Slow work, can meet the precision handling, sand box mold, machine maintenance and other fine work requirements.

慢速工作时，可以满足精密装卸，砂箱合模，机床检修等精细作业的要求。

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Sand molds for the production of small and medium-sized castings are made in a molding box. The mold is made in two or more parts in order that the pattern may be removed.

中小型尺寸的铸件砂型是在一个砂箱中制造，砂型由两部分或更多部分组成，以利于模型的顺利取出。

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