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Closing the skills gap

September 28, 2015

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A collaborative approach between industry and education brings purpose to a student’s learning experience, gives them a realistic road map to help them develop future plans, all while helping meet local and regional workforce needs.

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Shielding gas blends for carbon steel GMAW

September 28, 2015

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Argon and CO2 are the most commonly used gases in gas metal arc welding (GMAW). Alone, each has pronounced advantages. Together they combine to neutralize each other’s weaknesses and capitalize on each other’s strengths, all while providing you with your desired weld requirements.

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Creating a safe welding environment

September 28, 2015

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Implementing safety measures in the welding environment doesn’t need to be a top-down activity. Involving employees and encouraging them to provide insight can go far in establishing a safe welding operation and maintaining it. Choosing dependable safety equipment is also important. More durable products last longer, which reduces costs. Safety products that fit well and are easy to use also reduce downtime and increase worker acceptance.

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Aluminum Workshop: Defining, stopping porosity in aluminum welds

September 28, 2015

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Q: I’m having quite a bit of trouble with porosity in my aluminum welds lately. Can you tell me the sort of measures I should take to minimize the porosity? A: Let’s first define the basic cause of weld porosity in aluminum and then go on to summarize the major causes. All porosity in...

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Selecting the right contact tip size

September 24, 2015

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Using the right-sized contact tip is critical to achieving optimal results in robotic and semiautomatic GMAW operations. Among the factors that determine the right tip size are the process and wire.

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Sheet aluminum alloys for cans and cars

September 14, 2015

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Not all aluminum sheet is created equal. It pays to know your grades before selecting the type for your job.

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An introduction to reliability-centered maintenance

September 10, 2015

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Using reliability-centered maintenance to create an effective maintenance schedule helps to avoid critical stoppages in the production of parts.

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Shop technology and 3-D CAD: Forming sheet stock

September 8, 2015

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Columnist Gerald Davis demonstrates the flexibility of forming tools in CAD modeling by working on the body of a not-ready-for-prime-time tricycle.

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A grand unifying theory of bending on the press brake: Part I

September 8, 2015

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Press brake guru Steve Benson proposes a new theory of bending, altering some long-held labels and definitions and introducing new formulas. Those long-held definitions worked well, but these new definitions and formulas may help a press brake technician become even more accurate in predicting how a part will form.

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Scheduling by constraint in metal fabrication

September 8, 2015

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As stated in the theory of constraints, the constraint process governs the pace of manufacturing. In job shops, the constraint may change from job to job. Identifying a controlled constraint, or control point, can simplify scheduling even in the complex world of high-mix, lowvolume manufacturing.

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2015: What keeps you up at night?

September 8, 2015

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The huge economic rebound that normally follows a recession has never really materialized, but metal fabricators appear to be making the most of the slow and steady climb from the economic doldrums of the late 2000s. The 2015 “What Keeps You up at Night?” survey suggests that fabricators are looking to take the steps necessary to support continued growth in their businesses.

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Detecting steel tube and pipe corrosion using SEM analysis

September 8, 2015

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Although the causes of corrosion have been researched and documented, advanced tools are helping to expand the understanding of corrosion behavior. Magnification by a scanning electron microscope and analysis by energy dispersive spectroscopy are modern tools that help to improve the understanding of corrosion mechanisms.

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Lean or mean in punching tool organization?

September 8, 2015

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Examining the eight deadly wastes can help to eliminate inefficient production practices in a fabricator's punching operation.

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Metal stamper takes to the lake

September 8, 2015

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Kenmode Precision Metal Stamping, Algonquin, Ill., displays strong design and manufacturing skills in the creation of a cardboard catamaran for the 31st America’s Cardboard Cup Regatta at Crystal Lake, Ill., earlier this summer.

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Plasma cutting meets biochemistry

September 8, 2015

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A fluid for plasma cutting tables is designed to coat workpieces to prevent rust and corrosion. The fluid effectively biodegrades bacteria on contact. The company also reports that the fluid is safe enough to send down the sewer.

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