表明采用收缩模数法计算浇注系统尺寸，用浇注系统补缩的无冒口工艺是可靠的。
The results show that the gating and feeding system without riser is reliable through calculating the sizes of gating system by moduli calculation method.
在UG造型软件基础上开发了铸造工艺CAD系统，包括工艺参数设计、冒口设计和浇注系统设计等模块。
The CAD system of casting process, including processing parameters, riser and gating system design modules, has been developed based on UG molding software.
系统主要功能包括：通用铸造工艺参数设计、实用冒口设计、浇注系统设计等。
This system consists of the common casting process parameter design module, the practical riser design module, the gating system design module, and soon.
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