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  • 2004 Mercedes-Benz CLK320
    is under the hood, buried beneath a layer or two of heat-resistant plastic. All that black plastic makes for a spic-and-span appearance, but doesn't give you much of a look
  • Robomower keeps going and going and going . . .
    on end, engineers housed them in a highly weather-resistant acrylonitrile-styrene-acrylate (ASA) copolymer. The Luran S copolymer from Florham Park, N.J., protects mower inner workings while retaining its dark-green shiny surface even after years of extreme heat and rain. "The lawnmower housing
  • Thermal spray: Better performance for less
    Engineered coatings and advanced processing methods help push performance limits for metal and plastic components. Here are design guidelines and processing tips that will help extend the life or improve the aesthetics of that new design. Aerospace component with wear-resistant coating applied
  • Medical Device Link . New Resins
    , or just simple aesthetic appeal. Several materials companies have recently released new medical plastic compounds that promise important advantages for manufacturers. New medical-grade compounds that are free of bovine materials are now available from AlphaGary for extrusion and molding. According
  • ASA
    of ASA is due to the acrylic ester elastomer. ASA resins are available in natural, off white, and a broad range of standard and custom-matched colors. Base ASA resins are sold under the trade names Luran S (BASF Plastic Materials), Geloy (General Electric Plastics) and Centrex (Monsanto Chemical Co
  • AFS Castings of the Year
    ., took Casting of the Year honors for its Harley- Davidson oil tank. The tank was cast in A356-T6 aluminum via semipermanent molding; it weighs 9.25 lb and measures 14 10 8 in. The casting is better looking and increases heat resistance compared to an alternative plastic design and a multipiece
  • New resin helps make direct manufacturing practical
    performance, including ultrahigh stiffness and heat resistance. Heat-deflection temperatures of over 500 F (265 C) have been reported. NanoForm has a good combination of properties critical for direct manufacturing, says VG founder and Managing Director Volker Griessbach. Its accuracy, zero
  • Top 10 secrets for molding PC parts
    resins from The Dow Chemical Co. are heat and impact resistant. They also have good clarity and serve in a variety of ITEs such as flat-screen monitors. Calibre polycarbonate resins commonly used to build PDAs and other ITE devices can be modified to improve colorability, ignition resistance
  • Bonds that take a beating
    teak boat floor boards to a fiberglass-reinforced plastic deck withstands saltwater and heat. An important part of product design is component assembly. Mechanical fastening is the traditional joining method. But structural adhesives are becoming more widely used thanks to recent advances in materials
  • Plastics that don't wear out their welcome
    . The concepts of friction and wear are easy to understand, yet they can interrelate in complex ways within a tribological system (science concerned with interacting surfaces in relative motion including friction, wear, and lubrication). This is especially true for designs where plastic parts mate
  • Cost-conscious molding
    . A plaster model (inset) can then be produced as a design proof. Sections of the model can be color coded to indicate where design modifications are needed to accommodate the casting process. Cast ZA-12 parts have a bright, corrosion-resistant finish and need no heat treating. Specially designed
    are nonsolvent and applied robotically in precise and consistent beads onto metal, aluminum, ceramic, or plastic flange surfaces. FastGasket 5963 is a gray, one-component material with high fluid and heat resistance for sealing transaxle pans, valve covers, water pumps, radiators, and other parts

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