PT ZONE: Gas & Water Assist Machines
Making Parts Lightweight & Strong with New TechnologiesOne of the driving forces in technology is weight reduction. More (+)
NPE2012: The Big Picture -- Themes for Growth at the Big ShowIn our last issue we examined three big themes that will serve as the foundation of many new technology developments at NPE 2012, April 1-5 at the Orlando Convention Center: sustainability, energy efficiency, and automation. More (+)
MOST RECENT CONTENT: Gas & Water Assist Machines
Gas-Assist Technique Helps Solid Parts, Too
8/23/2011Plastics Technology
Bemis Manufacturing Co., Sheboygan Falls, Wis., a custom molder known for its expertise in coinjection, has found a way to reduce the cost of solid parts by using a well-known gas-assist molding technique—without the gas.
Injection Molding at NPE 20036/7/2010Plastics Technology
Show goers will see an electric injection machine in nearly every press maker’s booth this year, and electric/hydraulic hybrids in several.
Gas Assist Works for Thermosets and Smaller Parts, Too6/7/2010Plastics Technology
The first gas-assist injection molding process for thermosets, and the use of gas assist for molding smaller parts were two new areas explored in papers presented at the 13th International Molding Conference and Exhibit held in February in New Orleans.
New Machines & Processes Unveiled By Wittmann Battenfeld6/1/2010Plastics Technology
At an open house in Kottingbrunn, Austria, last month, Wittmann Battenfeld GmbH showed what it has been doing to make good on its pledge to reinvigorate the venerable Battenfeld name and its reputation for innovation.
ANTEC at NPE: Editors' Picks5/1/2009Plastics Technology
One of the unusual features of NPE 2009 in Chicago June 22-24 will be the first-ever concurrent presentation of the SPE ANTEC conference, by far the largest of seven conferences at McCormick Place during the show.
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OVERVIEW:
Gas & Water Assist Machines
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
» Electric Injection Molding
Learn the basics or discover more about electric injection molding.
» Plastics Conveying
Watch video, download datasheets and more in the Plastics Conveying Knowledge Center.
Product Announcements
- Bemis Molds Chair Out of 111 Recycled Coke Bottles
- 7/1/2010
- Injection and Blow Molding Combine To Mold Large, Hollow Channels
- 5/1/2009
- New Gas-Assist Components
- Gain Technologies 8/1/2008
- New Nitrogen Gas-Assist Equipment Arrives
- 3/1/2008
- Gas-Assist Controller Gets an Upgrade
- Cinpres Gas Injection Inc. 9/1/2007
