Content tagged with "tig-welding"
Results: 8
Article
July 1, 2009
The GTAW top 10
Figure 1 This GTAW is the result of poor gas coverage, which can be caused by a number of factors. Gas tungsten arc welding (GTAW) often is specified to meet strict aesthetic, structural, or code/standard requirements. The process is complex, and it is undisputedly the most difficult of... Read more...
Article
November 11, 2008
GTAW common joint designs
Welding a T joint on aluminum, the welder demonstrates proper torch and filler metal positioning. Photo courtesy of Weldcraft. The three most common types of gas tungsten arc weld (GTAW) joints— butt, corner, and T (fillet)—each serves a particular function in product... Read more...
Article
October 14, 2008
Eagles, dragons: Stainless steel takes on many forms
A few years ago Kevin Stone, a senior fabricator, decided to combine his years of welding experience with his innate artistic ability and began creating stainless steel sculptures on a large scale. While people make the pilgrimage to Stone's yard in Chilliwack, B.C., to see the "Power of... Read more...
Article
September 16, 2008
Robotic GTAW
Many welding applications require precise control, exact penetration, or minimal heat input regardless of bead appearance, while others are focused solely on the surface of the weld. This is where the advantages of gas tungsten arc welding (GTAW) are most prominent, and in most situations... Read more...
Article
March 11, 2008
Preventing porosity in humid environments
I'm having problems with excessive porosity when TIG welding aluminum. My friend says it comes from water vapor in the air (it's very humid here) being broken down by the arc. Is this true? It sounds pretty far-fetched. I hope you didn't bet on this one. If you did, get ready to pay up. All... Read more...
Article
January 15, 2008
What's your frequency
Before the advent of inverter-based gas tungsten arc welding (GTAW) machines, frequency control was rarely thought of as a way to improve aluminum welding. The current that came from the wall—60 hertz—was the same current that went into the weld. Since then countless manufacturers... Read more...
Article
December 11, 2007
These aren't your grandparents' wheelchairs
Although it's called "wheelchair rugby" or "quad rugby"—it's played by quadriplegic athletes in wheelchairs—neither term really captures the sport's speed or intensity as does its original name: murderball. Nor do the athletes fit the stereotypical image of quadriplegics, and... Read more...
Article
November 8, 2005
Getting the needed fixtures
Sitting on top of a modular fixturing table, a rock wheel frame attachment for a skid steer is finish-welded. Variety is the spice of life for Woods Equipment Co. The Oregon, Ill.-based company is a manufacturer of attachments and implements for agricultural tractors, skid steers,... Read more...
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