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gas delivery

The economies of efficiency in gas delivery

April 28, 2014

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Continuous supply of gas to a fabricating activity is the goal of any shop. Fabricators may not realize that they have choices in gas delivery system design that help to ensure uptime is maximized.

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Beveling plate without the HAZ

April 28, 2014

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To avoid a heat affected zone and improve accuracy and throughput, fabricators can turn to nonthermal beveling options, incluiding milling, nibbling, and automated grinding

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Arc Welding 101: Advice for quoting weldments

April 25, 2014

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Q: I am looking for some insight on the best approach, best practices, and industry standards for quoting weldments. There seems to be a great deal of information out there about deposition rates and travel speeds, but not a lot about the additional variables like clamping, part handling, cleaning,...

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Arc Welding 101: Finding clues in the AWS D1.1 Commentary

April 24, 2014

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Q:The company that I work for makes a single-pass circumferential weld on which there is a minor tendency for an open pore in the weld crater at the tie-in. Our engineering department deems this weld discontinuity as a cosmetic issue only and thereby has authorized the use of a sealant. In the...

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Arc Welding 101: Passing a weld test

April 23, 2014

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Q: Why do good welders fail weld tests? Anonymous A: Sometime around 1981, when unemployment rates were near 9 percent and after I had moved around from one bad job to another, I was given the opportunity to take the welder qualification test at Cyde Iron Works in Duluth, Minn. Passing the test...

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Arc Welding 101: Use and identify tungsten electrodes correctly

April 22, 2014

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Q: Can you tell me how to identify tungsten after the paint is worn off? Anonymous A: The two most common processes that use a nonconsumable tungsten electrode are gas tungsten arc welding (GTAW) and plasma arc welding (PAW). These electrodes come in a variety of compositions or alloys, and...

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Arc Welding 101: Short-circuit MIG not prequalified in AWS D1.1? No problem …

April 21, 2014

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Q: The company I work for welds with GMAW-S, and all of the weld procedure specifications (WPS) that we have are from prequalified AWS D1.1 welds. When I look in D1.1, I find that GMAW-S is not a prequalified transfer mode. Are all of our WPSs null? If I understand D1.1 correctly, we would need to...

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Arc Welding 101: Grooming tips for welding equipment (and the men who use it)

April 21, 2014

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Instead of a Q&A column this issue, we’re going to talk PPE and hygiene. The idea was inspired by my wife Dianne, who bought me an issue of Esquire magazine before our trip to Oregon. She was adamant that I read it, so finally I picked it up. Among the advertisements for men’s fragrances,...

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Art of the Steel

April 21, 2014

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Welder Josh Welton, Brown Dog Welding, has found success far beyond the work he does in his shop. Through social media, Josh has created a brand in demand by an ever-increasing following. The latest venture in the shop’s evolutionary process is Art of the Steel, a book that features Josh’s metal art and more.

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Wind energy meets the sail

April 21, 2014

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Metal fabricator Pete Agtuca launched a product several years ago, but it failed to gain acceptance in the marketplace. He now has his second wind. He’s applying the science behind that failed product—generator technology that can generate electricity at low rotations per minute—to wind power generation.

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Asking all the right questions

April 21, 2014

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Texas is known for two or three commodities, namely cattle, oil, and barbecue, but the state has plenty of manufacturing, too. It’s a good environment for a fabricator and an entrepreneur with the imagination to come up with new products and build prototypes, regardless of the industry or market. Devin Gerland, found of JackRabbit Manufacturing, is one such entrepreneur.

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MVEs: More valuable employees

April 18, 2014

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Drew Greenblatt firmly believes that Marlin Steel, Baltimore, is only as successful as the talented crew that works on the shop floor. That's why the company's management team has created a Skills Matrix, ensuring that the shop always has someone who can stand in and perform the job of someone else.

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80/20 homework

April 16, 2014

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Before a company looks to increase its inventory buffer as a step to improve on-time delivery, a shop should exhaust less expensive options first. These homework assignments may help fabricators explore those options.

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Shop technology and 3-D CAD: Product visualization

April 16, 2014

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Columnist Gerald Davis walks the reader through a hypothetical production development design exercise to show just how different product development CAD work is from production-ready CAD assignments.

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A growing pie for the next generation

April 15, 2014

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How can fabricators attract the best and brightest? According to speakers at The FABRICATOR's Leadership Summit, held earlier this year in Austin, Texas, it's about growing the business through progressive management and open communication.

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