



To those of you who didn’t just click your browser’s back button, here we go: The Goal of Tube Bending So without further ado, we bring you: wall factor and “D” of bend. And while we’d rather be bending a cage back in our shop right now, too, but we think you’d like to know just what’s going on when you throw a stick of material into your tube bender and wrap it around the die. Every so often, we have to break out our book learning. We’re about to get technical-like really technical. But beneath those dirty fingernails and stained welding gloves, there’s a lot of science at work. No doubt you’ve heard people say that metalworking is “more of an art than a science.” If you’ve ever watched the learned hands of a bonafide craftsman piece together a stunning custom bike or a breathtaking bomber seat for a hot rod using only tools that he made and knowledge born only from the gallons of sweat spilled on his dirty shop floor, you know metal fabrication is an art.
