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电主轴多物理场耦合动力学建模研究 认领

Multi-physical field coupling dynamic modeling of a motorized spindle
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摘要 为解决电主轴动力学模型存在的耦合因素不全面、转子结构过于简单的问题。通过将轴承模型、电机模型、主轴热模型与转轴模型相互耦合,并考虑标准棒、刀柄、转轴结构部分空心等因素,建立电主轴多物理场耦合动力学仿真模型。由于主轴内部空...展开更多 To address the incomplete coupling factors and oversimplified rotor structure in the motorized spindle dynamic model,a multi-physical field coupling dynamics simulation modeling was developed.The bearing model was coupled with the motor model,spindle thermal model,and s...MORE To address the incomplete coupling factors and oversimplified rotor structure in the motorized spindle dynamic model,a multi-physical field coupling dynamics simulation modeling was developed.The bearing model was coupled with the motor model,spindle thermal model,and shaft model,considering the factors of standard rod,tool holder,and shaft hollow structure.Due to the significant impact of internal hollow factors,coupling factors,and additional structures on the dynamic performance of the spindle system,this model is more closely aligned with the actual situation of the spindle.In the bearing model,a quasi-static nonlinear restoring force model was utilized,while in the motor model,a stator-rotor double-cylinder unbalanced magnetic pull model was employed.In the spindle thermal model,the bearing and motor heat generation and dissipation models were included.Dynamic characteristic analysis tools such as Campbell diagrams and waterfall plots were generated.Spindle rotation error tests and hammering experiments show that the model’s time-domain radial displacement error remains below 10μm at all speeds.The frequency-domain results from hammering tests exhibit a maximum error of 12.66%.The model’s validity was confirmed through both dynamic and static analyses.FEWER
作者 刘洋 刘艳强 高峰 施政 杨镇岳 刘启航 耿遵敏 LIU Yang;LIU Yanqiang;GAO Feng;SHI Zheng;YANG Zhenyue;LIU Qihang;GENG Zunmin(School of Mechanical Engineering and Automation,Beihang University,Beijing 100191,China;Genertec Machine Tool Engineering Research Institute Co.,Ltd.,Beijing 100102,China;Changhe Aircraft Industry(Group)Co.,Ltd.,Jingdezhen 333002,China)
机构地区 北京航空航天大学机械工程及自动化学院 通用技术集团机床工程研究院有限公司 昌河飞机工业（集团）有限责任公司
出处 《振动与冲击》 EI CSCD 北大核心 2026年第6期102-114,共13页 Journal of Vibration and Shock
基金 国家自然科学基金2023年度专项(KZ37122401)。
关键词 电主轴 多物理场耦合 动态性能 动力学模型 motorized spindle multi-physical field coupling dynamic performance dynamical model
分类号 TG659 [金属学及工艺—金属切削加工及机床]
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振动与冲击
2026年 第6期
科创助手
论文智评
维普砚承
维普斟知

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