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Mobile Laser Welding System




               Task                                               Result


               LASER on demand GmbH offers temporary, on-site,    For two years, Laserline’s LDF 5000-40 fiber-coupled
               job-specific laser welding of large components for   diode laser has been used in a variety of welding
               customers who cannot yet commit to purchasing a laser.   applications throughout Europe. The temperature-
               This service demands a universally useable welding laser   controlled container that encloses the diode laser allows
               with good beam quality that can be easily transported and   for the use and transport of the system under the most
               is immediately ready for use upon arriving at the customer’s   adverse climatic conditions and ensures that the laser
               site. Fitting the laser, a water-air chiller, and additional   system is immediately ready for operation upon reaching
               equipment into an eight foot container requires not only a   the customer’s site. The goal of building a system that is
               compact, but also an efficient, 5 kW laser that can be   compact yet robust was successfully achieved.
               cooled with a 10 kW chiller.
               Process


               After promising preliminary tests of different welding tasks
               in the Laserline application laboratory, further tests using a
               fiber-coupled diode laser were conducted on large
               components at the customer’s site. LASER on demand
               then outfitted the first container with a laser, a chiller, and
               additional equipment, which was shortly followed by the
               production of a second, identical set-up. The containers   Material: Different steel grades up to 8 mm
               are remotely monitored, insulated, and equipped with a   Customers: Joining and cladding at a wide variety of
               floor-heating, with a battery-powered back-up. This allows   customers ranging from aerospace to shipbuilding
               the laser and chiller to be transported and immediately put   Laser: LDF 5000-40
               into use in below freezing temperatures without requiring   Optics: Typically 0.6 mm focus
               the cooling water to be drained.                   Parameters: 0.5 m/min to 30 m/min weld speed
                                                                  Result: In use since 2009









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