Abstract
Online monitoring and in-process control improves machining quality and efficiency in the drive towards intelligent machining. It is particularly significant in machining difficult-to-machine materials like super alloys. This paper attempts to develop a tool wear observer model for flank wear monitoring in machining nickel-based alloys. The model can be implemented in an online tool wear monitoring system which predicts the actual state of tool wear in real time by measuring the cutting force variations. The correlation between the cutting force components and the flank wear width has been established through experimental studies. It was used in an observer model, which uses control theory to reconstruct the flank wear development from the cutting force signal obtained through online measurements. The monitoring method can be implemented as an outer feedback control loop in an adaptive machining system.
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Chen, X.Q., Li, H.Z. Development of a tool wear observer model for online tool condition monitoring and control in machining nickel-based alloys. Int J Adv Manuf Technol 45, 786–800 (2009). https://doi.org/10.1007/s00170-009-2003-1
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DOI: https://doi.org/10.1007/s00170-009-2003-1