CFRP/铝合金叠层结构动态钻削力预测研究

于海夫; 薛惠峰

doi:10.13433/j.cnki.1003-8728.2017.0110

CFRP/铝合金叠层结构动态钻削力预测研究

doi: 10.13433/j.cnki.1003-8728.2017.0110

1.
西北工业大学自动化学院, 西安 710072

详细信息

作者简介:
于海夫(1978-),博士研究生,研究方向为航空项目管理,yuhaifu@nwpu.edu.cn

计量
- 文章访问数: 172
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- PDF下载量: 15
- 被引次数: 0
出版历程
- 收稿日期: 2015-05-12
- 刊出日期: 2017-01-16

Prediction of Dynamic Thrust Force in Drilling of CFRP/aluminum-alloy Stacks

1.
School of Automation, Northwestern Polytechnical University, Xi'an 710072, China

摘要

摘要: 建立了CFRP（carbon fiber reinforced plastics）/铝合金叠层结构制孔轴向力分阶段预测模型，提出一种面向分阶段的钻削过程描述方法。阐述了CFRP与铝合金的叠层方式，根据钻削过程中钻头所处位置确定不同的钻削阶段；在钻削过程分析的基础上，通过解析建模方法给出了叠层结构动态轴向力预测方法，并详细分析了模型公式中积分限的计算方法；进行了叠层结构制孔实验，测量分阶段的瞬时制孔轴向力。通过对比发现提出的预测模型与实验值吻合较好，能够准确预测CFRP/铝合金叠层结构制孔轴向力。
- 钻削力 /
- 预测模型 /
- 制孔实验
Abstract: A thrust force model for carbon fiber reinforced plastics (CFRP)/aluminum alloys stacks is established in this paper. Firstly, drilling process is described according to the stack style and five stages are addressed. Secondly, a model for dynamic thrust force in drilling of CFRP/aluminum-alloy stacks is proposed and then the integration limits in the model are analyzed with accordance to the drilling stages. Finally, drilling experiments of stack structure are conducted to obtain the instantaneous thrust forces signal. It shows that the present model is in an well agreement with the experimental data. Therefore, the present model is capable to predict the dynamic thrust force in drilling of CFRP/aluminum-alloy stacks.
- thrust force /
- prediction models /
- drilling experiments

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参考文献(15)

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