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Analytical modeling of adiabatic shear band spacing for serrated chip in high-speed machining

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Abstract

Theoretical prediction of adiabatic shear band spacing is beneficial to understand the mechanism of the serrated chip formation. The momentum equation, energy equation and compatibility equation in orthogonal cutting are established in this paper. Using perturbation analysis by regarding cutting speed and uncut chip thickness as basic disturbance, an analytical solution of adiabatic shear band spacing is developed. Adiabatic shear band spacing of serrated chip is related to the wave number of the perturbation when the growth rate reaches to maximum. It is found that adiabatic shear band spacing decreases with the increase of cutting speed but increases with uncut chip thickness. The experiment of orthogonal cutting Ti6Al4V under different cutting speeds (50 m/min-1800 m/min) and uncut chip thicknesses (0.02 mm-0.16 mm) verifies the validity of the theoretical prediction.

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Authors and Affiliations

  1. School of Mechanical Engineering, Hubei University of Technology, Wuhan, 430068, People’s Republic of China

    Qibiao Yang

  2. School of Mechanical Engineering, Shandong University, Jinan, 250061, People’s Republic of China

    Zhanqiang Liu, Zhenyu Shi & Bing Wang

  3. Key Laboratory of High Efficiency and Clean Mechanical Manufacture, Ministry of Education, Shandong University, Shandong, People’s Republic of China

    Zhanqiang Liu, Zhenyu Shi & Bing Wang

Authors
  1. Qibiao Yang
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  2. Zhanqiang Liu
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  3. Zhenyu Shi
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  4. Bing Wang
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Correspondence to Zhanqiang Liu.

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Yang, Q., Liu, Z., Shi, Z. et al. Analytical modeling of adiabatic shear band spacing for serrated chip in high-speed machining. Int J Adv Manuf Technol 71, 1901–1908 (2014). https://doi.org/10.1007/s00170-014-5633-x

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  • DOI: https://doi.org/10.1007/s00170-014-5633-x

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