其中最重要的是确定型芯和型腔的结构，例如是采用整体式还是镶拼式，以及它们的定位和固紧方式。

The among them and most important is a certain type core and the construction of the type, for example adopt the whole the type of type still, and their fixed position and tight way of.

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往往只能型芯分开成型，再进行组装，定位误差增加。

It only can separate mold from core frequently, and then conduct the assembly; positioning error is increased.

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砂芯座是加在型模、砂芯或铸模上的特定区域，用来在铸模内部定位和支撑砂芯。

Core print is the region added to the pattern, core, or mold that is used to locate and support the core within the mold.

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