Articles
‘RollTrusion’ Mates Rolled Metal & Extrusion
Crosshead extrusion is the typical means of coating plastics on relatively small substrates such as wire.
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Now You Can Refurbish Twin-Screw Elements
Two suppliers of twin-screw compounding extruders announced at NPE2012 that they are now offering screw-element refurbishing services.
Read MoreBayer to Buy Arkema’s PC Sheet Business
Bayer MaterialScience, Pittsburgh, will acquire the U.S. polycarbonate sheet business of Arkema Inc., Philadelphia.
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New Way to Characterize Moldability Of Resins & Part/Tool Designs
Experienced injection molders have long known that a resin’s melt flow index (MFI), measured under very low-shear conditions, provides very little information about how it will process under many orders of magnitude higher shear in an actual mold.
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Thrifty California Processor Dries PET with 'Waste' Heat
Southern California can be a challenging environment for manufacturers, not least because of concerns about the cost and availability of electrical power.
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Achieve Process Transparency with In-Mold Cavity Sensors
In plastic injection molding, the primary objective is to manufacture dimensionally and structurally consistent parts, independent of the molding machine being used.
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Price Relief in Commodity Resins
Combination of slowed global demand, build-up in resin suppliers’ inventories, and projected drops in feedstock prices are expected to provide some price relief at least through the second quarter.
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MATERIALS AT NPE: All Market Sectors Benefit from Large Crop of New Materials
Higher-performance and easier processing PE film resins for packaging, a one-pass crosslinked PE for photovoltaic (PV) wire and cable, several higher-performing nylons and TPEs, “greener” plastics, and enhanced styrenic and PC resins are among the new materials that made their debut at the big show in Orlando, Fla., last month.
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Cooling Water: Minimize Demand by Reducing Heat Gains
In March, we introduced the subject of energy savings through cooling-water management.
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Taiwan Machine Builders Aim for Higher-End Applications
Major Taiwanese injection and blow molding and extrusion machinery OEM s plan to broaden the appeal of their brands by providing higher-end technology solutions at prices competitive with European or Japanese machines.
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New PET Stretch-Blow Machines & Applications Debut at NPE
Italian stretch-blow molding machinery builder Siapi (siapi.it) had a lot to talk about at NPE2012 last month in Orlando, Fla.
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How to Spec’ Screws & Barrels For Running Corrosive Materials
Here’s a guide to specifying screws and barrels that will last under conditions that will chew up standard equipment.
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