Practical Welding Today® was created to fill a void in the industry for hands-on information, real-world applications, and down-to-earth advice for welders. No other welding magazine fills the need for this kind of practical information. Subscriptions are free to qualified welding professionals in North America.
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November 12, 2014
Q: I need to repair an aluminum casting, but I have no idea what specific alloy it is. What filler metal should I choose? A: You can’t tell what an aluminum alloy is just by looking at it. Realistically, you’ll probably have to choose the filler alloy without being sure which casting alloy you...
June 11, 2014
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...
April 23, 2014
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...
September 13, 2013
Approximately 100,000 Americans suffer serious head injuries on the job each year, and nearly 1,000 American workers suffer job-related eye injuries each day. A common challenge when it comes to PPE compliance for the head, face, and eyes is to ensure health and safety are not sacrificed for efficiency and productivity, or vice versa. Increasingly higher noncompliance rates with PPE protocols is an alarming trend and a serious threat to your overall health and safety. Whether due to economic conditions, flawed safety programs, or attitudes that result in at-risk behaviors, these safety gaps must be addressed.
September 9, 2013
Supplying gas to your metalworking applications can be complicated, especially if the gas needs to reach multiple locations. If you are looking for cost savings and productivity gains, consider installing gas cylinders at one main location and controlling them with a basic manifold or switchover manifold. With this method you won’t need to worry about cylinders running out of gas.
September 5, 2013
Contact tips are highly misunderstood components in a welding gun setup. Choosing the correct contact tip for your welding application and understanding how to keep it performing at its best are just as critical as anything else needed to produce a quality weld.