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Consumables Corner: Tackling root penetration problems

June 12, 2014

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Q: We are experiencing weld root penetration issues in our single- and multipass welds. Our base metal is A36, and we oxyfuel-cut it in thicknesses from ½ to 3 in. Most of the weld joints are standard T-joints with a few groove joints. We are using a 0.045-in.- dia. E71T-1C/M flux-cored wire with...

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Big-time fabricating

June 11, 2014

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Greiner Industries, Mount Joy, Pa., has been able to expand over the years because its owner senses opportunities that other shops want no part of. As a result, the company has emerged as an atypical fabricator with incredible fabricating capabilities.

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FAB 40: The story behind dramatic growth at MEC

June 11, 2014

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After a major acquisition, Mayville Engineering Co.—No. 1 again on the FAB 40—is poised for serious growth in the years to come.

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Consumables Corner: Examining the root cause of distortion

June 11, 2014

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Q: We manufacture hydraulic cylinders. Ever since we changed our shielding gas blend, we’ve noticed a higher level of distortion. Before the change we used a 95/5 blend, but now we use 92/8, which we have documented using a 0.045-in.-dia. filler metal. Would the 92/8 blend run hotter and cause...

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Consumables Corner: The reasons for and misconceptions about preheating steel

June 10, 2014

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Q: We are expanding our job shop and adding the capability to work with much heavier structures, including considerably thicker materials. Some of these jobs specify high-strength materials and preheating. Some of our welders claim preheating is performed to remove water from the steel. Can you...

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FAB 40: Growing on a bedrock of data

June 9, 2014

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For many fabricators in this year’s FAB 40, smart use of information has become the bedrock of high-product-mix metal fabrication. As that bedrock becomes stronger, fabricators may continue to grow even larger.

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TUBE® expo exhibitors demonstrate the latest equipment for monitoring dimensions

June 9, 2014

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The manufacturing standards for manufacturing and fabricating tube and pipe are continuously on the rise as OEMs demand tighter tolerances and ever-greater dimensional consistency. Keeping up with these trends is a matter of keeping up with the technologies available to monitor processes and measure tubular products.

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5 common myths about robotic welding systems

June 9, 2014

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Subscribing to common myths about robotic welding systems can cause headaches and prevent you from making the most of your investment.

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Bending tube greener and cleaner

June 9, 2014

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For many, ideas such as green and sustainability are synonymous with recycling, but recycling is just one small part of doing things in a greener way. Minimizing the consumption that later needs to be recycled (waste) is an important aspect, too. Among tube and pipe fabricators, one area that can yield big benefits is lubricant consumption.

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Consumables Corner: Defining current density

June 5, 2014

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Q: Our company manufactures cylindrical structures, including tanks and smokestacks made from A36 or A572 material. The material is burned to size on a plasma table and mechanically beveled. Process limitations cause gaps in the joints during fit-up. We use a 0.045-in.-dia. solid wire with a 75...

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Ask the Stamping Expert: What are the best practices for progressive-die maintenance?

June 5, 2014

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Q: I manage a toolroom of 15 toolmakers. We supply the automotive connector industry primarily. I am looking for best practices on progressive-die maintenance. Do you recommend any die maintenance procedures? A: I am literally inundated with questions on the proper way to maintain progressive...

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BIM’s past, present, and future

June 2, 2014

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To understand how building information modeling promises to further change the structural steel fabrication business, you have to know how it evolved over the years.

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Arc Welding 101: When to use updated AWS D1.1

June 2, 2014

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Q: I currently use the AWS D1.1-2006 edition and was wondering if I should get the 2010 edition. Dan C. A: Take a look at Section 4.2.1 of your D1.1-06 edition, referred to as “Clause” in later editions. It states, “The use of earlier editions shall be prohibited for new...

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CUTCO Corp. uses engineered abrasives to create a new finish

June 2, 2014

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After several decades of operating large "cut-down" machines in search of the perfect finish for its cutlery, CUTCO Corp. decided to look for a new cutting-edge way to deliver the same results, but more efficiently. It found an answer with engineered abrasives and new finishing machines.

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Inverter helps manufacturer achieve improved arc starts, arc control

June 2, 2014

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The welders at JATCO Environmental Inc., a manufacturer of steam-to-liquids condensers for natural gas extraction, had a problem with striking and maintaining a good arc. When the company switched from a rectifier-based unit to an inverter-based unit, the welders found that the arc starts and weld characteristics were greatly improved.

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