Assembly - November 2008 - (Page 16) Assembly in Action Machine Vision Guides Van Assembly he European systems integrator Sistemas Automatizacion Procesos SL (S.A.P.—Barcelona, Spain) manufactures customized, turnkey automated assembly machines for a variety of customers, including those in the automotive industry. Recently, the company landed a contract to manufacture an assembly and inspection cell to process structural subassemblies for a new van assembly line. The tube-shaped subassemblies feature 70 discrete inspection points, T including a number of welded nuts, screws and holes. The machine had to be robust enough to function in an environment that was not only dusty and oily, but subject to dramatic changes in ambient lighting. The parts themselves also have a tendency to become oily or dirty during processing. By implementing machine vision in its van-component assembly cell, systems integrator S.A.P. increased both throughput and product quality. The robot “learns” the route it needs to follow by using the camera as its “eyes.” The resulting system included a vision-guided robot employing 16 ASSEMBLY / November 2008 www.assemblymag.com ASB07074Bospro2.indd 1 6/15/07 1:11:40 PM http://www.assemblymag.com
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