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- Title
Micro-milling tool wear monitoring under variable cutting parameters and runout using fast cutting force coefficient identification method.
- Authors
Liu, Tongshun; Zhu, Kunpeng; Wang, Gang
- Abstract
Extracting discriminative tool wear features is of great importance for tool wear monitoring in micro-milling. However, due to the dependency on tool runout and cutting parameters, the traditional tool wear features are incompetent to monitor the tool wear condition in micro-milling with significant tool runout and varied cutting parameter interactions. In this study, micro-milling cutting force is represented by a parametric model including variable cutting parameters, tool runout, and tool wear. The cutting force coefficient in the model, which is not only discriminative to the tool wear condition but also independent to the tool runout and cutting parameters, is extracted as the micro-milling tool wear feature. To reduce the computation cost, a fast neural network–based method is proposed to identify the tool runout and the cutting force coefficient from the cutting force signal. Experimental results show that the proposed cutting force coefficient–based approach is efficient to monitor the micro-milling tool wear under varied cutting parameters and tool runout.
- Subjects
MILLING (Metalwork); CUTTING force; CUTTING tools; PARAMETRIC modeling; TOOLS; IDENTIFICATION
- Publication
International Journal of Advanced Manufacturing Technology, 2020, Vol 111, Issue 11/12, p3175
- ISSN
0268-3768
- Publication type
Article
- DOI
10.1007/s00170-020-06272-z