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Selecting a tube cutting process

November 9, 2004

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Tube fabricators use a variety of methods—sawing, lathe cutting, rotary cutting, supported shear cutting, dual-blade shear cutting, and laser cutting—to cut tubing from mill lengths into shorter pieces for use in final fabrication. No single method is optimal for cutting the broad range of tubular materials and tubular shapes produced by this industry.

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Know when to fold 'em

November 9, 2004

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Folding machines aren't the fastest machines for bending sheet metal, but for low- to medium-volume production, they can provide an efficient bending process. Because the equipment operator does not support the weight of the material during the bending cycle, folding machines are well suited to large, bulky parts. Also, part quality is not dependent on an operator's skill.

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Challenges and considerations in joining exotic materials

November 9, 2004

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Every day Voss Aerospace faces challenges that vary as much as the materials its welders join and fabrication processes they use.

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Launching a successful die protection program

November 9, 2004

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As I entered the clean, well-lit Midwest factory one day, I found several relatively new presses and feeder systems. The shop floor appeared to be well-organized, with material steadily flowing into and away from the presses. The employees seemed to know their jobs and were on task.But when I...

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Why use multiple-impulse resistance welding?

November 9, 2004

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Multiple-impulse welding isn't uncommon, but it's not usually the first choice for most resistance welding applications. However, experiments with this type of resistance welding demonstrate that it has a wider range of applications, especially when its modified heat balance is understood

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Having a safe office party

November 8, 2004

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Editor's Note: Originally published on December 11, 2003.It's that time of year when companies celebrate the holidays. Whether the celebration involves a lavish holiday party held off-site or a casual get-together in the office, both party organizers and attendees should follow safe practices, not...

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Wise words from the mountaintop—Part 11

November 1, 2004

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Editor's Note: This is the eleventh episode in a mountaintop dialogue that Gerald has been having with a "wise business guru." He has been advised to develop a feedback system and to become a master of metrology.My guru missed my joking attempt at yoda-speak. "Meteorology is the study of weather,...

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10 steps to winning a government contract - Step 1

October 14, 2004

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Editor's Note: This is the first in a 10-part series intended to help fabricators develop a plan to obtain a government contract. This series is a follow-up to John DiGiacomo's article "Fact, fiction, and the feds: Dispelling myths about selling to the government." Several steps are necessary to...

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Welding zirconium and zirconium alloys Part I

October 12, 2004

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Editor's Note: This is the first installment of a three-part series on welding zirconium. Part I addresses metallurgy, weld preparation, and shielding techniques. Part II covers welding technique. Part III discusses additional methods of joining refractory metals.

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Wise words from the mountaintop—Part 10

October 12, 2004

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Editor's Note: This is the tenth episode in a mountaintop dialogue that Gerald has been having with a "wise business guru." They have been talking about understanding that your niche is only part of the strategic planning job."Remind me of what you have tried so far to improve your cash flow," my...

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Making a case for in-die tapping

October 12, 2004

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Never before has competition been greater in the metal stamping industry, both domestically and worldwide.

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Using forming assessment tools to make wise die-buying decisions

October 12, 2004

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Establishing a good buying procedure is a critical aspect of the tool purchasing process. All too often tool supplier expectations are not communicated and executed effectively. Miscommunication can cause you to purchase a die that doesn't produce good parts, needs constant attention, wears out prematurely, or has other problems.

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A growing force in Washington, D.C.

October 12, 2004

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If you take a thorough look at federal bureaus and agencies, you'll see quite an array of departments intended to promote a variety of industries and business-related activities. Many of them have been around for decades, and some are more than a century old. The United States Department of...

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Site-based telemetry systems streamline gas supply

October 12, 2004

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Photo courtesy of TRUMPF Inc.Metal fabricators continue to find new applications for carbon dioxide (CO2) lasers. New uses combined with increased just-in-time processing, and lights-out operation place greater demands on laser, assist, and process gas supply and delivery systems—demands that...

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When hurricanes come

October 12, 2004

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Many people watched with awe as the recent barrage of hurricanes hit the Caribbean and southeastern United States. Charley, Frances, Ivan, and Jeanne caused destruction that totaled billions of dollars and, regrettably, took the lives of many people. We sympathize with all those who experienced Mother Nature's wrath and had their lives turned upside down.

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