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Retrofitting a press for quick die change

July 12, 2005

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Reducing die changeover times is mandatory to become a world-class stamping operation. The most practical way to accomplish it is through careful evaluation of pressroom needs, and the implementation of cost-effective die change equipment and procedures. In today's manufacturing environment, lean budgets are a way of life, which makes retrofitting die change equipment a cost-effective approach.

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How one shop benefited from abrasive waterjet technology

July 12, 2005

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Triplex Systems found that using abrasive waterjet cutting technology combined with a hole-and-tab technique to fabricate its products helped eliminate machining operations and reduced costs.

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To buy or not to buy?

July 11, 2005

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Metalen Verhoestraete, a metal service center in Roeselare, Belgium, needed a laser, but not just any laser would do. Because many of the company's clients had 3- and 4-meter lasers, Metalen sought a laser that had a much longer bed so it would not compete with its customers.

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How to choose the consumables you use - Part I

June 14, 2005

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Editor's Note: This article, which covers consumables for gas metal arc welding, is the first installment of a two-part article. Part II discusses gas tungsten arc welding consumables.

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Die Basics 101: Part II

June 14, 2005

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Figure 1EmbossingAll forming operations deform sheet material by exposing it to tension, compression, or both. Most part defects, such as splits and wrinkles, occur in forming operations. Successful sheet metal forming relies heavily on the metal's mechanical properties. The metal being formed must...

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How sleep deprivation affects work performance

June 14, 2005

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The U.S. Department of Labor's Bureau of Labor Statistics reported that in 2003 the average U.S. male slept 8.48 hours in a 24-hour period. The average U.S. female slept 8.65 hours. While both averages surpass the recommended eight hours for adults, recent studies indicate that the vast majority of...

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Tube Hydroforming Design Flexibility—Part VIII: Dimensional Stability

June 14, 2005

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Whether they are producing automobiles or hydroforming press parts, designers, manufacturers, and assembly personnel are very concerned about dimensional stability. Surfaces and holes must be located in a specified range and smaller is better. Concern escalates as the drive to improve quality and reduce build tolerances and problems increases.

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Fatigue Failures

June 14, 2005

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Fatigue causes the majority of mechanical element failures in structures and machinery. It is important to understand the causes of the failure and how to prevent or repair it.

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The blades of Don Fogg—a cut above

June 14, 2005

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This 11.375-in. blade was forged from 1095 steel; the habaki* is made from 40 percent shibuichi, gold-plated nickel silver seppa, and Damascus tsuba.*See glossary at the end of the article for swordsmithing terms. Photo courtesy of Don Fogg.What is it about forged and polished steel sharpened to an...

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Reoiling technologies for stampers:

June 14, 2005

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The stamping environment has been host to numerous attempts at process improvements over the past few years—some very successful, others discarded as unappealing lessons learned.

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Die lubrication: the big picture

June 14, 2005

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When considering a die lubrication method, you should be sure to evaluate its effect on your entire operation. While most of us focus on how lubrication affects just the manufacture of parts, a close look reveals that it affects many other aspects of running a plant. However, many of them are not obvious.

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Band sawing in short order

June 14, 2005

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Many metal fabricators, machine manufacturers, welding repair shops, and steel service centers encounter unique metal separation problems, particularly with band sawing. They often have to cut a variety of metal grades, shapes, and sizes with only a few band saw machines.

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Taking a long-term view of press brake productivity

June 14, 2005

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Reducing nonvalue-added time—back guauge origin, nonprecison clamping surfaces, die shimming, scrap, and inefficient tooling storage—over time can save thousands.

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Metal on his mind

June 14, 2005

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Most people are happy just to get their thoughts down on paper. Mike Ingram takes it a step farther, capturing what he sees in his mind in the metal he shapes and welds.

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10 steps to winning a government contract - Step 4

June 1, 2005

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Before we address getting the bid package, read the following. If you believe that you can find one bid – that one special bid – and put all your eggs in that basket, consider this: "I've missed more than 9,000 shots in my career. I've lost almost 300 games. Twenty-six times I've...

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