车刀刀片几何参数熵权TOPSIS法优化

胡权威; 张洪伟; 徐志强; 李昆

doi:10.13433/j.cnki.1003-8728.2017.1217

车刀刀片几何参数熵权TOPSIS法优化

doi: 10.13433/j.cnki.1003-8728.2017.1217

1.
北京航天控制仪器研究所, 北京 100854;
2.
北京石油化工学院机械工程学院, 北京 102617;
3.
庆安集团有限公司制造工程处, 西安 710077

基金项目:

国家自然科学青年基金项目（81400567）、北京石油化工学院优秀青年教师项目（08031862008/013）及北京石油化工学院科技创新项目（15031862005/047）资助

详细信息

作者简介:
胡权威(1986-),工程师,博士,研究方向为数字化工艺设计与优化、智能制造,powerworldd@163.com

通讯作者:
张洪伟(联系人),副教授,博士,zhanghw@bipt.edu.cn

计量
- 文章访问数: 162
- HTML全文浏览量: 30
- PDF下载量: 5
- 被引次数: 0
出版历程
- 收稿日期: 2016-05-26
- 刊出日期: 2017-12-15

Optimization of Cutting Insert Geometric Parameters based on Entropy-weighting TOPSIS

1.
Beijing Aerospace Control Instrument Research Institute, Beijing 100854, China;
2.
School of Mechanical Engineering, Beijing Institute of Petrochemical Technology, Beijing 102617, China;
3.
AVIC Qing'an Group Co. LTD., Xi'an 710077, China

摘要

摘要: 为了解决车刀刀片的几何参数优选问题，提高加工质量和加工效率，提出了基于熵权逼近理想解排序（Technique for order preference by similarity to ideal solution，TOPSIS）的车刀刀片几何参数优选方法。该方法利用TOPSIS决策模型，结合有限元数值分析技术，综合考虑车削加工过程中的刀片磨损、切削力、刀屑接触温度及接触应力等多个结果指标，对刀片形状、后角、刀尖半径进行正交试验方案设计，采用DEFORM-3D分析得到不同方案下的指标值；利用熵权确定加权因子，构建加权归一化矩阵，确定各方案序列到理想解的距离，获得各方案的相对接近度。最后，根据各因子各水平对排序结果的影响程度，确定优化的刀片几何参数组合。通过实例对硬质合金刀片几何参数进行了优化选择。计算结果表明了该方法的可行性和有效性。
- 刀片几何参数 /
- 熵权 /
- 逼近理想解排序 /
- 数值分析
Abstract: In order to solve the multi-objective optimization problem of cutting insert geometric parameters and avoid the unsatisfactory processing effect in turning, an optimization decision method based on entropy-weight Technique for Order Preference by Similarity to Ideal Solution (TOPSIS) was proposed. By using TOPSIS model and finite element method, and considering the results such as wear depth, cutting force, tool-chip interface temperature and tool-chip interface pressure, the controllable factors of cutting insert shapes, relief angle, nose radius were planned for orthogonal experiment design, and the objective values were received by numerical analysis. Due to the determination of entropy weight coefficient, a weighted normalized matrix of multi-objective optimization was built. The distance between experiment design sequence and ideal solution was calculated to get relative approach degrees, and the existing schemes were ordered. According to the effects of each factor on the results, the optimal geometry parameter combination was determined. On this basis, the geometric parameters of cemented carbide inserts are provided by engineering practice and the results shows that the proposed method is valid and feasible.
- cutting inserts geometry /
- entropy weight /
- TOPSIS /
- numerical analysis

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参考文献(17)

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