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cuts stainless steel up to 1" thick. The BrightLine fiber also enables the laser to produce small holes and tight contours in thick sheet metal with better exceptional cut quality and productivity in mild steel in the ½–1" (12.7–25.4 mm) thickness range, according to Trumpf. For the future, there are two developments in lasers that bear watching, according to Rogowski from Trumpf: direct-diodes and short-pulse lasers. “We use 0.96- µm diode lasers to pump resonator material in our disk and fiber lasers, which produce beams more useful for cutting and other applications,” he explained. Skipping the resonator device and using the diode directly would be an even more efficient laser beam, greater than 50%, with an even smaller footprint. Currently, beam quality of direct diodes is 8–10 times worse than that from solid-state lasers, which limits their utility in cutting. But each year brings improvements and they have produced excellent quality and speed for applications in welding and cladding operations.


Want More Information?


Amada America Ph: 877-262-3287


Web site: www.amada.com LaserCoil


Ph: 419-592-0050 Web site: www.lasercoil.com


Laser Mechanisms Ph: 248-474-9480


Web site: www.lasermech.com/ Raydiance


Ph: 707-559-2100


Web site: www.raydiance.com Trumpf


Ph: 860-255-6000 Web site: www.us.trumpf.com/


Grinder General Island Ad M.E._Layout 1 10/1/14 11:57 PM Page 1


The other trend to watch is the short and extremely short- pulsed lasers. These are in contrast to continuous-wave lasers in that they concentrate high power in very short bursts of energy, which has many advantages. ME


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www.clausing-industrial.com November 2014 | ManufacturingEngineeringMedia.com 97


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