Mandrel 6 : A special shaft used for mounting a workpiece which is rotated during machining, e.g. a workpiece in a lathe, or a gear wheel while the teeth are being cut
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}