Investigation of vibration tapping torque characteristics though mechanistic modeling and experimentation

Baolin Yin; Rongdi Han; Ying Yu; Xiaohai Li; Xianzhi Li; Guizhen Liu

doi:10.1117/12.888175

24 May 2011 Investigation of vibration tapping torque characteristics though mechanistic modeling and experimentation

Baolin Yin, Rongdi Han, Ying Yu, Xiaohai Li, Xianzhi Li, Guizhen Liu

Proceedings Volume 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering; 799718 (2011) https://doi.org/10.1117/12.888175
Event: Fourth International Seminar on Modern Cutting and Measuring Engineering, 2010, Beijing, China

Abstract

This paper deals with theoretical and experimental investigation into the processing parameters which influence the tapping torque in vibration tapping. Theoretic analysis with fracture mechanics indicates that the pulsating cutting force effect of the tap on the workpiece results in stress increasing, which leads to reduced cutting forces and a much lower tapping torque. And the effect of the increasing stress would decays gradually with increasing cutting distances. Theoretical analyzers have been developed to the relationship between tapping torque and torsional angle amplitude and net cutting time ration in vibration tapping. Large quantity experiments of vibration tapping in different materials with different thread dimension have be introduced. The thread dimension range M3 to M6, and materials of test include C45 steel, 1Cr18Ni9Ti, TC4 and GH4169. Tapping torque wave was measured in vibration tapping. And the experiments were conducted to compare the fluctuation tapping torque with different cutting distance. Experimental results showed that tapping torque would increase with increasing of torsional angle amplitude and net cutting time ration in vibration tapping. And the theoretical results are confirmed by experiments.

Citation Download Citation

Baolin Yin, Rongdi Han, Ying Yu, Xiaohai Li, Xianzhi Li, and Guizhen Liu "Investigation of vibration tapping torque characteristics though mechanistic modeling and experimentation", Proc. SPIE 7997, Fourth International Seminar on Modern Cutting and Measurement Engineering, 799718 (24 May 2011); https://doi.org/10.1117/12.888175

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