Improvement of the form accuracy ground by a slender wheel in internal grinding

Takashi Onishi, Yusuke Nakabayashi, Moriaki Sakakura, Go Ichiba, Kazuhito Ohashi

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

In the case of internal grinding of a deep hole, the inner surface of the hole was ground by a slender grinding wheel that has a high aspect ratio. A slender grinding wheel is bent by the normal grinding force during the grinding process. Therefore, the form accuracy of the ground workpiece is decreased especially when the aspect ratio of a wheel is high. In our previous study, it was confirmed that the biggest factor that generated the form error of the workpiece was the elastic deformation owning to the normal grinding force. To reduce the form error of the ground workpiece, it is effective to expand the spark-out duration. However, the expansion of the spark-out duration leads to the low productivity. In this study, the form of the grinding wheel was modified by a diamond dresser to improve the form accuracy of the workpiece without expanding the spark-out duration. The modified form of a wheel was determined to compensate the form error of the workpiece generated by the elastic deformation of the grinding wheel. Thorough several grinding experiment, it was confirmed that the form accuracy of the ground workpiece was successfully improved by modifying the form of a slender grinding wheel without expanding the spark-out duration.

Original languageEnglish
Title of host publicationJSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, LEMP 2020
PublisherAmerican Society of Mechanical Engineers
ISBN (Electronic)9780791883624
DOIs
Publication statusPublished - 2020
EventJSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, LEMP 2020 - Virtual, Online
Duration: Sep 3 2020 → …

Publication series

NameJSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, LEMP 2020

Conference

ConferenceJSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, LEMP 2020
CityVirtual, Online
Period9/3/20 → …

Keywords

  • Elastic deformation
  • Form error
  • Internal grinding
  • Slender wheel
  • Tooling

ASJC Scopus subject areas

  • Industrial and Manufacturing Engineering
  • Mechanical Engineering
  • Mechanics of Materials
  • Materials Science (miscellaneous)
  • Instrumentation

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