Design and analysis of a two-dimensional vibration control mechanism based on vibro-impact damping

The robotic drilling always generates the axial vibration along the drill bit and the torsional vi-bration around the drill bit, which will adversely affect the drilling precision. A vibration control mechanism fixed between the end-effector and the robot is proposed, which can suppress the axial an...

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Bibliographic Details
Published in高技术通讯（英文版） Vol. 29; no. 1; pp. 105 - 112
Main Authors ZHANG Laixi, QIAN Feng, WU Mingliang
Format Journal Article
LanguageEnglish
Published School of Mechanical and Electronical Engineering,Lanzhou University of Technology,Lanzhou 730050,P.R.China 01.03.2023
Subjects
variable clearance
impact damping
two-dimensional vibration control
semi-active vibration control
robotic drilling
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Summary:The robotic drilling always generates the axial vibration along the drill bit and the torsional vi-bration around the drill bit, which will adversely affect the drilling precision. A vibration control mechanism fixed between the end-effector and the robot is proposed, which can suppress the axial and torsional vibrations based on the principle of vibro-impact ( VI) damping. The energy dissipa-tion of the system by vibro-impact damping is analyzed. Then, the influence of the structure parame-ters on the vibration attenuation effect is studied, and a semi-active vibration control method of vari-able collision clearance is presented. The simulation results show that the control method has effec-tive vibration control performance.
ISSN:1006-6748
DOI:10.3772/j.issn.1006-6748.2023.01.012