Definitions

1. noun

A rod or bar with a hole through it, used for holding a workpiece or tool in a lathe or other machine.

“The machinist used a mandrel to shape the metal cylinder into a precise shape.”

2. noun

A cylindrical or conical body or core around which something is formed, such as a drill pipe or a wire.

“The drill pipe was inserted into the mandrel to create a precise hole in the metal plate.”

3. noun

A metal or plastic sleeve used to guide the movement of a tool or a workpiece in a lathe or other machine.

“The lathe operator used a mandrel to guide the drill bit as it cut through the metal rod.”

4. verb

To shape or form something, especially by rotating it around a central axis.

“The mandrel was used to mandrel the metal tube into a precise cylindrical shape.”