Articles
New TPE Lures Could ‘Change Fishing Forever’
Anglers, take note: Those fishing lures that look so colorful in the package on the store shelf have little or no appeal to fish in deep or cloudy water.
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Robots at NPE2012: Faster, Stronger, Smarter
Among the many attractions in injection molding exhibits at NPE2012 were more intelligent robots with higher speeds and payload capacities
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News in Injection Molding Control & Monitoring from NPE2012
There were also several interesting developments in injection molding control and monitoring systems at this past April’s NPE2012 exhibition in Orlando, Fla.
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New Injection Screw Breaks the Rules, But Fixes Many Molding Defects
“Revolutionary” screw design turns conventional plastication theory upside down.
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Overcoming IML’s Challenges To Reap Its Rewards
In-mold labeling has advanced dramatically over the past 20 years, but mostly in Europe. Here is what you need to know to bring IML to your operation.
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Do You Still Get Stubborn Surface Defects, Even With Sequential Valve Gating?
Sequential valve gating either eliminates or greatly reduces the flow-front collisions, and resulting knit lines, between a set of nozzles. However, there are still applications using sequential molding where a “ghost mark” or marks occurs on the part between a set or pair of nozzles and/or near the gate itself.
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Meet the World’s Largest Seven-Layer Blown Film System
Raven will process barrier blown film for energy, industrial, environmental, construction, and agricultural markets on giant new Davis-Standard seven-layer line.
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The Role of Screw Design In Efficient Extrusion Of Medical Devices
For extruders of medical tubing, screw design plays a key role in maintaining dimensional control, physical properties, and more.
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Maintenance Terms of Endearment
Look closely at your company’s mold maintenance language and formalize your approach to create a clear and concise picture—one that can be measured.
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Mission (Nearly) Impossible: Estimating Extrusion Melt Temperature
Extrusion processors often ask screw designers to estimate the output and melt temperature of a new design in the works. Projected output of a new screw can usually be estimated fairly accurately. Melt-temperature estimate, however, is another story
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Nozzle Leaks: Why They Occur, How to Detect & Fix Them
Nozzle leaks are a serious problem in injection molding. Here are some causes and remedies.
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Use MFR Cautiously with Filled Materials
If melt flow rate tests are used to evaluate the effect of processing on the average molecular weight of the polymer, the applicable rules must consider the contribution of the filler to the test result.
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