Considering the construction and quality requirements of the principal shaft, a special production process with horizontally molding and vertically pouring was adopted.
根据主轴铸件的结构特点及质量要求，采用了平做立浇铸造工艺。
The milling driving device is characterized in that the mill principal axis is directly connected with the output shaft of the hydraulic motor by a joining sleeve.
本实用新型可使整个铣刀主轴组件结构简单、紧凑、 具有很强的实用性。
According to the principal of Hahn method, the method to solve the velocity of shaft center has been derived on basis of FEM.
根据Hahn方法的基本原理，推导出了基于有限元方法求解轴心运动速度的求解方法。
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