Content tagged with "gases"
Results: 11
Article
September 1, 2009
Getting the SPA treatment
Figure 1 A gas-saver flowmeter regulator can help minimize gas waste. Appearance counts heavily when it comes to assessing a weld, but a lot more comes into play when you evaluate for strength and quality. Likewise, a job shop's gas welding and fabricating operation might appear to be... Read more...
Article
January 27, 2009
Don't rule out plasma for cutting aluminum
Plasma cutting isn't new. But like any technology, it has its share of new developments. In any discussion about how to cut metal, it's right up there with laser and waterjet. The technology gets a bad rap, though, when the discussion turns to cutting aluminum.
Plasma cutting has been... Read more...
Article
November 25, 2008
Do your welds pass muster?
When competing in a global economy, it pays to weld it right the first time.
Rework and scrap add significant cost to a manufacturer's balance sheet. Missed delivery dates increase customer dissatisfaction and defection. Poor weld quality may even cause a customer to carry excessive... Read more...
Article
July 15, 2008
Preventing torch fires in welding and cutting operations
Sparks from welding and cutting torches can easily ignite structural members and insulation, as well as combustible gases and liquids. Photo courtesy of NFPA.
In March fire destroyed the 150,000-square-foot Cargill Meat Solutions plant in Booneville, Ark., and forced residents in the... Read more...
Article
November 6, 2007
The life and times of plasma cutting
Metal cutting has existed as long as the welding process itself. One popular early method involved using a welding-type torch with a wire continuously feeding at 300 to 650 inches per minute (IPM). The wire was surrounded by a high flow of shield gas composed of argon, helium, nitrogen,... Read more...
Article
January 9, 2007
7 effects of shielding gas
Although you probably know that shielding gas is essential in most welding procedure specifications, you may pay little attention when you're selecting it. A simple gas composition change can offer potential savings in seven key areas, particularly in gas metal arc welding (GMAW).... Read more...
Article
December 12, 2006
High-powered lasers take a bite out of plate
The "more is better" mentality has been ingrained into the American culture for many years now. Sometimes this is not a good thing. However, as it relates to laser cutting, the "more is better" mentality has proven to be a success.
Since 1958, when Arthur Schawlow and Charles Townes... Read more...
Article
January 10, 2006
Who you gonna call?
A lot goes into the successful operation of a fabrication company. Whether it's large or small, your business involves many details, from the work itself to the employees who perform it to the finances. And that's just for starters. The welding and gases distributor you use to get the... Read more...
Article
October 11, 2005
Don't let your health go up in smoke
Increasing knowledge about the health hazards associated with breathing welding fumes and gases above certain concentrations and the serious illnesses that can result emphasizes the need to educate, train, and provide welders with appropriate protection. Welding fumes are very fine,... Read more...
Article
September 13, 2005
Resolving the challenges of welding coated steels
The increased use of coated (particularly galvanized) steels has resulted in an intensified search for solutions to the problems posed by joining these materials. High levels of spatter and welding fume, weld porosity, and poor bead shape are common. These problems lead to increased postweld... Read more...
Article
February 14, 2002
The importance of lasing gas purity
Industrial laser powers have increased dramatically over the past few years. This has made maintaining a high-purity atmosphere within the laser resonator more important than ever. Certain gaseous impurities can cause significant damage to the resonator. How pure is pure enough, and how... Read more...
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