Method and apparatus for tracking a seam
Abstract
Abstract APPARATUS AND METHODS ARE DISCLOSED WHICH PERMIT A WELD SEAM BETWEEN TWO WORKPIECES TO BE AUTOMATICALLY TRACKED. PROVISIONS ARE INCLUDED FOR TRACKING T A SUBSTANTIALLY CONSTANT LINEAR SPEED IN THE DIRECTION OF THE SEAM REGARDLESS OF THE DIRECTION OF THE SEAM IN THE PIECES. AN ELECTRON BEAM IS SWEPT IN A CLOSED PATH ABOUT A DESIRED WORKPOINT AND THE INTERSECTION OF THE PATH AND THE SEAM. THE BEAM AND THE WORKDIRECTIONAL CHARACTER OF THE SEAM. THE BEAM AND THE WORKPIECES ARE THEN MOVED RELATIVE TO ONE ANOTHER IN THE DIRECTION DEFINED BY THE INTERSECTIONS. BY SWEEPING THE BEAM ACROSS THE SEAM AT A POSITION DISPLACED FROM THE WORKPOINT, INFORMATION CONCERNING THE DIRECTION OF THE SEAM CAN BE EMPLOYED TO CONTROL THE MOVEMENT OF THE WORKPIECES WITH RESPECT TO THE TRCKING BEAM OR A WELDING BEAM AT SUBSTANTIALLY CONSTANT SPEEDS.
Inventors
- 👤 Stanley G Best
Bibliographic Details
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