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YKSL1730立式电机转子模态仿真研究
YKSL1730立式电机转子模态仿真研究
摘 要：应用3维建模软件建立了YKSL1730型大型立式电机转子的3维模型和虚拟样机模型，在MSC.visualNastran有限元前后处理与仿真系统中，建立了该电机转子的有限元模型，对电机转子进行了运动学仿真分析，得到了转子的受力参数值。通过运动学仿真验证了仿真模型的正确性。并对3维模型进行有限元模态仿真，获得频率、振型及分布规律，验证了现有电机转子结构能够满足设计要求。通过对转子铁心结构长度的修改，建立了1系列电机转子模型，对它们进行模态仿真，获得转子固有频率与铁心长度的变化规律，最后给出了电机转子铁心结构长度的修改方案。该方法可为同类产品的设计修改提供参考。
关键词：虚拟样机；立式电机；运动学仿真；模态仿真；振型
Study On Mode Simulation of the rotor of large type vertical motor YKSL1730
Abstract: Virtual prototyping models and 3D models of the rotor of large type vertical motor YKSL1730 have been established in 3D modeling system Then by using MSC.Nastran finite element simulation system, the finite element models of the rotor have been established, kinematics properties, and natural modal parameters and mode shapes of the rotor have been gained by finite element simulation with Msc.Nastran system. The analysis of natural stress with their distributings of modes of some low frequencies have been completed. through the kinematics simulation results demonstrate the validity of simulation models. As well as 3D finite element model simulation mode, access frequency, mode of the distribution law certification of the existing motor rotor structure to meet the design requirements. And through the structure of the rotor core length changes. the establishment of a series of rotor model of their modal simulation, Rotor was inherent frequency and length of the core changes in the law, given the rotor length of the core structure of the amendment proposal. This method could provide some references for design and modification of kinds of the same product developing.
Keywords: Virtual prototyping; Vertical motor; Kinematics simulation; Modal simulation; Mode shapes
包括：毕业设计图纸、毕业论文
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