Content tagged with "repairs"

Results: 13

Article

July 11, 2006

Cracking the case It's important to consider ways to make any welding process more efficient and effective. Welding abrasion-resistant plate, commonly known as AR plate, is no exception. Taking certain precautions and choosing the most appropriate filler metal for your application—whether you're... Read more...

Article

May 9, 2006

Choosing a gouging method In recent years environmental and quality issues have taken center stage in the welding industry. This increased emphasis on safety and health often is accompanied by reconsideration of how certain tasks are performed, for example, cutting and gouging metal. Gouging—a requirement... Read more...

Article

February 7, 2006

Making your way as a job shop today Karl Fischer says that staying flexible, within the skills you have to offer, has helped him keep his business successful over the years. Here, he stands next to a 304 stainless steel beer carbonation carboy that required internal pipe upgrading. With a small, $200, one-afternoon job,... Read more...

Article

June 14, 2005

Fatigue Failures Figure 1 Fatigue is the progressive formation and propagation of cracks in a metal subjected to repeated or alternating stresses (from cyclic loads or forces) not exceeding the material's static yield strength limit. The final failure occurs when the remaining section—the part... Read more...

Article

November 9, 2004

Weld repair—Analyze the failure before attempting the repair Failure Analysis Almost anything can fracture. The science investigating the origins of fractures is called failure analysis , and it is used to establish responsibilities for fractures and to determine preventive measures for avoiding future occurrences. An introductory, interesting... Read more...

Article

June 8, 2004

The challenge of robotic welding aluminum Robotic gas metal arc welding (GMAW) of aluminum alloys has been an industry challenge for many years. Early attempts made to automate this process typically failed. The failure of early automated cells was associated with a lack of process experience or improper equipment selection. This... Read more...

Article

January 13, 2004

The future of structural welding Like my history of welding article , this article is my small insight into the future of structural welding. Like I said before, if you are a history or English professor—and I'll add math professor to this group after my last miscalculation, pointed out by Ted Neff... Read more...

Article

November 20, 2003

Cool your torch The difference is a matter of degrees. In an automobile, the heat source is the combustion chamber inside the engine, which operates at temperatures in excess of 2,000 degrees F. In a plasma torch, the heat source is the plasma chamber inside the torch, where the temperature of the arc can... Read more...

Article

April 24, 2003

Improving the bottom line in automotive applications Total Cost of Quality Most people think only about the costs associated with internal failures, such as rejects or scrap, and external failures, such as shipped product that needs to be repaired, scrapped, or returned. Other costs associated with quality that can be incurred include appraisal... Read more...

Article

February 27, 2003

Laser system saves damaged military parts from the scrap heap Recently, though, several military facilities have been testing a new repair technique developed to save expensive parts from the scrap heap. The technique, known as Laser Engineered Net Shaping (LENS™), produces far less heat than conventional repair techniques–so little that... Read more...

Article

December 12, 2002

In-service weld defects, Repair, replace, or do nothing? Editor's Notes: In-service weld defects found in Australian refineries by an inspection team required assessment to determine the best course of action - repair, replace, or do nothing. This is the author's first-person account of the team's findings and solutions. The post-World War... 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

May 30, 2001

Making structural repairs in the field Any structural welder will tell you that it's a nuisance to fix someone else's repair work error, but mistakes happen--at the drawing board, in the fabrication shop, and in the field. This becomes an even more significant challenge for several reasons when the repair must be completed in... Read more...

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