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Double-bag infusion: Thickness gradient and pressure
Cliff Walker (Vacmobiles, Auckland, New Zealand), explains how the large pressure changes during infusion result in laminate compression and thickness variations across the part.
Read MoreAbsolute vacuum gauge
The following is an excerpt from Issue 12 of The Composites Letter, published by www.vacmobiles.com (reposted here by permission) that outlines the importance of using an absolute vacuum gauge to measure pressure levels during double-bad infusion:“Often called a precision vacuum gauge, an absolute gauge actually works the opposite way to a conventional dial type vacuum gauge.
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Double-bag infusion: 70% fiber volume?
A double vacuum-bag system and tight process control enable repeatable fiber volumes of 60 to 70 percent and improves consistency of infused laminates.
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IBEX 2010: Looking up in Louisville
A new location helps regenerate a recession-battered industry, drawing in more exhibitors and attendees than in 2009.
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Besting Big Ben: A Marvel in Makkah
Composite design makes possible the world’s largest clock and tallest clock tower.
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Thermoformable thermoplastic composites
Thermoplastic composites that can be shaped into finished parts via thermoforming are proliferating as the thermoforming process gains traction, particularly in aerospace manufacturing. The following short article and chart provide some guidance in terms of sourcing.
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Aerospace-grade compression molding
Continuous Compression Molding process produces structures 30 percent lighter than aluminum at costs that have both Airbus and Boeing sold.
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Building a bigger Big Wheel
Machining specialist scales up the 1970s icon, producing plugs and tools for an exact fiberglass replica at a Disney resort.
Read MoreMarine machining pioneer
Mollicam (Merritt Island, Fla.) was one of the first companies to bring a practical method of automated pattern construction into the marine industry.
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Cost-effective carbon composite reflector dish
Modular manufacturing method forms different dish sizes with near mirror-perfect reflective surfaces, without resort to one-off tools.
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