虚拟仿真与机器学习融合的数控切削实验教学

Integrated NC Cutting Experimental Teaching with Virtual Simulation and Machine Learning

  • 摘要: 面向“新工科教育”中数控切削仿真实验教学局限,提出融合虚拟仿真与机器学习的实验教学模式。基于VERICUT软件搭建实验环境,以三航领域典型零件—直升机动环为例,制定工艺参数、设计仿真切削实验。开发机器学习实验教学系统,引入机器学习前沿方法,围绕动环加工方案及参数优化,构建过程数据与加工参数映射,探索实验方案改进,评估新方案的加工效率及质量提升。因此,本文提出的实验教学、前沿方法、工程需求三者融合的新模式突破了传统数控仿真教学局限,深化学生对切削过程的认知,培养工程能力和跨学科思维,满足“新工科教育”人才培养要求。

     

    Abstract: To address the limitations of NC cutting simulation experiments in “New Engineering Disciplines”, this paper proposes an experimental teaching model that integrates virtual simulation with machine learning. Using VERICUT, an environment is established to formulate machining parameters and design simulation experiments for a typical part in the aviation and aerospace fields — the helicopter dynamic ring. An experimental teaching system based on machine learning is designed and developed, which incorporates advanced models to optimize the machining parameters and schemes for the dynamic ring. By building a mapping between process data and machining parameters, the improvements in experimental schemes are explored and the efficiency and quality enhancements of new schemes are evaluated. The proposed teaching model, integrating experimental teaching, new methods, and industrial needs, overcomes the limitations of traditional NC simulation teaching. It deepens students’ understanding of the cutting process, and cultivates their engineering skills and interdisciplinary thinking. Finally, it meets the requirements of "New Engineering Disciplines".

     

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