智能制造中刀具状态监测的监督机器学习模型

IF 0.8 4区 工程技术 Q3 MULTIDISCIPLINARY SCIENCES
Ganeshkumar S, D. T, A. Haldorai
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引用次数: 6

摘要

在当前的工业4.0场景中,高质量的刀具可以带来良好的表面光洁度、最小的振动、低功耗和减少加工时间。监测刀具磨损对制造高质量零件起着至关重要的作用。除了对刀具进行监测外,磨损预测还有助于制造系统做出更换刀具的决定。本文介绍了一种工业用例监督机器学习模型来预测车刀磨损。根据相应的主轴转速、进给速度和切削深度,测量切削力、试样表面粗糙度和刀具刀片的侧面磨损。这些车削测试数据集被应用于工具磨损预测的机器学习中。采用SNMG镀锡碳化硅刀片对EN8钢试样进行车削试验。从200个不同主轴转速、进给速度和切削深度的车削试验中提取了切削力、表面光洁度和侧面磨损的数据集。采用随机森林回归、支持向量回归、K近邻回归等机器学习算法对刀具磨损进行预测。R平方,该技术表明随机森林机器学习模型预测刀具磨损的准确率为91.82%,经过实验验证。实验结果表明,切削齿面磨损主要受进给速度的影响,其次是主轴转速和切削深度。以较低的进给速度减少侧面磨损,工件表面光洁度好。该模型可用于刀具磨损预测和刀具更换决策,从而获得高质量的加工零件。此外,机器学习模型适用于工业4.0和智能制造系统的云环境。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
A Supervised Machine Learning Model for Tool Condition Monitoring in Smart Manufacturing
In the current industry 4.0 scenario, good quality cutting tools result in a good surface finish, minimum vibrations, low power consumption, and reduction of machining time. Monitoring tool wear plays a crucial role in manufacturing quality components. In addition to tool monitoring, wear prediction assists the manufacturing systems in making tool-changing decisions. This paper introduces an industrial use case supervised machine learning model to predict the turning tool wear. Cutting forces, the surface roughness of a specimen, and flank wear of tool insert are measured for corresponding spindle speed, feed rate, and depth of cut. Those turning test datasets are applied in machine learning for tool wear predictions. The test was conducted using SNMG TiN Coated Silicon Carbide tool insert in turning of EN8 steel specimen. The dataset of cutting forces, surface finish, and flank wear is extracted from 200 turning tests with varied spindle speed, feed rate, and depth of cut. Random forest regression, Support vector regression, K Nearest Neighbour regression machine learning algorithms are used to predict the tool wear. R squared, the technique shows the random forest machine learning model predicts the tool wear of 91.82% of accuracy validated with the experimental trials. The experimental results exhibit flank wear is mainly influenced by the feed rate followed by the spindle speed and depth of cut. The reduction of flank wear with a lower feed rate can be achieved with a good surface finish of the workpiece. The proposed model may be helpful in tool wear prediction and making tool-changing decisions, which leads to achieving good quality machined components. Moreover, the machine learning model is adaptable for industry 4.0 and cloud environments for intelligent manufacturing systems.
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来源期刊
Defence Science Journal
Defence Science Journal 综合性期刊-综合性期刊
CiteScore
1.80
自引率
11.10%
发文量
69
审稿时长
7.5 months
期刊介绍: Defence Science Journal is a peer-reviewed, multidisciplinary research journal in the area of defence science and technology. Journal feature recent progresses made in the field of defence/military support system and new findings/breakthroughs, etc. Major subject fields covered include: aeronautics, armaments, combat vehicles and engineering, biomedical sciences, computer sciences, electronics, material sciences, missiles, naval systems, etc.
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