蔡葆琛,陈秀梅,彭宝营

• 1:北京信息科技大学机电工程学院

摘要(Abstract)：

在机床加工过程中，加工方式、切削深度、加工材料等的变化会引起电主轴负载波动，不同负载下电主轴的受热伸长量存在差异，从而影响加工误差。通过多元线性回归分析方法建立变负载电主轴热伸长的数学模型，计算国产某型号电主轴不同负载下的热伸长量。利用有限元仿真分析研究电主轴在不同负载下的热伸长量变化，验证了数学模型的正确性。从耐热材料、热源2方面提出减小电主轴热伸长量的优化方案，并通过有限元仿真分析进行验证。结果表明，更换耐热材料和热源位置后移能够有效减小电主轴热伸长量。

关键词(KeyWords)： 电主轴;变负载;多元线性回归;热伸长

Abstract:

Keywords:

基金项目(Foundation): 国家科技重大专项(2024ZD0700201)

作者(Author): 蔡葆琛,陈秀梅,彭宝营

DOI: 10.16508/j.cnki.11-5866/n.2026.02.012

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