Boots – shoes – and leggings
Patent
1982-09-23
1985-07-23
Smith, Jerry
Boots, shoes, and leggings
364477, 21912401, 21912422, 901 10, 901 42, 901 46, G06F 1546, B23K 912, G05B 1942
Patent
active
045311927
ABSTRACT:
Apparatus and method for sensing the topography of a workpiece with an electrical arc by measuring a parameter of the electrical arc signal as an electrode is scanned across the surface of the workpiece by a tool manipulator such as a multi-axis robot arm, and processing the measured arc signal in order to derive the three-dimensional topography. The apparatus includes a digital microcomputer which samples the arc signal, stores a plurality of samples in computer memory, computes the average of a predetermined number of samples, and provides correction factors to the host computer of the robot manipulator so that the electrode or a tool carried by the robot can be adaptively positioned. The apparatus senses such features of the workpiece as holes, edges, and slopes of a given magnitude, and passes the location of these features to the host computer for appropriate corrective action. The system provides vertical correction factors as well as workpiece scanning correction factors so that the host can adaptively adjust the position of the electrode or of a separate tool with respect to the workpiece.
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CRC Welding Systems, Inc.
Harkcom Gary V.
Smith Jerry
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