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Kinematics and experimental study on ultrasonic vibration-assisted micro end grinding of silica glass

  • Zhang Jian-Hua
  • Zhao Yan
  • Tian Fu-Qiang
  • Zhang Shuo
  • Guo Lan-Shen
ORIGINAL ARTICLE

Abstract

Ultrasonic-assisted grinding has been increasingly investigated for its advanced machining capability for hard-to-machine materials. Ultrasonic-assisted micro end grinding (UAMEG) is a promising technology to improve machining performance of conventional micro end grinding. Interrupted cutting is one of the most important points for UAMEG. The critical conditions for achieving interrupted cutting are investigated by modeling and simulation of adjacent abrasive trajectories. In addition, the abrasive-work impact effect is researched by modeling and simulation of abrasive velocity and acceleration. As a result, the critical conditions are worked out to be as follows: the frequency coefficient k is a positive integer, and feed-amplitude rate λ is equal to 2. High level of impact effect is generated between abrasive and unmachined material. Micro end grinding experiments of silica glass with and without ultrasonic vibration are conducted for verification. The investigation of the results of measured grinding force and surface topography indicates that UAMEG is an efficient machining method to improve the present micro end grinding by significant grinding force reduction and surface quality improvement.

Keywords

Ultrasonic Micro end grinding Hard and brittle material Interrupted cutting Abrasive-work impact effect 

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Copyright information

© Springer-Verlag London 2015

Authors and Affiliations

  • Zhang Jian-Hua
    • 1
  • Zhao Yan
    • 1
  • Tian Fu-Qiang
    • 1
  • Zhang Shuo
    • 1
  • Guo Lan-Shen
    • 1
  1. 1.School of Mechanical EngineeringHebei University of TechnologyTianjinChina

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