Welding 1

[SLPC10-01(Invited)] Spatter reduction by laser welding with multi-spot optics

*Alexander Laskin¹, Joerg Volpp², Takuji Nara³ (1. AdlOptica Optical Systems GmbH, 2. Lulea University of Technology, 3. Profitet)

Spatter and porosity by laser welding of Cu and Al parts are reduced through splitting laser beam energy in 2x2 or 3x3 spot patterns using multi-spot optics providing optimal temperature profiles in melt pool.