Mandrel

(n.) A bar of metal inserted in the work to shape it, or to hold it, as in a lathe, during the process of manufacture; an arbor.

(n.) The live spindle of a turning lathe; the revolving arbor of a circular saw. It is usually driven by a pulley.

艾丽莎手打

• Crude Condition until the Modern Lathe, Mandrel, Shuttle and Sewing Machine. 威廉·亨利·杜利特. 世纪发明.
• The block has a hole bored through its center, and in this the mandrel is inserted, the tube being forged around it. 佚名. 神奇的知识之书.

录入:特伦特