This is the full automatic laser welding installation developed by RODOMACH and Meijer Diamond Tools in Holland. The laser welding installation exists of a loading and unloading area for the operator and a welding area. From the loading area the tube of the diamond tool is transported by a robot into the laser cabin. A main frame with servo controlled rotation axis with centering jig for the drills is placed in the laser cabin. Diamond segment feed is provided by a vibratory filler while a positioning robot places the segments on the drill. From there a laser, equipped with laser optics and gas protection, weld the segments on the drill. The installation is equipped with laser source of 2KW with servo controlled axis for movement during the welding process. After the drill is welded it will be transported to the unloading area. The installation is prepared for drill diameters from 10 mm to 350 mm, and drill lengths from 60 mm to 1000 mm. A hollow shaft in the main frame rotation axis gives the possibility to produce a drill with a length of 3000 mm with a maximum diameter of 250 mm.