Instrumented spindles provide real-time analysis of machine spindle dynamics

St. Paul, MN USA, May 26, 2004

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Lion Precision, Professional Instruments and Penn State’s Machine Dynamics Research Laboratory will be displaying instrumented spindles at IMTS booth S-1017. Instrumented spindles feature integral, noncontact displacement sensors for monitoring spindle/tool deflection during cutting operations. Air bearing spindles are constructed with capacitive displacement sensors embedded in the stators. These sensors measure force as deflection of the spindle in all axes. Force measurements provide better results than acoustic emission measurements in detecting workpiece contact, process monitoring with small depths of cut, detecting workpiece defects, and evaluating abrasive wheel wear/loading.