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  • Dynamic Group tackles medical molding challenges

    Fri, Feb 24, 2017

    Every end market has unique challenges for plastics processors, but none more so than the medical industry. To earn new business, an injection molder must commit presses, auxiliary equipment, robots and even production staff to a project that might get delayed due to regulatory issues or early sales... [more]

  • Q&A: Doing what comes naturally

    Issue: February 2017

    Werner Wittmann, founder and president of Wittmann Kunststoffgeräte GmbH, Vienna, is a machinery aficionado who loves to think about ways to produce equipment more efficiently. He is a tinkerer, a thinker and a man continuing a journey that started in 1976. At age 76, Wittmann certainly has no plans... [more]

  • Specialized tooling enhances presses for medical, packaging

    Issue: February 2017

    At the K show, three makers of injection molding machines unveiled innovative ways to integrate their machines with specialized tooling for medical and consumer packaging applications. One process from Dr. Boy GmbH & Co. KG combines injection molding and blow molding in the same machine to produce... [more]

  • European firms announce advances in LSR equipment

    Issue: February 2017

    Two European suppliers of equipment to produce parts made from liquid silicone rubber (LSR) rolled out developments during the K show that focus on convenience and flexibility. NEW SOURCE FOR TURNKEY LSR LINES Nexus Automation GmbH, Eberstalzell, Austria, now offers turnkey manufacturing cells for processing... [more]

  • Sidebar: LSR applications at K show

    Issue: February 2017

    Several suppliers of injection molding machinery demonstrated liquid silicone rubber (LSR) molding in their K show booths. Here are a few of the applications. Arburg GmbH + Co. KG Arburg GmbH + Co. KG, Lossburg, Germany, enlisted its Allrounder 570 A electric injection press in a two-component configuration... [more]

  • Latest Uniloy machines standardize portfolio

    Issue: February 2017

    Uniloy, Milacron’s blow molding brand based in Tecumseh, Mich., introduced the first model of its new M-Series, the third generation of its all-electric shuttle blow molding machines, at the K show. The entire series will be rolled out over the next 18 months, said David Skala, president of Uniloy... [more]

  • Companies elevate blown film technology

    Issue: February 2017

    Blown film extrusion technology reached new heights during the K show. Key themes were better-performing films, technologies that allow for shorter production runs and improved cooling. The extrusion section of the 13-layer, triple-bubble extrusion line from Kuhne. Several companies that couldn’t... [more]

  • Additive manufacturing capabilities, material options grow

    Issue: February 2017

    Additive manufacturing machines that can handle bigger runs and engineering-grade materials dominated the K show and formnext, an additive manufacturing show held last November in Frankfurt, Germany. BASF has installed a Farsoon printer as part of a joint development program. At formnext, Farsoon Technologies,... [more]

  • 'Smart glasses' are potential hands-free maintenance tool

    Issue: February 2017

    Can “smart glasses” worn by maintenance personnel provide a hands-free mode of gathering information for troubleshooting plastics processing machinery? That futuristic scenario is a distinct possibility, as Sacmi Imola S.C., Imola, Italy, demonstrated at the K show. {$m[1]}.StripParagraphs(trim($m[2])).{$m[3]}... [more]

  • Firms take on tough scrap, smells

    Issue: February 2017

    At the K show, Next Generation Recyclingmaschinen GmbH, Feldkirchen, Austria, and Kuhne GmbH, Sankt Augustin, Germany, introduced the P:Sheet system, which shreds PET waste, converts it into polymer melt and then extrudes it into sheet. NGR’s Michael Heinzlreiter with P:React at the K show The... [more]

Process section of Coperion's twin screw extruder ZSK
The process section of ZSK twin screw extruders is designed as a modular system. It consists of several barrels in which the co-rotating screws operate. The barrels and screw elements are configured individually to the applications. Different process zones are created for conveying, plasticizing, mixing and shearing, homogenizing, devolatilizing and pressure build-up.