PT ZONE: Gas & Water Assist Machines

MATERIALS: High-Temperature Purging Compounds for 'Super' Engineering Resins
Sun Plastech has launched new compounds for purging "super-engineering resins" from molding and extrusion machines. More (+)
INJECTION MOLDING: Mold Simulation Software Gains Speed and New Functionality
It's faster, easier to use, and supports more sophisticated modeling. More (+)


MOST RECENT CONTENT: Gas & Water Assist Machines

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Super-flexible lab development machine is equipped for a wide range of processes.

Custom Structural Foam: A Small But Thriving Niche

How to succeed in the small but busy world of custom structural foam? Maximize your pounds per hour and use robots.

Injection Molding at K 2013: Doing More with Less

More productivity with less energy consumption and capital investment; more operations in the machine or manufacturing cell with less time, labor, energy, and capital—these were the common themes of injection molding exhibits at October’s K 2013 show.

K 2013 Preview: Injection Molding

Next month’s mammoth triennial plastics show in Düsseldorf, Germany, challenges injection molding machine builders to demonstrate technological leadership in addressing the needs of the marketplace.

Higher Speeds, More Integrated Processes at K Show

“Go faster” and “integrate more functions” look to be the guiding principles of new injection molding developments to be shown by Engel Austria at K 2013 in Dusseldorf this October.

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OVERVIEW:
Gas & Water Assist Machines

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Gas assist injection molding is process by which nitrogen is injected into the mold to create a hollow channel within a part. Among the reported benefirts are lower part weights and material costs and faster cycles. Water-assisted injection molding is a newer to mold hollow or partly hollow parts. It’s basically similar to gas-assist molding as a means to core out thick sections. But water-injection technology (WIT) comes with a big advantage: direct cooling inside the part


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