Content tagged with "wire"

Results: 16

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

May 8, 2007

Arc Welding 101 - Paint tank troubles I am building a 400-gallon paint tank and I'm having trouble with leaks when using gas metal arc welding (GMAW). I'm using a welding machine running on 440. My best results come when running hot 19.5 on the heat and about 21/2 on wire speed. I am using a trimix gas and 0.035-inch 308 wire.... Read more...

Article

May 8, 2007

Arc Welding 101 I am building a 400-gallon paint tank and I'm having trouble with leaks when using gas metal arc welding (GMAW). I'm using a welding machine running on 440. My best results come when running hot 19.5 on the heat and about 21/2 on wire speed. I am using a trimix gas and 0.035-inch 308 wire.... Read more...

Article

December 7, 2004

Pipelines to China Joe Shooshani was smoking a cigarette outside Hall 4 at the Shanghai New International Expo Center (SNIEC). He had traveled from Los Angeles where he owns Bobco Metals, a metals service center offering a range of services, including forming, bending, welding, and fabricating. Shooshani... Read more...

Article

June 8, 2004

Selecting a shielding gas for joining stainless steel The use of stainless steel has grown significantly over the past decade in North America. As its use has grown, so has the number of different consumables required to join it. Because stainless steels are used in applications that are different from carbon steels, it follows that their... Read more...

Article

December 11, 2003

Getting the best results in gas-shielded FCAW The demand for flux cored arc welding (FCAW) has grown significantly over the past 10 years. Manufacturers who weld carbon, stainless, low-alloy, and high-alloy steel are turning to this process primarily because: It has a high deposition rate. It can be used to weld in all positions... Read more...

Article

September 25, 2003

Choosing a GMAW machine for occasional aluminum welding I want to buy a small gas metal arc welding (GMAW) machine, preferably one that runs from 120-V input power. Most of my welding will be steel, but I would like to weld aluminum occasionally. Can these machines really weld aluminum? I've heard a lot of different opinions. Some companies claim... Read more...

Article

September 25, 2003

Supporting the defense United Defense's motto is Changing the future of defense™. One of its latest missions toward this goal was to introduce a direct diode laser into its Aberdeen, S.D., manufacturing facility. The company designs, develops, and produces combat vehicles, artillery, naval guns, missile... Read more...

Article

July 24, 2003

Which wire do you require? Many fabricators overlook the efficiencies they can gain by changing a wire or process. In fact, when you ask fabricators why they're using a particular electrode, some respond with "That's the way it's always been done here," even though another way might yield significant improvement.... Read more...

Article

May 29, 2003

Robots and dials and knobs—oh my! It has been said that necessity is the mother of invention. You be the judge. In the late 1950s, the U.S. Navy wanted to find a way to join heavy aluminum structural sections used to fabricate motor torpedo boat hulls. Gas tungsten arc welding (GTAW) offered suitable process... Read more...

Article

October 25, 2002

Considering the benefits of pulse spray transfer GMAW Object Pulse spray gas metal arc welding (GMAW) is a versatile welding process. Sometimes welding suppliers and welding managers don't want to try it, because they don't want to change the process they're using, train users, adjust welding processes, or spend money on new equipment.While any... Read more...

Article

April 24, 2002

Using the tandem welding process to your advantage The idea of welding with two wires is not a new one. Two-wire welding technology has been around for decades. However, only in the past few years has welding power source technology become advanced enough to provide good results with the GMAW process. When using a tandem welding... Read more...

Article

August 16, 2001

GMAW vs. FCAW for beginners: Choose the best process for your small operation When you prepare to buy your first wire-feed welding machine, you don't want to waste your money on a toy that goes out with the trash in a few weeks. You probably want to use 115-V input for portability, but might want to step up to a 230-V-input machine to weld thicker material. After... Read more...

Article

July 12, 2001

Automated welding for job shops A robotic welding system represents a significant capital investment for a job shop. The number and diversity of typical products that job shops produce may discourage any interest in automation, primarily because the company cannot figure out how to justify the system purchase and operation.... Read more...

Article

February 19, 2001

Welding aluminum tailored blanks with Nd:YAG lasers for automotive applications The automotive industry is continually striving to improve product performance and fuel efficiency by reducing vehicle weights. The recent drive toward the use of aluminum-based structures in this industry has led to the development of aluminum space frame structures (assembled from cast... Read more...

Article

February 19, 2001

Shielding gas consumption efficiency-- Part I: Spend a penny, save a dollar Editor's Note: This is the first of a two-part article that discusses shielding gas efficiency. The second part also appears on thefabricator.com. Although argon is the most commonly used shielding gas for solid-wire electrode applications, many managers and welders understand little about... Read more...

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