Vortex rocket engine reaps the whirlwind04-Dec-2012 13:29 GMT
Lightweight combustion chamber walls stay cool because hot-burning propellant remains confined to a central cyclone
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Advanced out-of-autoclave composites process accelerates curing, enhances adhesion of fasteners
25-Oct-2012 19:11 GMT
A new IR-assisted advanced out-of-autoclave (OOA) process from Kubota Research Associates reportedly enhances adhesion properties and “significantly” accelerates the curing speed of thermoset resin systems for installing adhesive bonded fasteners onto composite fuselage and metal structures.
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Boeing gets 787 interior ‘right first time’
22-Oct-2012 20:16 GMT
To achieve "right first time” successes, the Boeing Interiors group departed from the norm and used an automotive tool to reduce installation times from 3500 to 232 h on the 787.
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GM tools up for high-volume aluminum structures with new welding technology
24-Sep-2012 14:46 GMT
The process centers on a new electrode-tip design. It will enable GM’s global body shops to spot-weld virtually any combination of aluminum sheet, extrusions, and castings at higher production rates than are currently used in automotive aluminum-structures manufacturing.
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Advantages of additive manufacturing begin to add up
04-Sep-2012 18:18 GMT
Metal-based, powder-bed additive manufacturing builds up parts layer by layer, forming cross sections of the part in 20- to 80-micron thicknesses.
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A new positioning system for aircraft structural assembly
28-Jun-2012 10:49 GMT
The EcoPositioner is a modular and reconfigurable positioning technology that takes into consideration the positioning task as well as operational conditions and environmental influences.
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Getting a pulse on fuselage panel assembly and NC programming
31-May-2012 12:55 GMT
Researchers from Brötje-Automation and Airbus come up with a “versatile” solution.
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CAD, fasteners, projections, and quality
17-May-2012 19:41 GMT
Today, mechanics refer to drawings prepared by manufacturing engineers, using mark-ups on the part to provide reference features and measurements, but there are problems with this approach.
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Engineers work off extra engine-blade weight
09-May-2012 20:00 GMT
Changing from alloy to composite materials for engine fan blades is an identified path to reducing overall engine weight by a significant amount—typically up to 1000 lb.
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