The shortcomings of horizontal centrifugal casting machine are analyzed, and a vertical casting unit in structure of double-layered hollow abdomen is designed.
文章分析了卧式离心铸造机的不足，并针对这些不足，设计了一种双层空腹主轴结构的立式离心铸造机。
In addition, this kind of hydraulic pumping unit will be simple and convenient to machine, operate and maintain, because the double-acting hydraulic cylinder will be replaced by a plunger cylinder.
此外，用柱塞缸取代双作用液压油缸，使这种液压抽油机具有加工简单、成本低、维护和使用方便等优点。
An analysis of motional and mechanical characteristics for double toggle clamping unit with straight five points of injection molding machine is made by the structural method.
利用机构学的方法对注射成型机五孔直排式双曲肘合模机构进行运动和力学特性分析。
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