Method and apparatus for monitoring and positioning a beam...

Details Method and apparatus for monitoring and positioning a beam... Method and apparatus for monitoring and positioning a beam...

B - Operations, Transporting

23

K

B23K 26/04 (2006.01) B23K 9/127 (2006.01) B24C 5/02 (2006.01)

Patent

CA 2183779

In a method for monitoring and positioning a beam or jet (3) for operating on a workpiece, a first sensor (7) (eg. in the case of a beam, a seam detecting system) ahead of the beam or jet, and/or a preset value, determines the path to be followed by the beam or jet (3). A second sensor (9) behind the beam or jet (3) monitors the action of the beam or jet. The preset value, or the readings obtained by the first sensor (7) regarding a required position of the beam or jet (3), is or are compared with readings obtained by the second sensor (9) regarding an actual position of the beam or jet (3), taking account of the velocity-dependent relative displacement between the beam or jet and the workpiece. The beam or jet (3) is corrected to a basic position if the actual position deviates from the required position.

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