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Everything you need to know about flatteners and levelers for coil processing—Part 1

October 10, 2002

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This is article is part 1 of a four-part series covering flatness and stability in cut-to-length, slitting, and tension leveling operations. This article covers how flat rolled metal gets unflattened, including the 3 categories of defects, how defects are created at hot and cold mills, and how coil processors also create defects.

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Signal equipment house

Metamorphosis: Topeka fabricator automates to emerge

October 10, 2002

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A contract manufacturer of railroad and telecommunication signal house enclosures had long relied on job shops to supply the sheet metal parts, which it then assembled. But the president, Patti jon Christensen, wanted to bring all the manufacturing under her own roof so she could build the company's future on parts that met her company's quality standards and timely deliveries. The company installed a flexible manufacturing system (FMS) from Finn-Power in March 2000 and has achieved its goals, to the point that it plans to add a second FMS.

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Aluminum car design figure 1

Deep drawing aluminum—not as hard as it looks

October 10, 2002

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Keeping a couple key tips in mind can help you turn aluminum stamping from a source of frustration to a source of income and satisfaction in a hurry.

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Analyzing tubes, lubes, dies, and friction

October 10, 2002

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Comparing and correlating two tests, a common bench test (twist compression) and a straight-tube corner-fill test, simulate hydroforming to find the coefficient of friction.

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bill capozzoli plaque

A monument(al) rememberance

October 4, 2002

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Welder Bill Capozzoli owns and operates a small specialty fabrication company. He works with architect Phillip Conte to fabricate a memorial made of stainless steel to honor fallen Delaware County, Pa. law enforcement officers.

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What the well-dressed welder is wearing

September 26, 2002

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Dressing properly for welding involves many facets of safety, including proper use of personal protective equipment and welding tools as well as protective apparel. Welders should be aware of the hazards they will face on their job and know to dress for them so they can protect themselves from all possible potential welding dangers, from sparks and spatter to fumes and electrocution.

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Absolute Control: Implementing a master control system for hydraulic press lines

September 26, 2002

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Advanced master control systems in hydraulic press lines are designed to help achieve shorter changeover times, transparency of line operation, minimize personnel requirements, and increase productivity levels and uptime.

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Set loose the juice

September 26, 2002

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As in other facets of welding equipment technology, arc welding power sources are evolving as fabricators' needs change. Electronics is playing a large role in power source modernization as power source equipmentmakers begin to employ digital interfacing, Internet access, software control, and other innovations to these machines.

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Canada sighs, strategizes

September 26, 2002

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The exclusion of Canadian steel producers from restrictions on imports to the U.S. was a relief after months of uncertainty. The Canadian steel industry wants to ensure that the Canadian market does not become a back door for imports into the U.S. Keeping the industry strong by opening new markets, developing lighter, stronger and more corrosion-resistant steel products, and working closely with the automotive industry is vital to that goal.

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Production economics

September 26, 2002

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Communicate your production economics in meaningful ways to your clients. Be clear about how you measure performance and regulate processes.

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Filter lenses for protection against radiant energy

Saving face: What to look for in safety eyewear and facial protection

September 26, 2002

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According to OSHA, it is estimated that 9 out of 10 occupational related eye injuries could be avoided through the use of proper safety equipment. OSHA's 1910.133 places the responsibility for eye safety squarely on the shoulders of the employer. Goggles, spectacles and face shields protect the eyes and face from impact from flying particles, hot sparks, liquid chemicals and vapors. In addition, protective eyewear constructed with special shaded lenses rated from 1-15 offer protection against injurious light radiation and glare.

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Airless sprayed part figure 1

Tooling: Lube it or lose it

September 26, 2002

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Most metal forming operations use lubricants to protect the tooling and part from excessive wear caused by scuffing, scratching, scoring, welding, and galling. Four lubricant families are commonly used in pressworking, and thousands of formulations are available within each chemical family. The physical characteristics of the lubricant and metal forming operation involved determine the application method to be used.

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Aluminum Workshop: Preparing, testing bend samples

September 26, 2002

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Almost all welding codes require bend tests for welding procedures and welder qualifications. These tests can cause more problems in aluminum than in steel.In bend testing, a 1.5-inch-wide sample is cut so the weld is running across the width of the sample. Then the sample is bent around a...

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FCAW pretty much can do it all

September 26, 2002

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FCAW not only is easy to teach and to use, it's one of the most flexible welding processes around.

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Enclosed-arc weld heads

Assessing developments in orbital welding—Part 1

September 12, 2002

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The GTAW Process Editor's Note: This article is the first part of a two-part series about developments in orbital welding. Part I discusses power supplies, weld heads, and electrodes. Part II, which will appear in the October/November issue, will focus on hardware and accessories that improve...

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