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How to get scheduling right

August 28, 2014

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Many point to scheduling as one of the most challenging aspects of running a custom fabrication business. Why, exactly? Sometimes it’s the software, but quite often, it boils down to the inputs used to create the schedule in the first place.

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Exploring the versatility of laser vision systems

August 28, 2014

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For tube and pipe applications, laser vision systems are commonly used for seam tracking on the mill, but they are useful for many more applications—such as edge bevel measurement; strip width measurement and centering verification; mill process control; and coating control. For pipeline construction, they can verify the integrity of end face bevels and weld bead profile measurements.

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Consumables Corner: Eliminating porosity on galvanized steel

August 28, 2014

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Q: Our company manufactures storage rack systems made from mild steel and galvanized tubing. A majority of our parts are fixture-welded on a robot using 0.045-in.-diameter ER70S-6 wire with 90 percent argon/10 percent CO2 shielding gas. We have experienced problems with weld appearance quality and...

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Fabricator delivers a big fish story

August 28, 2014

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Lou Rodriquez finds out he has a talent for creating metal art and ends up with a fish tale that is easy to believe because people can see the result: a huge metal sturgeon that’s the talk of Port Huron, Mich.

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Arc Welding 101: Reading between the lines of AWS D1.1

August 27, 2014

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Q: I am a weld inspector and one of my clients builds control panels. A potential customer of theirs requested that they conform to AWS D1.1 standards on a control panel. This seems odd to me. Can a company become AWS D1.1-certified? Is there a certain process they have to go through to become a...

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The economics of small-parts bending

August 27, 2014

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Bending small parts presents various challenges for press brake technicians, who need to make sure they can bend these small parts quickly and, most importantly, safely. Although the best approach to bending depends on the application, the electric press brake can help make the job much easier.

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How to prepare for the aging workforce

August 27, 2014

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The aging workforce is a complex, multifaceted issue, but it has one immutable fact: There will be more older people working than ever before. Older workers can be incredibly valuable to a manufacturer. They have the experience and skill that this industry craves. But you can’t escape biology. As we get older, the body changes, and the workplace needs to account for these changes. The good news is that these changes not only help older workers, but every employee at the company.

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Consumables Corner: Changing over to metal-cored wire in SAW

August 27, 2014

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Q: One of my vendors recently approached me about replacing the solid wire in my submerged arc welding (SAW) application with a metal-cored wire. Should I consider making the change? A: Depending on your application, you should certainly consider making the change. Metal-cored wires can provide...

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Consumables Corner: Lowering weld hardness in SAW

August 26, 2014

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Q: We manufacturer dual submerged arc welded (DSAW) pipe for API use. Some jobs require that the weld hardness be below 250 Vickers. We are having trouble meeting that requirement. What can we do? A: Weld hardness restrictions generally are found in pipelines designated for sour service and are...

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Consumables Corner: Choosing a filler metal supplier with critical welds in mind

August 25, 2014

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Q: What should we look for when choosing a filler metal supplier for critical welds, such as those in the power generation industry? A: For critical applications, you need to find a supplier with a long track record in understanding the needs, developing products, and creating solutions for that...

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Consumables Corner: Selecting filler metal for robotic welding

August 22, 2014

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Q: We are just getting started in robotic welding. What advice can you give us on how to select the correct filler metal? A: As in any high-productivity application, the main consideration in selecting a filler metal for robotic welding is performance consistency. You want a wire that will...

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Consumables Corner: Storing stick electrodes

August 21, 2014

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Q: I recently saw a comment that regular stick electrodes could be overdried in ovens to the point of causing poor weld performance. Is this true? We store all our electrodes, including low-hydrogen, at 135 to 140 degrees F at all times and have not noticed any problems. We are located in Arizona,...

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How to save U.S. manufacturing

August 18, 2014

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The majority of U.S. citizens agree that manufacturing is vital to the economy and national security. So what can be done to save manufacturing? In his new book, Dr. William Killingsworth outlines a five-step program the government must implement to make it happen.

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TIG welding: When looks matter

August 18, 2014

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Every GTAW bead tells a story. Learn how to identify what your weld bead says and make adjustments to amperage, travel speed, and consumables to ensure your GTAW bead tells the story you want it to.

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Shop technology and 3-D CAD: Creating the documentation essential to fabrication

August 14, 2014

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Columnist Gerald Davis describes how a detailed 3-D CAD model can be a great help to those in procurement, fabrication, and assembly.

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