立铣加工钛合金颤振稳定域的研究

王明海; 高蕾; 王伟; 郑耀辉

doi:10.13433/j.cnki.1003-8728.2015.0219

立铣加工钛合金颤振稳定域的研究

doi: 10.13433/j.cnki.1003-8728.2015.0219

1.
沈阳航空航天大学航空制造工艺数字化国防重点学科实验室, 沈阳 110136

基金项目:

中航产学研创新基金项目（CXY2010SH29）资助

详细信息

作者简介:
王明海（1971-），教授，硕士生导师，研究方向为精密高效数控加工技术，精密与超精密加工技术，wmh@sau.edu.cn

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- 文章访问数: 142
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- 被引次数: 0
出版历程
- 收稿日期: 2013-07-04
- 刊出日期: 2015-02-05

Study on Chatter Stability Lobes for Machining Titanium Alloy in End Milling

1.
Key Laboratory of Fundamental Science for National Defense of Aeronautical Digital Manufacturing Process, Shenyang University of Aeronautics and Astronautics, Shenyang 110136

摘要

摘要: 为了优化铣削加工中的切削参数来减小或避免再生颤振的发生，在切削加工再生颤振理论的研究基础上，以硬质合金立铣刀粗加工钛合金TA15为研究对象，建立了刀具的动力数学模型，对再生颤振稳定域在频域内进行求解；对再生颤振稳定域解析算法进行程序设计，通过提供由动态铣削实验获得的铣削力系数和由模态分析实验获得的模态参数等程序所需参数计算得到与主轴转速和轴向切深二者相关的颤振稳定域叶瓣图；最后通过对钛合金TA15进行立铣加工实验验证了颤振稳定域解析算法的准确性。
- 铣削加工 /
- 再生颤振 /
- 钛合金 /
- 铣削力系数 /
- 模态参数
Abstract: In order to optimize the cutting parameters in milling for reducing or avoiding the regenerative chatter, on the basis of regenerative chatter theory researches, taking rough machining Titanium alloy TA15 with a flat-end mill made of cemented carbide as the research object, the dynamic mathematical model of tool was established and the regenerative chatter stability lobes were solved in the frequency domain; programming design for analysis algorithm of regenerative chatter stability lobes was done and the chatter stability lobes diagram about the spindle speed and axial cutting depth is obtained by providing the milling force coefficients identified in dynamic milling experiment and the modal parameters obtained in modal analysis experiment; through the end-milling experiments of Titanium alloy, the accuracy of the regenerative chatter stability lobes analysis algorithm was verified.
- compater programming /
- design of experiments /
- design /
- dynamics /
- experiments

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参考文献(19)

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