Sheet Extrusion
Stop Black Specks!
Black specks in film or sheet–especially in light-colored or clear plastics–lead to scrap, unscheduled shutdowns, and dissatisfied customers.
Read MoreAmputations and Dust Hazards Draw OSHA's Attention
Last month, the Society of the Plastics Industry, Washington, D.C., alerted members to two new occupational safety initiatives by federal agencies.
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Novel Vacuum Calibrators Raise Sheet Output and Quality
Flat vacuum-calibrator plates, typically used to extrude hollow profile sheet, are showing up in new forms and new uses.
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NPE 2006 News Wrap-Up: Extrusion
NPE 2006 presented a bevy of features to make film, sheet, pipe, and profile extrusion more efficient.
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What to See at NPE 2006: Extrusion
The new factor in extrusion machinery at this NPE is the influx of Asian suppliers.
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A Relic of Plastics’ Rough and Ready Days
In 1955, Allied Resins and Allied Resinous Products were prosperous, creative compounding and extrusion operations, respectively, situated across the street from each other in Conneaut, Ohio.
Read More50 Ideas That Changed Plastics
Very few readers of this issue can remember, or even imagine, what it was like when an injection molding machine did not have a screw, but only a smooth-bore plunger.
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Fix Thickness Variations in Extruded Sheet
Non-uniform thickness in extruded sheet is a serious problem.
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K 2004 Extrusion: Outputs Rise, Downstream Units Gain Flexibility
The show was packed with new equipment for pipe and profile, including extruders redesigned for higher outputs and/or lower cost, plus new ways to adjust die and calibrator diameters or switch dies and calibrators more quickly.
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