采用带抽芯机构的组合压型，制作出了行星轮架整体蜡模。
The inner core pulling of The gear planetary frame can be solved by adopting combinative core.
研究了负压度、模样密度、浇注温度、金属静压头等工艺因素对消失模铸铁件充型速度的影响规律。
The filling speed of lost foam cast iron casting was measured by use of an integrated set of experimental equipment and a specially designed computer acquisition system.
运用此CAD软件设计出的多面形体的银器与首饰，由不同技术处理实现，其中包括CNC计算机数控制作、压膜、冲压成型效果、快速仿型技术以及浇注制模技术。
The faceted silverware and jewellery is designed using CAD and realised using processes such as Computer Numerical Control (CNC) milling and press forming and rapid prototyping and casting.
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