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  • Injection Molded Plastic Part Shrinkage

    The shrinkage of plastics signifies the volume contraction of polymers during the cooling step of the processing of polymers. This contraction is partly due to the difference of?density of polymers?from the melt state and the cooled, rigid state. Most of the plastic molded part shrinkage occurs i...
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  • Draft angle injection molding

    Draft angle injection molding What is the draft angle? The draft angle is the amount of taper for molded or cast parts perpendicular to the parting line. It can be measured in degrees or mm/mm (in/in). Why Draft angle injection molding? 1. Reduces the chance of damage to the part due to friction ...
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  • Injection Parts Surface Treatment Done on Mold

    For the injection parts surface finish, DML manages with three ways done on mold: Polishing surface, EDM surface and Texture surface. 1.For the polishing surface: It is relatively simple, these tools can be used: sandblasting, whetstone, sandpaper, diamond paste. 2.For the EDM surface: EDM will m...
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  • Development of automotive mold making industry

    With the increasing economic and living standards, the numbers of cars has risen. When we saw so many cars, we can realize the huge output behind the manufacturers. Behind rapid development of automotive industry is development of automotive mold making industry. The global automotive mold market...
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  • Plastic injection mold

    The Advantages of Injection Molding Injection molding brings with it a number of advantages. One is scale; it’s easy to manufacture in volume, since plastic injection molding is easier than the casting and stamping methods often used with surgical steel. The raw materials are less expensive. Comp...
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  • Mold Polishing Tips For Injection Molds

    Mold polishing is primarily a manual process requiring a high level of skill and knowledge.  There are a number of finishes available to mould makers and the final finish depends upon the plastic part requirements. Types of Finishes in Mold Polishing The most basic type of finish is a “sto...
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  • Plastic Injection Molding In The Medical Industry

    The Advantages of Injection Molding Injection molding brings with it a number of advantages. One is scale; it’s easy to manufacture in volume, since plastic injection molding is easier than the casting and stamping methods often used with surgical steel. The raw materials are less expensive. Comp...
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  • An Introduction To Hot Runner Systems In Injection Molding

    What is a hot runner injection molding system? A hot runner system delivers liquid plastic to a number of mold cavities in order to create a plastic product. It is an injection molding assembly that uses a heated manifold to keep plastic in a molten state. This heated plastic travels from the mol...
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  • Westfall Technik enhances micro-molding capabilities

    This site is operated by a business or businesses owned by Informa PLC and all copyright resides with them. Informa PLC’s registered office is 5 Howick Place, London SW1P 1WG. Registered in England and Wales. Number 8860726. Westfall Technik’s Mold Craft Tech Center (Willernie, MN) has adde...
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  • The Evolution of Moldmaking

    The Evolution of Moldmaking

    As we've progressed from revolutionary inventions such as the light bulb on to the telecommunications age of the radio, phones, and televisions, the methods of manufacturing and product design have evolved as well. Computers, the internet, sustainable power, and everythi...
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  • How To Make A Plastic Mold For Product And Parts

    How To Make A Plastic Mold For Product And Parts

    Most people within the plastics industry are familiar with creating a mold for plastic products. Or, at least have a general understanding of the process that goes into it. However, some general confusion still exists with product designers, engineers, and other professi...
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