Metal Stiff Panel

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• More metal parts go to composites
  metal parts go to composites. October 23, 2003. Jean M. Hoffman. Stiff and stable composites are competing for duty in semiconductor applications traditionally handled by metals and ceramics. Printer-friendly version. A precision five-axis edge grip robot from Brooks Automation Inc., Chelmsford, Mass...
• Give glue a go
  polyoelfins (polyethylene and polypropylene) when combined with surface treatments. Epoxies and acrylics are good, but can be too stiff for low modulus materials such as the polyoelfins. Other adhesive chemistries work well as a "modulus bridge" between softer plastics and stiffer substrates when...
• Better Injection Molding Through Bubbles
  with little property loss. * MuCell can cut down on cycle time, press requirements, and quality problems. Gas-Assist Molding: Not Just for Hollow Parts ," MACHINE DESIGN, Aug. 9, 2001 Low-Pressure Molding Offers Stiff Competition ," MACHINE DESIGN, Feb. 5, 2004 Part weight might drive the life-cycle cost...
• RIM goes bumper to bumper
  or mineral reinforcement added to the polyol blend leads to RIM parts with better stiffness and heat performance. Lowviscosity formulations injected into molds containing glass mats or preforms produce stiff, high-strength composite RIM (SRIM) parts. New materials and processes. Engineers have developed...
• Paintless parts
  glass-transition temperature of Lexan SLX resin prevents the appliqué from significantly stretching during injection molding. The stiff nature of the film also facilitates robotic handling. Like many engineering thermoplastics, Lexan SLX films need to dry prior to thermoforming to remove moisture...
• 2000 Chevy Impala LS -- what's in a name?
  colleagues drove. While it's a good idea that Chevy engineers raised the rear seat to make passengers feel a part of the overall driving experience, they should have made the seats more comfortable. There was plenty of legroom, but the upright, stiff positioning of the seatbacks managed to give me a backache...
• Polyurethane
  reaction-injection molding (RRIM) is about 25% - a limit determined by the increased viscosity with increasing glass. Natural color of unpigmented RIM urethane parts is tan. Flexible foams: Glass-transition temperatures (the temperature at which an elastomeric material becomes stiff and brittle...
• Raising ROI with Reconfigurable Conveyors (.pdf)
  are replacing metal conveyors in many applications. Plastic flexes while steel remains stiff. If a plastic conveyor is. damaged, only the broken pieces need replacement, not the entire. conveyor. "The modular conveyor systems enable us to get our blow-molded. "Productivity is. products to the packers...
• Smart Computing Article - Getting To Know Networks
  for cable television. Coax is a copper wire center surrounded by a screen of fine braided wire, then coated in plastic. It offers substantial protection from electromagnetic interference. The downside to coax is that it's expensive, stiff, fat, and hard to run through walls. It's also finicky about kinks...

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