Content tagged with "laser-welding"
Results: 21
Article
February 23, 2010
Article
November 4, 2009
Laser welding update
Figure 1
Disk lasers combine the pumping efficiency of a semiconductor laser with the beam quality of a solid-state laser.
Since industrial lasers were first introduced nearly 40 years ago, revolutionary developments in laser welding technology have enabled new and innovative... Read more...
Article
October 20, 2009
Laser-based inspection for laser welding
Advances in laser welding processes for tube and pipe mills bring many advantages to companies that use this technology. Laser welding minimizes heat-affected zones, reduces distortion of the tube, eliminates slag or spatter, increases the weld's strength, and has more capability to handle... Read more...
Article
June 26, 2009
Getting close to remote laser welding
Figure 1
A remote laser welding cell doesn't take up too much room on a shop floor and holds the promise of being more productive than traditional spot welding setups. Photo courtesy of Rofin-Sinar Inc.
In an RLW system (see Figure 1 ), the laser beam is focused over the workpiece... Read more...
Article
March 24, 2009
Laser welding basics
Close-up View of a CO 2 Laser Weld in Copper
Automotive manufacturers, Tier 1 auto suppliers, and other high-volume manufacturers have been implementing laser welding successfully for years, but it is much less prevalent in small and medium-size businesses.
Beneficial to both part... Read more...
Article
March 10, 2009
It takes two, baby
Hybrid laser-arc welding (HLAW) is not a new concept, but it has gained in popularity recently. Faster travel speeds, less heat input and distortion, and higher tolerances make HLAW a great alternative to laser welding or arc welding processes alone. The most common combination is laser and... Read more...
Article
October 14, 2008
Welding with diode lasers
While lasers have been used in welding for many years, this is still an active area of technological development. In particular, improvements in traditional welding lasers, together with the introduction of entirely new types of lasers, have expanded the capabilities of this technique and... Read more...
Article
July 15, 2008
6 keys to laser welding
Some of the keys to laser welding success may surprise you, especially if you are an engineer or scientist. In the world of high technology, it's very tempting to reduce the success of a manufacturing process down to a keen understanding of a few basic technical principles. In the realm of... Read more...
Article
June 17, 2008
Lasers catch limelight at ALAW
Attendees take a networking break at the exhibit hall during this year's ALAW conference. The 2009 ALAW Conference is scheduled for May 12-14 at The Inn at St. John's, Plymouth, Mich.
Among all metal fabrication technologies, lasers stand apart. Within just a few decades, they've moved... Read more...
Article
April 15, 2008
Making the right choices for laser welding
An Nd:YAG laser performs seam welding of steel tube components.
This article is adapted in part from Mark Rodighiero, "Putting It Together: Laser Welding Systems," presented at FABTECH® Intl. & AWS Welding Show, Nov. 11-14, 2007, Chicago, ©2007 by the Fabricators &... Read more...
Article
January 15, 2008
Laser welding 201
A battery component is secured in place with two laser spot welds. Laser welding technology has entered a new state, in which optimization of the equipment and the process is relatively easy to perform, and may result in higher profits and a competitive edge in global manufacturing. The... Read more...
Article
July 10, 2007
Lifestyle trends expand use of lasers, ALAW presenters say
When the Fabricators & Manufacturers Association, Intl. (FMA), Rockford, Ill., and the Laser Institute of America (LIA), Orlando, Fla., announced in April 2006 that they had purchased the Automotive Laser Application Workshop (ALAW), FMA President and CEO Gerald Shankel explained FMA's... Read more...
Article
May 8, 2007
Fiber lasers weave out of the lab and into metal fab
Fiber lasers are more monolithic and integrated than most other laser types, making them suitable for portability. Editor's Note: This article is based on the authors' presentation at the 2nd International Workshop on Fiber Lasers, Fraunhofer IWS, Dresden, Germany, July 2006, and a... Read more...
Article
May 8, 2007
Article
March 7, 2006
A new way to weld sheet metal
Figure 1 Nu-Way Industries Inc. turned to laser seam welding to fabricate this stainless steel microwave enclosure. The old way didn't work for Nu-Way Industries Inc., Des Plaines, Ill. The large custom sheet metal fabricator needed a new method of welding to replace the traditional... Read more...
Article
March 7, 2006
Optimizing CO2 laser use: Part II
Photo courtesy of TRUMPF Inc.
Part I of this series discussed the production of the CO 2 laser beam and the interaction of the gases required to produce a quality beam. This part discusses beam delivery to the workpiece and the gases used to process the... Read more...
Article
January 10, 2006
Optimizing CO2 laser use: Part I
Although continuous improvements have been made to increase CO 2 laser cutting productivity, the basic parameters of the process have not changed in the last 20-plus years. A process's growth depends on how the technology and its ancillary components serve the user. New laser technology that... Read more...
Article
January 10, 2006
Wading through the world of welding
Many high-tech gadgets that once were handy extras are becoming indispensable in the workplace. A personal digital assistant (PDA) device makes programming a welding power supply faster and easier than manual programming. Photo provided by The Lincoln Electric Co. Developments in... Read more...
Article
October 11, 2005
Laser cutting and welding with one tool
Today's laser sources have the power and beam quality needed to cut and join metal in an expeditious and repetitious manner. The market demands that type of flexible production, so those characteristics are basic requirements in modern laser devices.
Market demands also have... Read more...
Article
September 13, 2005
Keys to success in laser welding
A technician explains the features of an Nd:YAG laser. Involving production personnel early in the process is an important way to ensure the success of a laser project.
Engineers and project managers sometimes reduce the success of a manufacturing process to a few... Read more...
Article
July 12, 2005
Laser welding in Singapore
Amtek uses this 3-kW, high-power CO 2 laser welding system to join steering column casings. The system is equipped with five-axis beam manipulation and robotic part loading and unloading.
Prototyping parts for projects with shorter lead-times and meeting the automotive... Read more...
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