雍博皓,杜娟,陈峙,智红英,胡学敏

• 1:太原科技大学机械工程学院

摘要(Abstract)：

针对薄壁件侧铣颤振稳定性预测的问题，建立了一种新型多点接触动力学模型用于预测薄壁零件的侧铣稳定性。该方法考虑了刀具和工件动力学参数沿刀具轴向的变化，先在铣削系统坐标系各个方向单独建立动力学方程组，然后通过结构动力学方法将各点建立的模型变换为多点接触的铣削动力学模型，相比于之前的多点接触动力学模型更加简捷。基于该模型对一组工件的铣削颤振稳定性进行了预测，并与传统的单点动力学模型预测结果进行了对比，经过试验验证，结果表明该模型预测的极限切削深度较单点动力学模型更大且与实际值更为接近。

关键词(KeyWords)： 薄壁件;铣削颤振;预测;多点接触

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金(51475317);; 山西省自然科学基金(201901D111237);; 山西省青年基金(201901D211285)

作者(Author): 雍博皓,杜娟,陈峙,智红英,胡学敏

参考文献(References)：

• [1] CAIXU YUE,HAINING GAO,XIANLI LIU,et al.A review of chatter vibration research in milling[J].Chinese Journal of Aeronautics,2019,32(2):215-242.
• [2] TANG W X,SONG Q H,YU S Q,et al.Prediction of chatter stability in high-speed finishing end milling considering multi-mode dynamics.2008,209(5):2585-2591.
• [3] WANG MINGHAI,GAO LEI,ZHENG YAOHUI.Prediction of regenerative chatter in the high-speed vertical milling of thin-walled workpiece made of titanium alloy[J].The International Journal of Advanced Manufacturing Technology,2014,72:5-8.
• [4] FEI JIXIONG,LIN BIN,YAN SHUAI,et al.Chatter prediction for milling of flexible pocket-structure.2017,89(9-12):2721-2730.
• [5] BUDAK E,ALTINTA? Y.Analytical Prediction of Chatter Stability in Milling-Part II:Application of the General Formulation to Common Milling Systems[J].Journal of Dynamic Systems,Measurement,and Control,1998,120(1):31-36.
• [6] BUDAK E,Y ALTINTA?.Analytical Prediction of Chatter Stability in Milling-Part I:General Formulation[J].Journal of Dynamic Systems Measurement and Control,1998,120:22-30.
• [7] ALTINTAS Y,LEE P.Mechanics and Dynamics of Ball End Milling[J].Journal of Manufacturing Science and Engineering,1998,120(4):684-692.
• [8] ALTINTAS Y,ENGIN S,BUDAK E.Analytical Stability Prediction and Design of Variable Pitch Cutters[J].Journal of Manufacturing Science and Engineering,1999,121(2):173-178.
• [9] 张卫红，万敏.薄壁件切削工艺动力学理论与方法[M].北京：机械工业出版社，2019.
• [10] EKSIOGLU C,KILIC Z M,ALTINTAS Y.Discrete-Time Prediction of Chatter Stability,Cutting Forces,and Surface Location Errors in Flexible Milling Systems[J].Journal of Manufacturing Science and Engineering,2012,134(6):061006.
• [11] YUN YANG,WEI-HONG ZHANG,YING-CHAO MA,et al.Chatter prediction for the peripheral milling of thin-walled workpieces with curved surfaces[J].International Journal of Machine Tools and Manufacture,2016,109:36-48.
• [12] 杨昀.薄壁件铣削系统动力学建模及稳定性预测方法研究[D].西安：西北工业大学，2016.
• [13] 丁烨.铣削动力学—稳定性分析方法与应用[D].上海：上海交通大学，2011.
• [14] 智红英，闫献国，杜娟，等.预测铣削稳定性的Hamming线性多步法[J].振动与冲击，2018,37(22):67-74+110.