Tube and pipe basics: How to achieve the perfect bendExplore further
2014-2-24u2002·u2002To achieve the perfect bend, you need a good tooling setup, and nowhere is this more critical than in rotary draw bending. Consider the mandrel—its hardness matters. If you have a hard tube and a hard mandrel, or a soft tube and soft mandrel, the mandrel will tend to stick inside the tube and wreak havoc on the process.
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