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NLMK-Duferco, Esmark to Acquire Winner Steel

March 13, 2007

Novolipetsk Steel (NLMK) and Duferco Group have announced that Duferco U.S. Investment Corp. and Esmark have formed a consortium to purchase the assets of Winner Steel, based in Pennsylvania....

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Kobe Steel's U.S. aluminum forging unit to increase production

March 13, 2007

Kobe Steel Ltd. has announced that its U.S. subsidiary, Kobe Aluminum Automotive Products, LLC (KAAP), will further increase production of aluminum forgings to meet the growing U.S. market for...

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Electronic sensing device

Error-free tube fabrication

March 13, 2007

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Manufacturing processes are prone to variances, resulting in manufactured products that do not conform to specifications. Dozens of types of electronic sensors and measurement systems are available that fabricators can use to verify that their products are not defective. Understanding what types of sensors are available and how they work are the first two steps in implementing electronic sensing devices for quality control.

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Tube images

Tube drawing principles

March 13, 2007

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Five tube drawing methods are sinking, rod drawing, floating plug drawing, tethered plug drawing, and fixed plug drawing. Choosing the right method or combination of methods for a particular application requires understanding the characteristics of each. Tube producers also have a choice of feedstock: seamless or welded tube. Likewise, choosing the right one is a matter of understanding the differences.

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An exception to the industry rule

March 13, 2007

IRMCO, a 93-year-old manufacturer of environmentally friendly lubricant technologies for the metal forming industry, is not only surviving but thriving in an industry that's facing tough times with plant closures, downsizing, and fierce foreign competition.

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The adult learner: Training your labor force

March 13, 2007

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Training programs enhance worker skills, encourage employee/employer loyalty, and help reduce employee turnover. This article defines what is important to an adult learner, describes the different types of adult learners, and details the components of an effective training program. It also discusses trainer requisites.

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Proper weld speed

Improving manual plasma cutting quality

March 13, 2007

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Some tips and suggestions for best practices that will increase your efficiency and precision and prolong the life of your plasma cutter and consumables include: Take the time to read the manual thoroughly; develop a "preflight routine" visually follow the arc that is coming from the bottom of the cut—the arc should exit the material at a 15- to 20-degree angle opposite the direction of travel; and maintain a 1/16- to 1/8-inch distance between the tip and the workpiece.

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Laser cutting

Air cutting revisited

March 13, 2007

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Fabricators are increasingly using compressed air in laser cutting, instead of relying on laser assist gases such as oxygen and nitrogen. Recent findings reveal that shop air can be used on more material types and thicknesses, including parts on which the edge quality is visible.

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Abrasive fiber disks figure 1

Easing the grind of cost reduction

March 13, 2007

In early 2005 SPX CONTECH decided to evaluate the abrasive disks used in its 22 workcells for aluminum grinding in its Auburn, Ind., facility. By the end of the year the new disks had increased the number of parts processed and exhibited improved life per disk.

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Automated parts removal

Flexible automation of laser cutting, material handling

March 13, 2007

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What's the point in purchasing an expensive laser cutting machine if you are going to waste money-making opportunities by unloading parts manually? Good nesting software, proper maintenance, and the latest unloading technology can help to make automated laser cutting and unloading a reality.

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Automated tube bender

Reducing tube bending cycle times

March 13, 2007

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Because any multiple-step manufacturing process is only as fast as the slowest machine, fabricators interested in purchasing an automated tube bender might suddenly find his production line saddled with bottlenecks. It's necessary to analyze the entire production line and learn about the equipment that is available before automating the bending process.

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Plasma arc cutting

The ABCs of PAC

March 13, 2007

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Plasma arc cutting systems come in many capabilities. Knowing what those capabilities are and which ones you need for your operation is crucial when choosing a system.

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Gooseneck punch

Bending the new breeds of high-strength steel

March 13, 2007

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Several new breeds of high strength steels have arrived that bring with them a host of new opportunities. However, these new breeds also bring with them special challenges not common to bending mild steel, and with them, the need for new tools and new rules for proper bending.

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Rotary bevel head

Up with energy prices and wind towers

March 13, 2007

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With the recent increases in gasoline and natural gas prices, more attention than ever is focused on alternative energy sources. One fabricator, Aerisyn LLC, investigated manufacturing towers for use in the wind power industry. To produce towers efficiently enough to compete against imports from Asia, Aerisyn relied on an equipment vendor that had experience in demanding fields such as aerospace, nuclear, and wind power.

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Grainger donation to aid welder training

March 12, 2007

Grainger, a national supplier of facilities maintenance supplies to businesses, has donated $5,000 to the Hobart Institute of Welding Technology (HIWT), Troy, Ohio. The contribution will be used to...

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