Micro-milling tool breakage has become a bottleneck for the development of micro-milling technology. A new method to predict micro-milling tool breakage based on theoretical model is presented in this paper. Based on the previously built micro-milling force model, the bending stress of the micro-milling cutter caused by the distributed load along the spiral cutting edge is calculated; Then, the ultimate stress of carbide micro-milling tool is obtained by experiments; Finally, the bending stress at the dangerous part of the micro-milling tool is compared with the ultimate stress. Tool breakage curves are drawn with feed per tooth and axial cutting depth as horizontal and vertical axes respectively. The area above the curve is the tool breakage zone, and the area below the curve is the safety zone. The research provides a new method for the prediction of micro-milling tool breakage, and therefore guides the cutting parameters selection in micro-milling.
ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing
June 4–8, 2017
Los Angeles, California, USA
Conference Sponsors:
- Manufacturing Engineering Division
ISBN:
978-0-7918-5072-5
PROCEEDINGS PAPER
A New Method for the Prediction of Micro-Milling Tool Breakage
Xiaohong Lu
,
Xiaohong Lu
Dalian University of Technology, Dalian, China
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Haixing Zhang
,
Haixing Zhang
Dalian University of Technology, Dalian, China
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Zhenyuan Jia
,
Zhenyuan Jia
Dalian University of Technology, Dalian, China
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Yixuan Feng
,
Yixuan Feng
Georgia Institute of Technology, Atlanta, GA
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Steven Y. Liang
Steven Y. Liang
Georgia Institute of Technology, Atlanta, GA
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Author Information
Xiaohong Lu
Dalian University of Technology, Dalian, China
Haixing Zhang
Dalian University of Technology, Dalian, China
Zhenyuan Jia
Dalian University of Technology, Dalian, China
Yixuan Feng
Georgia Institute of Technology, Atlanta, GA
Steven Y. Liang
Georgia Institute of Technology, Atlanta, GA
Paper No:
MSEC2017-2999, V001T02A037; 6 pages
Published Online:
July 24, 2017
Citation
Lu, Xiaohong, Zhang, Haixing, Jia, Zhenyuan, Feng, Yixuan, and Liang, Steven Y. "A New Method for the Prediction of Micro-Milling Tool Breakage." Proceedings of the ASME 2017 12th International Manufacturing Science and Engineering Conference collocated with the JSME/ASME 2017 6th International Conference on Materials and Processing. Volume 1: Processes. Los Angeles, California, USA. June 4–8, 2017. V001T02A037. ASME. https://doi.org/10.1115/MSEC2017-2999
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