Surface grinding of optical BK7/K9 glass using rotary ultrasonic machining: An experimental study

Yingbin Hu, Hui Wang, Fuda Ning, Weilong Cong, Yuzhou Li

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

8 Scopus citations

Abstract

BK7/K9 glass is regarded as a difficult-To-machine material due to its high hardness and high brittleness properties as well as high tool wear rate during machining. Facing to these challenges, an efficient and effective rotary ultrasonic machining (RUM) process, consisting of grinding process and ultrasonic machining process, was provided to process BK7/K9 glass. In this investigation, the effects of ultrasonic power on cutting forces, torque, and edge chipping of surface grinding in RUM of BK7/K9 glass were studied. Results showed that, by introducing ultrasonic vibration to surface grinding process, both cutting forces in feeding direction and in axial direction as well as torque values were reduced. The higher the ultrasonic power was, the lower the forces and torque values would be. Edge chipping, which was detrimental to the qualities of machined slots and would cause high machining cost, was significant reduced with the help of ultrasonic vibration.

Original languageEnglish
Title of host publicationProcesses
PublisherAmerican Society of Mechanical Engineers
ISBN (Electronic)9780791850725
DOIs
StatePublished - 2017
EventASME 2017 12th International Manufacturing Science and Engineering Conference, MSEC 2017 collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing - Los Angeles, United States
Duration: Jun 4 2017Jun 8 2017

Publication series

NameASME 2017 12th International Manufacturing Science and Engineering Conference, MSEC 2017 collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing
Volume1

Conference

ConferenceASME 2017 12th International Manufacturing Science and Engineering Conference, MSEC 2017 collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing
CountryUnited States
CityLos Angeles
Period06/4/1706/8/17

Keywords

  • Cutting forces
  • Edge chipping
  • Optical BK7/K9 glass
  • Rotary ultrasonic machining
  • Surface grinding
  • Surface roughness

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