Multi weld: laser spot welding system with fiber optic beam-delivery can offer flexible welding methods for different applications. Specifications: 1) Laser power supply: a) Input voltage: AC 220V, 50/60Hz b) Power consumption: < 5kW 2) Laser system: a) Laser source: Nd:YAG b) Average output power: < 60W c) Pulse frequency: 0-5Hz (adjustable) d) Pulse width: 0.1-15ms (adjustable) e) Current: 100-450A (adjustable) f) Fiber beam delivery: i) Numbers of fiber cables: 1-3 ii) Main beam path single pulse power: < 40J 3) Cooling system: a) Inner cycle water cooling units b) Air cooled external chiller 4) Dimensions (L x W x H): 900 x 970 x 510mm 5) Weight: 180kg