Laser Welding


He said that the laser has become more popular as solid-state lasers have come to dominate the field. Because of their operating wavelength in the near infrared, solid-state lasers deliver their beams along flexible fiber optics instead of the optics and mirrors required with older CO2


technology. “Fiber-delivered lasers are now useful on larger and


higher-volume parts,” he said, noting that automated welding applications that do not currently use lasers should consider them given the advances. “Most of the things you need to do for automated welding,” he said, “you will need to do to be successful at using a laser.” However, as an autogenous process with no filler material,


laser-only welding has been limited to those thin-walled and tight-tolerance applications. Laser-only welding is currently limited to applications where joint tolerances allow no more than about 0.1 mm of gap variation. In a number of ways that is changing. One way is with hybrid welding.


Scanner welding of an automotive car door using Trumpf’s programmable focusing optics PFO 3D. The yellow fiber optic cable connects to a solid-state TruDisk laser.


INTRODUCING THE 7.10.7 SF


And a Whole New User Experience The 7.10.7 SF was designed fi rst and foremost with the needs of the shop fl oor user in mind – from part holding and lighting to the user’s interaction with the software.


The SF shop fl oor series excels in harsh manufacturing environments and introduces a variety of advancements focused on usability and enhanced productivity.


Learn more about the 7.10.7 SF’s groundbreaking user experience features at www.HexMet.us/me7107sf or call 855.443.9638 for more information.


82 ManufacturingEngineeringMedia.com | March 2014


Photo courtesy Trumpf


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