Combined percussion and trepan laser drilling

Details Combined percussion and trepan laser drilling Combined percussion and trepan laser drilling

B - Operations, Transporting

23

K

B23K 26/08 (2006.01) B23K 26/38 (2006.01)

Patent

CA 2317601

A process is provided for laser drilling relatively large and deep holes in superalloy components by percussion laser drilling a central hole through the component to a diameter less than the predetermined diameter, then trepanning laser drilling around the central hole to expand the diameter of the hole to the predetermined diameter.

L'invention porte sur un procédé de perçage au laser de trous relativement larges et profonds dans des éléments de superalliage. On perce tout d'abord par percussion au laser dans l'élément un trou central d'un diamètre inférieur à celui du diamètre nominal, que l'on porte ensuite au diamètre nominal par trépanation au laser autour du trou central.

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