中心主轴线 principal central axis
中心主惯性轴 central principal inertia axis
中心公共主轴 Central Axis
主轴中心至立柱距离 Spindle center to column surface ; Center to Guide ; Spindle center to cloumn
主轴中心通孔直径 Hole through spindle
主轴中心至立柱导轨面 axis to column
中心惯性主轴 [力] central principal axis of inertia
主销中心立轴 king pin
主轴中心到立柱的距离 Spindle center to column surface
双主轴中心距 Two-headed center distance
以高速立式加工中心主轴箱为研究对象，针对其结构特点，利用ANSYSWorkbench平台建立了有限元模型。
The headstock of high-speed vertical machining center is taken as the object of study the finite element model is established based on structural features taking advantage of ANSYS Workbench.
建立了DMU-70V五轴数控高速加工中心主轴-夹具-刀具系统的有限元模型，并利用动态测试的方法对有限元计算结果进行验证；
The FEM(finite element method) of the main shaftclamping apparatus-cutter system for DMU-70V NC high speed machining was built, and the results of the FEM were validated using dynamic test.
对五轴联动加工中心主轴系统进行动力学仿真分析，对原主轴系统的轴承支承系统和主轴结构进行了动态优化设计，提出了双排轴承的设计方案。
Based on the dynamic simulation of the spindle system of 5-axis machining center, dynamic optimization design is done for the bearing support system and the structure of the spindle.
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