Content tagged with "roll-bending"
Results: 9
Article
March 1, 2010
Rolling for wind
Wind towers have gotten their fair share of coverage over the past few years. Much of what's made headlines involves the regulations and tax benefits that promote the technology. What isn't talked about as much is the actual design of the wind towers themselves. Details get complicated,... Read more...
Article
September 1, 2009
Unique brake setup streamlines thick plate bending
Figure 1 Thick, high-tensile-strength plate is bent with a specialized tool. The material is bent to no more than a 176-degree inside angle for each bend. The CNC press brake at Peterson Pacific Corp. would make people with bending know-how stop in their tracks. In the brake sits a... Read more...
Article
July 2, 2009
Rolling it just so
Figure 1 A precision operation at BEPeterson forms rolled sections to +/- 1/32 inch on circumference. Walk onto the floor at BEPeterson (BEP) and nothing looks particularly out of the ordinary for a contract manufacturer specializing in large fabrications. There' the 53-foot-long,... Read more...
Article
September 16, 2008
Reflections on a perfectly symmetric ellipse
While many of BR Sculpture's projects involve casting, the company does quite a bit of fabrication work too. Like any fabricator, BR's owner, Brett Richards, occasionally is stumped by a daunting manufacturing problem such as this one-forming a perfectly symmetric frame for a mirror. A... Read more...
Article
May 13, 2008
New roll bender 'bales' out farm implement manufacturer
Powder River added tooling that helps feed and square sheet before it enters the three-roll bender. Hugo Hernandez and his shop floor team weren't horsing around on the shop floor, but it sure did take them more time than it should have to bend 14-gauge sheet for a horse feeder. The round... Read more...
Article
June 12, 2007
Tube fabricator bends with industry changes
Jay Hall, president of Harco Metal Products Inc., Tempe, Ariz., laughs when asked if he ever thought China and other countries would have affected his business when he jumped into tube fabricating 19 years ago. "Then I told them it was a nonissue. I didn't even know they existed," he said.... Read more...
Article
April 10, 2007
Pipe fabricator saves big time with big bends
A four-roll bender carries a higher price tag than most three-roll benders, but it might be the easiest to operate because the material fed into the machine is clamped during the squaring process and held during the entire rolling operation. Photo courtesy of Bertsch. Tom Mooney, the... Read more...
Article
February 13, 2007
Big shoulders, long strides
Jeff Hansen, Dave Hansen, Cathy Hansen, and Mike Hansen (left to right) are equal partners in Hansen Steel Services. About 25 miles inland from the Pacific Ocean in Santa Fe Springs, Calif., Hansen Steel Services employees wear T-shirts imprinted with the company's Viking logo—a... Read more...
Article
April 11, 2006
Roll bending a wind tower with a three-roll bender
The U.S wind industry ended its most productive year in 2005, installing nearly 2,500 MW, or more than $3 billion worth of new generating equipment in 22 states, according to the Washington, D.C.-based American Wind Energy Association (AWEA). There are now commercial wind turbine... Read more...
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