Each rotor impeller is composed of a cast iron frame, a graphite casing, an upper main shaft, a lower main shaft, the graphite impeller and the belt wheel.
转子叶轮由铸铁支架、石墨套管，上部主轴、下部主轴、石墨叶轮和皮带轮构成。
2
As the components of the pump such as pump casing, motor frame, etc., aluminum alloy cast (AC4C-T6) has been a subject of discussion in several LNG pump manufacturers.
作为泵的泵壳等组成，电机架，等，铝合金铸件(ac4c - t6)已在几个LNG泵制造商讨论主题。
3
This paper describes the calculation methods of finite element strength for spokes framecasing, which is used in aero-engine by the actions of various complex loads.