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Acta Armamentarii ›› 2015, Vol. 36 ›› Issue (1): 144-150.doi: 10.3969/j.issn.1000-1093.2015.01.021

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Investigation on the Relationship among Tool WearCutting Force and Vibration in Milling of TC4

JIANG Zhen-xi1,2, SUN Jie1,2, LI Guo-chao1,2, JIA Xing-min1,2, LI Jian-feng1,2   

  1. (1.School of Mechanical Engineering, Shandong University, Jinan 250061, Shangdong, China; 2Key Laboratory of High Efficiency and Clean Mechanical Manufacture of Ministry of Education, Shandong University, Jinan 250061, Shandong, China)
  • Received:2014-03-09 Revised:2014-03-09 Online:2015-03-14
  • Contact: JIANG Zhen-xi E-mail:jzxi90321@163.com

Abstract: Experiments of milling TC4 titanium alloys with solid cemented carbide milling cutters coated with AlCrN are carried out. The tool wear of circumferential cutting edge, cutting force and vibration are measured. The tool wear morphology is observed by using scanning electron microscope ( SEM) , and the element distribution of the worn tool surface is detected by using energy dispersive spectrometer (EDS). The influence of tool wear on cutting force and vibration is further discussed based on the wear mechanism in order to provide a theoretical and technical support for the realization of online check of tool wear state. The experimental results indicate that the mechanical crack, thermal crack, adhesion and oxidation wear exist on the rake face, and the mechanical crack, adhesion and oxidation exist on the flank face. The cutting force and vibration increase with wear loss. The different states of wear have the different effects on cutting force and vibration.

Key words: manufacturing technology and equipment, titanium alloy, tool wear, cutting force, cutting vibration

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