Development of an active boring bar for increased chatter immunity

James M. Redmond; Pat Barney; David Smith

doi:10.1117/12.274673

23 May 1997 Development of an active boring bar for increased chatter immunity

James M. Redmond, Pat Barney, David Smith

Proceedings Volume 3044, Smart Structures and Materials 1997: Industrial and Commercial Applications of Smart Structures Technologies; (1997) https://doi.org/10.1117/12.274673
Event: Smart Structures and Materials '97, 1997, San Diego, CA, United States

Abstract

The development and initial evaluation of a prototype boring bar feature active vibration control for increased chatter immunity is described. The significance of active damping both normal and tangential to the workpiece surface is evaluated, indicating the need for two axis control to ensure adequate performance over expected variations in tool mounting procedures. The prototype tool features a commercially available boring bar modified to accommodate four PZT stack actuators for two axis bending control. Measured closed-loop dynamics are combined with a computer model of the boring process to simulate increased metal removal rate and improved workpiece surface finish through application of feedback control.

Citation Download Citation

James M. Redmond, Pat Barney, and David Smith "Development of an active boring bar for increased chatter immunity", Proc. SPIE 3044, Smart Structures and Materials 1997: Industrial and Commercial Applications of Smart Structures Technologies, (23 May 1997); https://doi.org/10.1117/12.274673

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