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Plasma cutting

The evolution of plasma cutting

January 17, 2014 | By Jim Colt

Metal fabricators with plasma cutting equipment that is 10 years or older may be surprised to learn just how far plasma cutting has come. The technology has evolved to the point that outside edges are smoother than ever, and precision holes can be cut to accommodate fasteners.

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Plasma cutting for tube, pipe, profiles -

Plasma cutting for tube, pipe, profiles

July 11, 2013 | By Jim Colt

Initially used for nonferrous cutting operations, plasma developed into a useful means for cutting 2-D sheet and plate steel when the water-injected plasma process was developed in the late 1960s. As technology developments improved the edge quality, cutting speed, consumable parts life, and long-term operating cost, it became competitive with other thermal cutting processes. In recent years, improved control technology has enabled plasma to be a contender in the realm of 3-D cutting, making it an option for tube, pipe, and profiles.

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low amperage, plasma marking

Introduction to plasma marking

March 4, 2013 | By Dirk Ott , Nakhleh Hussary, Ph.D.

Fabricators mark parts for various reasons using different technologies, each with its own benefits. This article describes several marking options and further discusses plasma marking.

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Better plasma cutting on stainless steel -

Better plasma cutting on stainless steel

February 1, 2013 | By Dan Davis

Penn Stainless Products, Quakertown, Pa., wanted to upgrade its plasma cutting operations so that it could cut thicker stainless steel plate. It found that plasma technology advancements could deliver the thicker cut and additional benefits as well.

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Plasma gouging: It’s a gash -

Plasma gouging: It’s a gash

July 23, 2012 | By Michelle Avila

More welders are realizing the benefits of using plasma technology to perform gouging in heavy industrial applications where versatility, speed, and safety are important.

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Choosing the right shielding for the best plasma cut -

Choosing the right shielding for the best plasma cut

June 8, 2012 | By Dirk Ott , Nakhleh Hussary, Ph.D.

The methods used to shield the plasma arc from the atmosphere have evolved. The concept of using tap water to generate the secondary gas has been around for more than three decades, but high-precision plasma cutting using the nitrogen-water process was developed less than a decade ago.

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Heavy piercing with plasma -

Heavy piercing with plasma

January 4, 2012 | By Tim Heston

High-density plasma arc cutting can effectively cut thick plate. The most challenging aspect, in fact, is that initial pierce. To that end, a few basic strategies help overcome this challenge, allowing the plasma to pierce through inches of metal as effectively as possible.

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Biselado con plasma: ¿qué pueden dar las máquinas de la actualidad? -

Biselado con plasma: ¿qué pueden dar las máquinas de la actualidad?

December 1, 2011 | By Rodney Plowe

Como puede decírselo cualquier fabricante de metal, un taller es tan eficiente como todos sus procesos en conjunto—no sólo uno.

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Plasma beveling

Plasma beveling: What can today's machines deliver?

June 2, 2011 | By Rodney Plowe

Plasma beveling technology has progressed in recent years to the point where the degree of taper has been reduced greatly and the ability to achieve predictable results, cut after cut, is possible. Having said that, a knowledgeable equipment operator can have a tremendous impact on optimizing the equipment's performance.

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Plasma cutting to 'Galpinize' - TheFabricator

Plasma cutting to 'Galpinize'

June 1, 2010 | By Tim Heston

Galpin Auto Sports pushes the envelope when it comes to car customization, and plasma cutting helps the company push the limits.

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combination machines

Done-in-one, cutting plate

May 4, 2010 | By Tim Heston

Combination machines have brought the done-in-one concept to the heavy plate fabricator's shop floor.

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You can plasma cut it, but can you weld it?

March 10, 2009 | By Geoffrey Putnam, Thierry Renault, Nakhleh Hussary, Ph.D.

Time spent on extensive weld prep easily can eliminate any gains made from faster plasma cutting. Put another way, it doesn't matter how fast a plasma cuts if the resulting cut face can't be welded efficiently.

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Don't rule out plasma for cutting aluminum -

Don't rule out plasma for cutting aluminum

January 27, 2009 | By Michael Bishop

In 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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Plasma Cutting Lead

Cut it out

December 14, 2008 | By By Steve Hidden

With a plasma cutter and grinder, you can unleash your inner artist and create unique metal art. In words and images, this article describes how to select the equipment, create a template, set up the work area, make your cuts, and finish the project.

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Plasma cutting for pipe, tube

December 2, 2008 | By Jim Colt

Plasma cutting has come a long way since it was developed in the1950s. Includes a sidebar that reflects some tube and pipe trends and a maintenance sidebar.

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