Practical Estimation of Machine Tool Spindle Dynamics for Maintenance Decision Making
Patrick Chin,
Jose M. DePavia,
Stephen C. Veldhuis
Abstract:Condition-based maintenance of a machine tool spindle unit is known to reduce the total cost of operation in a manufacturing environment. However, standard vibration monitoring thresholds, which are based only on average vibration energy levels, do not account for the machine’s dynamics, such as dynamic stiffness and damping ratios, which, ultimately, control the final quality of a machined workpiece. In this study, a new mechanical device is proposed for the estimation of spindle dynamics characteristics thro… Show more
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