Paul Cameron





Don't underestimate welding vocab

September 11, 2007

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I was recently involved in a discussion about a joint discontinuity. We were trying to determine whether it could be considered undercut or underfill. The weld did not fill the butt joint for the entire V-groove length. Some guys classified the melted-away edge of the joint as undercut; I...

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Paul Cameron

Arc Welding 101 - Paint tank troubles

May 8, 2007

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I am building a 400-gallon paint tank and I'm having trouble with leaks when using gas metal arc welding (GMAW).

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Arc Welding 101

May 8, 2007

By:

I am building a 400-gallon paint tank and I'm having trouble with leaks when using gas metal arc welding (GMAW).

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Arc Welding 101 - Preheating a shaft-sprocket assembly

February 13, 2007

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We are welding 1018 cold-rolled, 2.5-inch-diameter shaft to a sprocket made from 1045 steel. We preheat the shafts to about 200 to 250 degrees. We are having some failure of the shaft, and I'm wondering what the proper procedure is for welding the assembly together. The sprockets are welded...

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Weld inspection before you weld

April 11, 2006

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Although it takes effort and time, procedure qualification testing can help you standardize your welding procedures and know what to expect when it comes to the quality of your manufactured parts.

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Are your weld procedure specifications relevant?

March 8, 2005

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In fabrication shops that require code or standard compliance, welding sometimes isn't completed within the guidelines of the qualified weld procedure. Weld inspectors often must review finished products that don't make the intended customer happy. Inspectors typically try to answer the following...

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