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Consumables Corner: Choosing the correct filler metal for mismatched base materials

July 22, 2016

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Q: We're a small shop that builds and welds a lot of custom metal products. In many instances, the products are made from two or three different material combinations, including stainless steel at times. Is there a good rule of thumb for deciding the correct filler metal to use? A: That is a...

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Arc Welding 101: All’s not fair in welding between U.S. and Canada

July 22, 2016

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Q: I know what you're thinking—another early Saturday morning question.... I've been looking at the requirements for obtaining a Canadian Welding Bureau CWB) inspector certification. Am I seeing this correctly? A CWB inspector can apply for an AWS certified welding inspector (CWI) by reciprocity...

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Aluminum Workshop: What are the advantages of AC in aluminum GMAW?

July 22, 2016

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Q: Lately I have seen a few welding equipment manufacturers offering gas metal arc welding (GMAW) power sources that use alternating current (AC) instead of the direct-current electrode-positive (DCEP) current. Can you tell me what, if any, advantages there are to using AC instead of the more...

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Robotic welding fume capture 101

July 21, 2016

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The Robotic Industries Association reports that an estimated 260,000 robots are operating in North American factories. If you are joining in on the trend, it may be time to reassess the fume collection requirements for your facility. It’s best to make this part of the planning process before you install robots. If you wait until weld cells are already in place, installing the collector can be problematic. It is always better to engineer the fume removal equipment in advance for the space and the application.

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There’s something about Marty

July 20, 2016

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Marty Rice’s time as Arc Welding 101 columnist was relatively short, but his breadth of work online and in print has educated, inspired, and entertained readers for more than 10 years.

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Inside Frank’s Aluminum Workshop

July 20, 2016

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Practical Welding Today’s Aluminum Workshop columnist Frank Armao is the magazine’s longest-tenured contributor. Read how he landed the gig and what he’s learned during his 14-year journey.

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Still asking Elmer

July 20, 2016

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The Ask Elmer column, written by Hobart Institute of Welding Technology instructor Elmer Swank, appeared in Practical Welding Today for four years. Even though the column no longer exists, Swank is still in the business of answering questions and developing good welders.

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Welding trends, technology advancements, and tales

July 19, 2016

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A collection of PWT Editorial Advisory Committee members discuss what they believe to be the most important advances in welding technology, trends, and education.

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Long live the “Welding Queen”

July 14, 2016

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Her energy was genuine and her love of welding and welders was as real as the smile on her face. Ten years after leaving Practical Welding Today®, former editor Stephanie Vaughan shares her fondest memories of an industry she still loves.

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Shelving bad habits with your GMAW gun

July 14, 2016

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A welder tired of accidental triggering or incidental damage to his gun developed a holster that can be mounted to a worktable, welding cart or in any way necessary.

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Grill or be grilled

May 23, 2016

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A fabricator of one of the most renowned wood-fired grills available recently integrated a robotic welding cell to help cut lead times and keep up with overwhelming demand.

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Still waters run deep

May 23, 2016

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Elaine Waters, the 2016 PWTeacher of the Year award winner, has taught, inspired, and intimidated the hell out of welding students for 30 years. This is her story.

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Consumables Corner: Breaking down CTOD and CVN testing

May 13, 2016

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Q: We're a job shop and much of our work is customized or unique. Because of this, we have to work with multiple welding codes and sometimes we have to verify welding procedures. We have been bidding on some new projects that have welding crack tip opening displacement (CTOD) requirements. How is...

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Arc Welding 101: Defining a fillet weld with D1.1

May 13, 2016

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Q: I'm auditing a fab shop and have a question regarding the AWS D1.1 code. The shop is referring to the corner joints in the plates encompassing the columns as fillet welds, yet there is no faying surface. D1.1 says a fillet can have up to 3/16-in. misalignment (with certain stipulations), which...

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Aluminum Workshop: The perks of a push-pull gun for GMAW

May 12, 2016

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Q: I will be getting into aluminum welding much more than I have in the past. I want to buy a new set of equipment for gas metal arc welding (GMAW) and I’ve already picked out the power supply and feeder. Should I buy a push-pull gun or stick with the simpler and less expensive push-only gun? A:...

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