Content tagged with "joint"

Results: 8

Article

July 13, 2004

Welding Miniature Devices Welders have been joining miniature electromechanical devices for industrial and medical applications for more than 30 years. However, it's a subject that hasn't been featured much in papers and technical publications. The history of joining miniature devices goes back to the turn of the... Read more...

Article

March 11, 2004

Low-tech system mechanizes pipe welding: Backing device allows GMAW on open root A backing system is positioned inside a pipe and copper rings contain the weld pool. A backing device is one such type of mechanized system. Backing devices facilitate pipe alignment, proper joint gap settings, and installation of purging equipment. Furthermore, the use of backing... Read more...

Article

August 14, 2003

Notching tube and pipe The Hole Saw Using a hole saw is an inexpensive way to make the occasional notch for a weld joint. More for the hobbyist, hole saws can be used with a drill press or, for portability, with a hand-held drill. Multiple corresponding hole saws must be used to make notches with... Read more...

Article

June 12, 2003

Understanding weld discontinuities A welder's primary concern in any kind of work is ensuring his weld is sound. For this reason, it's important for an inspector examining the weld to be able to spot a variety of weld discontinuities, including: Porosity. Incomplete fusion. Incomplete joint penetration. Unacceptable... Read more...

Article

July 26, 2002

Repair Brazing: Fixing Faulty Jobs and worn-out components Brazing is a versatile process used in many industries to join materials permanently. Repair brazing is an essential part of the industry and usually is done for one of two reasons—to braze repair parts in-house before they are released to customers and to perform repairs on brazed... Read more...

Article

March 26, 2002

Is Your Welding Lean? Following World War II and during the rebuilding of the Japanese industrial base manufacturers recognized that to restore production of manufactured goods and be globally competitive, new methods were necessary. One of the pioneers in this re-engineering of manufacturing was Toyota, led by... Read more...

Article

July 12, 2001

The growing use of orbital tube welding This trend is due partly to orbital welding's capability to make an entrapment-free, permanent connection that is highly resistant to vibration. This makes it a good choice for joints that are not intended to be disassembled in the future. However, the appeal of orbital welding also is due to... Read more...

Article

February 19, 2001

The fundamentals of gas tungsten arc welding: Preparation, consumables, and equipment necessary for the process Gas tungsten arc welding (GTAW) is an electric arc welding process that produces an arc between a nonconsumable electrode and the work to be welded. The weld is shielded from the atmosphere by a shielding gas that forms an envelope around the weld area (see Figure 1 ). Figure 1: The... Read more...

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