Don't rule out plasma for cutting aluminum: Clearing up the misconceptionsIn any discussion about how to cut metal, plasma cutting is right up there with laser and waterjet. The technology gets a bad rap, though, when the discussion turns to cutting aluminum. There are five preconceptions that many fabricators have about turning to plasma to cut aluminum. But according to three experts, new plasma cutting systems produce good results on aluminum.
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What is your facility cut out for? Circular and band saw purchases depend on application requirementsWhat cutting equipment you buy depends very heavily on what area of industry you are supplying, throughput requirements, and, not least, finances. Don't let preconceived notions prevent you from making the very best possible decision.
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Tube Hydroforming Design Flexibility—Part VIII: Dimensional StabilityWhether they are producing automobiles or hydroforming press parts, designers, manufacturers, and assembly personnel are very concerned about dimensional stability. Surfaces and holes must be located in a specified range and smaller is better. Concern escalates as the drive to improve quality and reduce build tolerances and problems increases.
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Curving out a niche: Chicago fabricator helps McDonald's mark milestone, reaches one of its ownIn celebration of its 50th anniversary in April 2005, McDonald's® opened a 24,000-sq.-ft. restaurant in Chicago. The restaurant's most eye-catching feature is a pair of parabolic arches that stand 60 ft. high. Constructed from 20-in. by 12-in. tubes, the arches were curved by Chicago Metal Rolled Products, an OEM component subcontractor. Operating within a tight time frame, CMRP helped the structural steel fabricator and erector, Tefft Bridge & Iron LLC, by bending the tubes in multiple locations on longer sections to reduce the number of weld splices needed.
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