Injection Molding
Your Business Outlook - January 2009
Domestic output of injection molded packaging decreased by 6% in 2008, and the decline accelerated as the year ended.
Read MoreGet a Grip on Screw Slippage
Screw slippage occurs when the screw in the barrel of the injection machine has difficulty picking up material from the feed throat or is unable to develop enough tack to convey the material down the length of the barrel.
Read MoreInjection Molding: Taiwan Machine Builders Focus on All-Electrics, Hybrids and IML
There was a brand-new emphasis at this year’s Taipei Plas, the premier plastics exhibition for Taiwanese injection machine builders.
Read MoreUnbalanced? No Shortage of Ways to Fix Uneven Filling of Multi-Cavity Molds
The accepted ground rule for balancing melt flow in multi-cavity injection molds is to achieve equal flow distance from the injection point to each cavity.
Read MoreNovel Ejector System Eliminates Plates and Pins
Injection mold cost savings, greater molding productivity, and better part quality are promised for a new ejection system that does away with conventional ejector plates, housings, pins, and risers. This approach is said to reduce mold height, shorten mold-open times by at least 10%, enable better optimization of mold cooling鈥攏ot to mention eliminating ejector marks on parts.
Read MoreHow IML ‘Cuts the Mustard’ in Germany
The lightweighting advantages of in-mold labeling in times of soaring resin costs are highlighted by the experience of Germany’s largest mustard maker.
Read MoreNew Light on How to Optimize Properties of Microcellular Foams
With the growing popularity of thermoplastic microcellular foams (such as those produced by the MuCell process of Trexel Inc.) comes increased need to understand how to optimize foam properties through appropriate foam structure.
Read MoreHusky to De-Emphasize Large-Tonnage Machines
Husky Injection Molding Systems Ltd., Bolton, Ont., says it will de-emphasize production of large injection presses in order to concentrate on its core packaging markets, including PET preforms, closures, and thin-wall products.
Read MoreRapid Tooling “Grows” Profits At Linear Mold
Rapid manufacturing technologies tend to be focused primarily on making prototype and sometimes production parts.
Read MoreMolding Simulation: New Frontiers in Process Prediction
Software suppliers agree that 3D simulation of injection mold filling, packing, cooling, shrinkage, and warpage is fairly mature.
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