A mandrel is a long tool which is often placed inside the aluminium tube. The tube is then pressed against the mandrel to create the bend required, often using a mandrel tube bending machine.
Mandrel bending is used to create a clean, sharp bend – preventing the tube from malforming in the process of the bend. The mandel is held in a fixed position with the tube pulled over it. Mandrel bending is often used inserting very tight bends into aluminium tubes.
Mandrel bending is often used to make products such as:
- Chair legs
- Tubing in automotive engines
- Handles on machinery
- Tubing in the aviation industry
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