Boots – shoes – and leggings
Patent
1990-12-14
1993-10-19
Smith, Jerry
Boots, shoes, and leggings
382 8, 358101, 358106, G05B 1918
Patent
active
052551997
ABSTRACT:
A compensation system for a computer-controlled machining apparatus having a controller and including a cutting tool and a workpiece holder which are movable relative to one another along a preprogrammed path during a machining operation utilizes a camera and a vision computer for gathering information at a preselected stage of a machining operation relating to the actual shape and size of the cutting edge of the cutting tool and for altering the preprogrammed path in accordance with detected variations between the actual size and shape of the cutting edge and an assumed size and shape of the cutting edge. The camera obtains an image of the cutting tool against a background so that the cutting tool and background possess contrasting light intensities, and the vision computer utilizes the contrasting light intensities of the image to locate points therein which correspond to points along the actual cutting edge. Following a series of computations involving the determining of a tool center from the points identified along the tool edge, the results of the computations are fed to the controller where the preprogrammed path is altered as aforedescribed.
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Babelay, Jr. Edwin F.
Barkman William E.
Klages Edward J.
Adams Harold W.
Brown Thomas E.
Craig George L.
Martin Marietta Energy Systems Inc.
McKee Michael E.
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