Authors:
Jinhong Lu
ABB Electrical Machines Ltd, Shanghai, China, 200245

Veli Kujanpa¨a¨
VTT Technical Research Centre of Finland, Lappeenranta, Finland, 53850

The appearance of the high-power fiber laser with brilliant beam quality enables a rapid development of remote laser welding (RLW). In this paper, a theoretical study of remote laser welding has been reviewed. As a promising technology, the RLW offers an increased flexibility, high operational speed, and reduced cycle time to process a wide range of workpieces. This study presents the feasibility and typical characteristics of RLW with high-power fiber lasers. Meanwhile, the influence of process parameters, such as laser power, welding speed, shielding gas supply, beam inclination, and focal position, on the weld seam quality has been investigated.