Machine Vision in Inspection and Welding 861454

This paper will describe two Machine Vision applications at the John Deere Plow and Planter Works. The Vision Inspection System utilizes three cameras mounted on a three axis Cartesian robot to perform three-dimensional measurements on a variety of formed sheet-metal parts. The system also maintains average & range statistical control charts on all measured dimensions. The Vision Welding System utilizes four stationary cameras and four stationary LASER units to locate the ends of weld seams on a variety of similar parts ranging in length from 990 mm to 2600 mm (39 inches to 102 inches). These end points are then used to offset the weld path which is then welded by a six axis articulated robot.


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