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Getting a grip

April 24, 2015

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Setting the grip die securely in rotary draw bending requires close attention to three factors: the pressure exerted by the machine, the contact area, and the material’s coefficient of friction.

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Metallurgy Matters: Influencing weld strength

April 24, 2015

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Weld metal strength: It’s a subject that’s often discussed, and just as often misunderstood. To fully consider how strong weld metal will be or how you can strengthen it, you have to think about not only the preweld decisions that influence weld strength, but also the postweld reactions and...

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Spiral pipe welding automation drives productivity

April 23, 2015

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To meet demand from the petroleum industry, spiral pipe producers have turned to advanced automated systems to ramp up production

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Punch it, laser-cut it, or something else? The sequel

April 23, 2015

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Ten years ago The FABRICATOR ran an article titled "Punch it, laser-cut it, or something else?" which looked at the different machines available to perform basic fabrication operations. New technology has changed the thinking a bit when it comes to the discussion of what can be accomplished with laser cutting and punching machines. This article sequel tackles those points.

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Assuring quality in the small to medium-size job shop

April 23, 2015

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Quality assurance is a critical aspect of fabricating. It requires input from various departments, careful inspection throughout all facets of the job, and detailed recordkeeping. Here’s a blueprint for optimum QA.

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Ask the Expert: Increasing progressive-stamping tooling life with the right lubricant

April 15, 2015

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I get a lot of questions regarding how to maximize the life of progressive-stamping tooling, but no one response fits all. We talk a lot about tooling materials, heat treatment, and coatings. But time and again, stamping lubrication is treated as relatively insignificant. Stampers put little...

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Ask the Expert: The continuing challenge of die maintenance

April 15, 2015

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Q: I have been trying to locate the die maintenance check list printed in a STAMPING Journal® article several years ago, which also included the 10 Tooling Laws. I am hoping you can lead me to it. A: You will find the check list at the end of this article. But even with a maintenance check...

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Ask the Expert: Determining stock width for stamping a part in a progressive die

April 14, 2015

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Q: How do I define the width of the metal stock required to stamp a part in a new progressive die? A: You need to consider a lot of factors when determining stock width for stamping a part in a progressive die. I assume your question on the stock width is so you can estimate the raw material...

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Ask the Expert: Fixing die shortcomings

April 14, 2015

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Q: We have a large stamping tool running in a 300-ton press. A changeover tool makes a left part and a right part, each of which is about 0.1 in. thick and shaped like a peanut. One-half of the part (lengthwise) is coined offset one material thickness in depth in addition to a number of other...

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3 tips for building an effective welding workforce

April 9, 2015

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Shapiro & Duncan Inc., a third-generation mechanical contractor serving the mid-Atlantic region offers some tips for building an engaged and talented welding team.

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Reaping rewards with precision laser cutting

April 8, 2015

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In 1973 full-time farmer Mike Van Mill tried his hand at building a grain wagon for a neighboring farmer, and he has been at it full-time since incorporating Brent Industries a few years later. Now the operations manager for Unverferth Mfg., Shell Rock, Iowa, Van Mill is part of a team that manufactures implements under the Brent brand name. The staff runs the facility like a savvy farmer runs a farm, always looking for a better way but proceeding cautiously. A sheet laser purchased in the early 2000s led to a tube laser purchased in 2014.

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Lean welding comes full circle

April 8, 2015

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Andersen Industries is experienced with working with large fabrications, such as custom trailers, and eventually sought a method to make it easier to help welders move equipment and accompanying lines. The result was a boom designed specifically for welding.

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Quality shines bright at MACO

April 7, 2015

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The recession nearly killed MACO Incorporated, a fabricator and machine shop in rural western North Carolina. But it survived thanks to some introspection and a new focus on quality certification.

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Building a winning motorsports weld shop

April 7, 2015

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Jeremy McGrath, a Supercross racer making the transition to off-road truck racing, recently set up a state-of-the-art motorsports welding shop geared toward component builds and repair work. If you’re setting up a motorsports welding and fabrication shop for the first time, there are some vital pieces of equipment that will help you be successful. It’s important to remember that you don’t have to be a renowned off-road truck racer to have a professional-grade motorsports fabrication shop.

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Metallurgy Matters: Reactions speak louder than words

April 6, 2015

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Before we get into nonferrous gas-metal reactions, let’s look at one of the ways you can identify potential cold-cracking problems in steel. In the May/June 2004 issue, we looked at cold cracking—also known as hydrogen cracking, delayed cracking, and under-bead cracking—as it relates to...

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