Method and apparatus for aligning axes of assisting gas nozzles

Details Method and apparatus for aligning axes of assisting gas nozzles Method and apparatus for aligning axes of assisting gas nozzles

1982-03-18

1984-01-24

Albritton, C. L.

Electric heating

Metal heating

By arc

219121LL, 219121FS, B23K 2700

Patent

active

044278730

ABSTRACT:
A method of and apparatus for aligning the axis of an assisting gas nozzle with a laser beam axis using a test piece in apparatus which uses a laser to process workpieces is disclosed in which the laser beam is arranged to pass through the assisting gas nozzle, and pierce the test piece. The test piece is held by a holder which includes a pressure detector which measures the pressure of the assist gas flowing through the hold pierced in the test piece. The assisting gas nozzle is adjusted in a plane perpendicular to the axis of the laser beam to obtain a maximum pressure value, which indicates that the axis of the assisting gas nozzle and the axis of the laser beam are in alignment with each other.

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