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Pultrusion2008-1-3 9:30:56
Pultrusion is a continuous method of manufacturing various reinforced plastic shapes of uniform cross sections. Glass reinforcements, such as unidirectional rovings or multi-directional glass fiber mat, are guided through a liquid resin bath to thoroughly wet every fiber. The reinforcements are then guided and formed, or shaped, into the profile to be produced before entering a die. As the materia
Pulshaping2008-1-3 9:28:47
One of the greatest limitations of the pultrusion process is its inability to permit the manufacture of fiber reinforced plastics of varying cross-sections in the axial direction. Pulshaping is a revolutionary new technique developed by Pultrusion Dynamics, Inc that allows changes in shape in a pultrusion.
Hand Lay-Up2008-1-3 9:27:34
Hand lay-up is the simplest and oldest open molding method of the composite fabrication processes. It is a low volume, labor intensive method suited especially for large components, such as boat hulls. Glass or other reinforcing mat or woven fabric or roving is positioned manually in the open mold, and resin is poured, brushed, or sprayed over and into the glass plies. Entrapped air is removed man
Long-Fiber Pellets Come Fully Loaded2007-12-28 9:06:03
The Complet line of long-fiber reinforced thermoplastic (LFRT) pellets from PlastiComp LLC, Winona, Minn., now is available with color, impact modifier, and/or other additives. This "single-pellet" solution eliminates the need to blend in color or additive masterbatches and the subsequent risk of the blend segregating during transport and conveying. PlastiComp offers pellets with lengths
These aren’t your grandparents’ wheelchairs2007-12-28 8:42:03
Forget about transportation—these chairs are built for combat.Vesco Metal Craft, a manufacturer of rugby wheelchairs, makes specialized wheelchairs from 6061 seamless aluminum tubing. This violent, collision-oriented sport causes cracks in the welds’ heat-affected zone, so the company sought better manufacturing methods. It added heat-treating to its process and switched to an inverter
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