| 摘要 |
PURPOSE:To swivel a processing head which has a swiveling part swiveling around vertical and horizontal axes and a torch without large co-swiveling by aligning the position of the torch to the swiveling axial line of the swiveling part which swivels around the vertical axial line. CONSTITUTION:The processing head is formed of the 1st swiveling part 28 which swivels around the vertical axial line 01, the 2nd swiveling part 29 which is so provided as to swivel around the horizontal axial line 02 and the 3rd swiveling part 30 which is so provided as to swivel around the axial line 03 perpendicular to the line 02. The torch 31 which emits the laser beam is provided to the 3rd swiveling part 30 in such a manner that the axial line thereof is aligned to the vertical axial line 01 of the 1st swiveling part 28. |
