Injection Molding
North American Plastics Machinery Shipments Rise Again
Injection molding and extrusion machine shipments rose by double digits in the fourth quarter of 2020, marking their third straight quarter of growth.
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Precisely Managed Melt Delivery Moved into the Hot Runner
Husky says its new UltraShot injection system miniaturizes the shooting-pot concept of a traditional two-stage injection system—putting it within the mold—to create proximity to the gate that all but eliminates pressure drop.
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Molding Straighter Medical Tubes: New Hot-Runner Technology Battles Core Shift
A curvature or bowing effect in thin-wall PET blood tubes had long been accepted as the norm for the high-volume application, despite its impact on cycle time and downstream post-molding operations.
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Engel’s Wintec Brand of Injection Molding Machines Starts Distribution in Europe
The line of Chinese-made dual-platen large-scale presses, which launched in 2014, will now be available globally.
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Freudenberg Medical Adds Six Machines
The Arburg, Wittmann Battenfeld and Toyo machines installed in Baldwin Park, Calif. support component production for in-vitro diagnostic test kits.
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Diversified Plastics Installs Six Vertical Injection Molding Machines
The company added all-electric Sumitomo (SHI) Demag, Niigata and Nissei molding machines to its Minnesota facility in support of medical device customers and other manufacturers.
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Get Better at Quoting Injection Molded Parts: Part 3
Follow these detailed tips to get the jobs you want. This installment focuses on the mold and the molding machine.
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Running Cold to Hot: Tipping Point to Convert to a Hot Runner System
As the original melt-delivery system, cold runners still have their place in injection molding, but when demand for a plastic part—and required production—rise, the move to a hot runner can unlock myriad benefits.
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Overmolding Overhaul
An articulating mold and versatile auxiliary injection unit helped this molder rethink its tried-and-true approach to insert molding.
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