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What is the difference between a mandrel bender and a pipe bender?
The first difference is actually pipe vs tubing. Pipe is measured at the inside diameter or ID vs tubing being measured at the outside diameter or OD. Dies for bending pipe and tubing are different because of the different measurements. A mandrel is pulled through tubing or pipe to keep the inner diameter constant.
How can someone learn the art of bending sheet metal?
There are several ways an individual can learn the art of bending sheet metal. There are tutorials, both written and video, on the internet at many websites. In addition, an individual can seek out professionals in the field and ask for assistance in learning the art.
What is stronger a round steel pipe or a steel hollow square bar?
By stronger, we need to define the loading conditions of the rod or pipe. The strength of a rod or pipe is typically evaluated with axial, transverse (bending), and torsion loads. With the same diameter and the same material, a solid rod is stronger than a hollow pipe. However, with the same weight and material, the hollow pipe is stronger than a solid rod. Because a hollow pipe is lighter than a solid rod at the same diameter, the hollow pipe would have a larger diameter in order to match weights with the solid rod and a larger diameter rod or pipe is stronger than a smaller diameter one.
What is the formula to layout pipe saddles for joining pipe at angles?
I edited and uploaded a program I wrote to calculate pipe saddle layout, pipe miter layout, and to calculate running offsets for piping runs. I have used similar programs in the past to get information to pipe fitters. I am using and evaluating a conversion program that limits what I can upload during the free trial period; so the sheets may be a bit awkward to use....let me know. Those of you who use the method of dividing a pipe in 16-divisions will note I have added 64-division points should you want to use these; the 64-divisions would be better to use if you were making a saddle template for larger pipe or for a saddle with a shallow angle. (I moved this to 'www.pipesaddlelayout.com) Let me know if it works for you or what seems confusing. Dave
Where can a person find tube bending services?
There are multiple tube bending services to be found online on various websites. The most recommended websites are 'Tube-Bending-Service' and 'Barnshaws'.
