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单词 Core making
释义

Core making

英语百科

Core (manufacturing)

Green-sand cores
A diagram of chaplet usage
Various types of chaplets.
A cheek used to create a pulley

A core is a device used in casting and molding processes to produce internal cavities and reentrant angles. The core is normally a disposable item that is destroyed to get it out of the piece. They are most commonly used in sand casting, but are also used in injection molding.

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