting molds and finally being formed into the zinc alloy die casting parts. Its shapes, dimensions, quality and efficiency are all related to the die casting molds. Thus, a proper design is…