dies
Know the Three F’s Of Profile Tooling Design
Designing an extrusion profile and ultimately the die design and sizing equipment cannot be executed successfully without a full understanding of the customer’s quality expectations or specifications.
Read MoreBest Practices for Cleaning a Flat Die and Technologies for Molding Hollow Parts
Learn step-by-step procedures to thoroughly clean a flat die and technologies for injection molding of hollow parts.
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Sheet Extrusion Line
A sheet extrusion line consists of an Extruder (single or twin screw), equipped with a Screen Changer and a Gear Pump, followed by a Static Mixer (sometimes feeding a Coextrusion Feedblock that is preceded by one or more additional extruders sets as described above), feeding a flat sheet die.
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Follow This Action Plan to Keep Your Sheet Dies in Line
Getting back into production after maintenance or troubleshooting requires a coordinated effort. Here’s how to get your sheet line up and running as fast as possible.
Read MoreExtrusion: Start Up and Shut Down Properly
A key goal during startup and shutdown of the extruder is to prevent degradation of the polymer left in the extruder and downstream components such as screen changers, adapters, and dies.
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Tooling: The Science of Profile Die Balancing
In our last column, we discussed the five things profile extruders need to know about profile die design—proper land length, land-length ratio, drawdown, considerations for sensitive materials, and decompression.
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Your Extruder's Best Friend
That's the melt pump, and its main purpose is to precisely control output to the die.
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How United Plastics Became A Quick-Change Artist
United Plastics Corp., a small profile and sheet extruder with 125 employees in Mount Airy, N.C., combines an almost unbelievably diverse product mix (it has some 5000 dies in active use) with the ability to change over individual extrusion lines four or five times a day.
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Communication Is Key in Designing Blown Film Dies
Over the years I have bought, designed, or helped design quite a number of blown film dies.
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