Intermittent and continuous rotary ultrasonic machining of K9 glass: An experimental investigation

Palamandadige Fernando, Meng Zhang, Zhijian Pei, Weilong Cong

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

Rotary ultrasonic machining (RUM) is a nontraditional and cost-effective machining method for hard and brittle materials, such as ceramics, optical glass, composite materials, and so on. RUM is a hybrid process that combines the material removal mechanisms of diamond abrasive grinding and ultrasonic machining. In RUM, a rotating cutting tool with metal-bonded diamond abrasive particles is ultrasonically vibrated in the axial direction while the tool spindle is fed toward the workpiece at a constant feedrate to remove material. It has been reported that continuous rotary ultrasonic machining has been successfully used to drill holes in K9 glass. Intermittent rotary ultrasonic machining is a newly introduced ultrasonic machining process, which uses a slotted cutting tool instead of a common metal bonded diamond cutting tool as used in continuous rotary ultrasonic machining. There has been no reported study to compare the effects of intermittent RUM and continuous RUM when machining K9 glass. This paper, for the first time, presents an experimental investigation to compare intermittent RUM and continuous RUM when machining K9 glass from the perspectives of cutting force, surface roughness, and chipping size.

Original languageEnglish
Article numberjmmp1020020
JournalJournal of Manufacturing and Materials Processing
Volume1
Issue number2
DOIs
StatePublished - Dec 2017

Keywords

  • Chipping size
  • Edge chipping
  • Intermittent RUM
  • K9/BK7 glass
  • Rotary ultrasonic machining
  • Surface roughness

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