plastic extrusion Articles

  • Drying plastic resin pellets in injection- Molding & Extrusion processes case study

    Application Moisture concentrations are measured in the dry purge air used to remove moisture from a hopper containing plastic resin pellets used in injection-molding and extrusion processes. Problem Moisture contaminates the plastic resin pellets causing several quality problems in the finished plastic products. Moisture causes clear ...

  • Screen classifying cutters meet productivity needs of extrusion and thermoforming lines

    A major plastics thermoformer, whose operations include sheet extrusion and calendering, installed 20 screen classifying cutters from Munson Machinery Co. Inc., Utica, NY, to assure efficient granulation and sizing of its process scrap. It is essential that the cutters work to full ...

  • Plastics case study - Acro

    Smart Elbow® solves plastics problem Subject ACRO Extrusion Corporation's Wilmington, DE plant. Situation Stainless steel sweep elbows were wearing through at ACRO Extrusion Corporation, causing considerable downtime, product loss, and maintenance expense. The sweep elbows in their pneumatic conveying system were ...


    By HammerTek Corporation

  • Time is of the essence in plastics

    Introduction Determining the moisture content in plastics is an important step in the extrusion and molding process of many industrial resins.  Excessive moisture content can lead to microscopic steam pockets that can blister or weaken the integrity of the molded product.  Plastic pellets in a saturated or ‘wet’ state can also mislead buyers of bulk plastic since ...


    By Arizona Instrument LLC

  • Difficult Ejection - Plastic Injection Molding Defects

    Difficult Ejection The plastic injection parts stick to the molds, making it rather difficult for ejection.There are mainly following causes: Reason For Difficult Ejection 1)Shooting Technique *Too much injection materials *Overhigh injection pressure, overlarge dwell pressure and overlong dwell ...


    By Focare Mould Co.,Ltd.

  • The future of plastics - Is there a solution to this huge waste management problem?

    Plastic - it has become the cornerstone of our modern life style, and one of the most challenging global waste management problems. So beneficial in countless ways, this nearly indestructible material is littering our environment on land and sea. Difficult to recycle, as post-consumer waste, and hard to break down, plastic in its many forms has become a serious environment problem. But solutions ...


    By GLOBE SERIES

  • Upgrading of plastics with TITECH autosort 4 at Balsamo Reciclagem, Brazil - Case Study

    OVERVIEW Balsamo Reciclagem upgraded its plant with the installation of the innovative AUTOSORT optical sorter. Thanks to this equipment, the company managed to increase material processing speed and amount, boost productivity, offers a wider range of products and reduces operational and maintenance ...


    By TOMRA Sorting GmbH.

  • A world first for plastic sorting thanks to TOMRA Sorting UK

    Overview In late 2010, ECO Plastics issued TOMRA Sorting UK (TOMRA) with one of the most demanding sorting challenges it had ever encountered. In order to supply a large independent bottler with recycled plastic for all its plastic packaging in the UK, ECO Plastics needed to provide a consistent supply of super-clean recycled PET (rPET) flakes to a level that had never been achieved before. ...


    By TOMRA Sorting GmbH.

  • Plastics pellet manufacturer eliminates blend problems with uniquely designed rotary blender

    Having no internal moving elements, blender achieves 100% discharge eliminating process problems. To remain competitive in a widening world economy, manufacturers have to provide quality products at world market competitive prices. This has forced American manufacturers to rethink their approach to manufacturing. Particularly, rethink the cost effectiveness of their ...

  • Circular economy: CEDO gives plastics a genuine second chance - Case Study

    Blown films are highly demanding products, and consequently the use of recycled material in their production represents a major challenge. Impurities in the feed material necessarily lead to production faults that can range from specks and minor defects in the tubular film through to production stoppages. Nevertheless, the CeDo Group, which is based in the English town of Telford and is regarded ...


    By Lindner-Recyclingtech GmbH

  • Sorting of PET flake by material & color simultaneously at ECO Plastics, UK case study

    In late 2010, ECO Plastics issued TOMRA Sorting UK with one of the most demanding sorting challenges it had ever encountered. In order to supply a large independent bottler with recycled ...


    By TOMRA Sorting GmbH.

  • World`s Largest Pipe Contract Awarded to Fabricated Plastics for Expansion of Petrochemical Complex in Texas

    When Fabricated Plastics Limited of Maple, Ont., was given the contract to supply all the piping required for the expansion of a plastics resin plant in southern Texas, it proved to be the largest single pipe contract ever awarded. In terms of variety of pipe and chemical service requirements, it was also one of the most complicated and demanding, with different molded laminates and pipe lining ...


    By Fabricated Plastics Limited

  • Plastic materials used in one of the world`s most sophisticated laboratories located under two kilometers of rock and solid granite in the Canadian Shield

    When the Sudbury Neutrino Observatory [SNO] approached Fabricated Plastics Limited of Maple, (Toronto) Ontario, Canada, to design, manufacture and install two heavy water storage tanks and specially manufactured piping materials, the request was accompanied by a daunting list of limitations, unusual material , specifications, installation problems, and seemingly impossible engineering ...


    By Fabricated Plastics Limited

  • MAS Introduces Filter Innovation

    Our partner MAS has recently attracted attention for a range of technical innovations in extrusion and plastic recycling technology, including the co-rotational conical twin screw extruder and a waterless cleaning system for film flakes. This ...


    By eFACTOR3 LLC

  • Using Geosynthetics in Slope Stability

    The majority of slope failures within the geosynthetics industry can often be avoided with proper engineering and material selection. However, the factors that affect slope stability can be difficult to discern and measure. Soil thickness, seepage forces, seismic forces, gas uplift, geomembrane texturing, engineering and provision of reinforcing elements are only a few of the factors affecting ...


    By Agru America, Inc.

  • Ultrasonic Cleaning of Wire, Rod and Strip

    Ultrasonic Wire Cleaning Hielscher ultrasonics offers ultrasonic inline cleaning systems. This is an environmentally friendly alternative for the cleaning of continuous materials, such as wire and cable, tape or tubes. The effect of the cavitation ...


    By Hielscher Ultrasonics GmbH

  • Mondi local enterprise development - case study 2008

    The city of Swiecie in Northern Poland has a population of 27,000, and another 100,000 people live within 30 kilometers. At 24%, the region’s high unemployment rate is a major concern for local residents. The 1990s saw the downsizing or closure of several large companies. No new large-scale investments creating local employment have beenrealized. The city is a regional center for forest product ...

  • Evolve Polymers, Uk - Case Study

    A world first for plastic sorting thanks to TOMRA Sorting OVERVIEW Even to the trained eye it is impossible to tell the difference between a clear PVC and PET flake, so when Evolve Polymers challenged TOMRA to sort the 'impossible' to a new level of purity, the foundations were laid for a partnership that would result in a world first for plastics ...


    By TOMRA Sorting GmbH.

  • Point of generation chopping

    Pressure to reduce costs and the ups and (recent) downs of the economy are forcing manufacturers in all industries to implement lean manufacturing principles, a process designed to reduce costs while delivering high quality products within a shorter lead-time. Lean manufacturing principles can also help reduce the waste that costs small and large companies thousands of dollars each year. Sweed ...


    By Sweed Machinery, Inc.

  • China EPS foam recycling situation and technology progress

    China EPS foam recycling situation and technology progress In recent years, EPS (expanded polystyrene) foam recycling are attention by relevant departments, regulatory guidance and policy support were introduced. From the whole, made our EPS foam recycling was no small accomplishment. Following several EPS foam recycling technology to achieve the degree of ...

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