Laser-sintered shift knob.LASER-SINTERED SHIFT KNOB The stainless steel stainless steel: see steel. stainless steel Any of a family of alloy steels usually containing 10–30% chromium. The presence of chromium, together with low carbon content, gives remarkable resistance to corrosion and heat. shift knob in VW's GX3 concept car was formed through direct metal laser sintering Building prototypes and finished parts in a machine from powdered thermoplastics and metals that are cured by heat from a laser. From CAD drawings that have been cross sectioned into thousands of layers, the machine builds up the part by curing one layer at a time. (DMLS (Direct Metal Laser Sintering) See 3D printing. ) by E05 (www.eos.info) on its EOSINT M270 rapid prototyping system. DMLS was used for this part because the VW designers wanted a hollow metal ball with golf ball-like dimples and a metallic finish, and this was the only technology to meet the design team's criteria. [ILLUSTRATION OMITTED] |
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