Resin Conveying
HOW TO COMPARE DRYERS? A Complex Challenge With No Simple Answers
Is one type of resin dryer faster or more energy-efficient than another? That question prompts competing claims from suppliers—but very little concrete data. When one vendor performed controlled tests to get some answers, its results, published here for the first time, prompted further debate about the difficulties of making valid comparisons and the many complex issues involved in dryer selection.
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Therapy for 'Over-Weight' Weigh-Hopper Scales
Scale performance inaccuracies are typically false-positive weights where the scale reads more material than it is actually receiving. There are steps to manage mechanical scale issues.
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Coloring on the Machine: You Can Do It Right
Coloring at the machine can offer significant cost benefits, including lower material inventory costs and improved process flexibility when compared with the cost of buying precolored resin or installing a large-capacity central blender to premix resin and color concentrate.
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Extruding Biopolymers: Packaging Reaps Cost Benefit of Going 'Green'
Plastics made from renewable carbon chains, not fossil carbon from oil or gas, are suddenly a solid commercial reality. The draw isn鈥檛 just 鈥済reen鈥 marketing, but the 鈥済reen鈥 of stable prices not linked to petrochemicals.
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NPE 2006 News Wrap-Up: Materials Handling: A Host of Refinements and Updates
NPE 2006 held no revolutionary changes in dryers, blenders, feeders, loaders, or conveying controls, but widely adopted improvements make the newest models easier to use and maintain鈥攁nd easier on the budget, too.
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What to See at NPE 2006: Materials and Parts Handling
Dryers, feeders, blenders, loaders, metal detectors, level sensors, mechanical and pneumatic conveyors, silos, bins, pumps, filters, valves, box fillers, bag dumpers, and materials-handling control systems constitute one of the biggest categories of products on display at NPE.
Read MoreNPE 2006 News Flash
Injection MoldingSimplified Hot Runners Save Time & CostA new lower-cost hot-runner alternative to valve gating is suited to less critical cosmetic applications where users need predictable and reliable gate opening but not sequential gate operation.
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All-Electric Plant Gets World-Class Results
In mid-2004, Delphi Connection Systems, part of Tier 1 automotive supplier Delphi Corp.’s Packard Electric operations, flipped the switch on a new 190,000-sq-ft, $58-million plant in Vienna Township, Ohio.
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How to Get a Handle on Materials-Handling Problems
The best way to avoid materials-handling problems is to design and install the system properly in the beginning.
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Material Handling and Drying Are a Molder's 'Central' Issue
The benefits of centralized material handling have been demonstrated for decades, yet somehow the message continues to come slowly to mid-size processors like Jackson Products Inc of St.
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