TY - GEN
T1 - Improvement of the form accuracy ground by a slender wheel in internal grinding
AU - Onishi, Takashi
AU - Nakabayashi, Yusuke
AU - Sakakura, Moriaki
AU - Ichiba, Go
AU - Ohashi, Kazuhito
N1 - Publisher Copyright:
Copyright © 2020 JSME. Published with permission.
Copyright:
Copyright 2021 Elsevier B.V., All rights reserved.
PY - 2020
Y1 - 2020
N2 - 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.
AB - 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.
KW - Elastic deformation
KW - Form error
KW - Internal grinding
KW - Slender wheel
KW - Tooling
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U2 - 10.1115/LEMP2020-8595
DO - 10.1115/LEMP2020-8595
M3 - Conference contribution
AN - SCOPUS:85100934543
T3 - JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, LEMP 2020
BT - JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, LEMP 2020
PB - American Society of Mechanical Engineers
T2 - JSME 2020 Conference on Leading Edge Manufacturing/Materials and Processing, LEMP 2020
Y2 - 3 September 2020
ER -