Dynamics of boring processes: Part III-time domain modeling |
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| Authors: | Ismail Lazoglu Fuat Atabey Yusuf Altintas |
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| Affiliation: | 1. Koc University, Department of Mechanical Engineering, 80910 Sariyer, Istanbul, Turkey;2. University of British Columbia, Department of Mechanical Engineering, Manufacturing Automation Laboratory, V6T 1Z4, Vancouver, Canada;1. IK4-Ideko, Dynamics & Control Department, Elgoibar, Basque Country, Spain;2. Department of Applied Mechanics, Budapest University of Technology and Economics, Budapest, Hungary;3. Manufacturing Research Laboratory, Sabanci University, Istanbul, Turkey;4. Manufacturing Automation Laboratory, University of British Columbia, Vancouver, Canada;5. Laboratory for Machine Tools and Production Engineering (WZL), RWTH Aachen, Germany;1. Precision Mechatronics Laboratory, Department of Mechanical Engineering, The University of British Columbia, Vancouver, BC, Canada V6T 1Z4;2. Manufacturing Automation Laboratory, Department of Mechanical Engineering, The University of British Columbia, Vancouver, BC, Canada V6T 1Z4;1. Precision Mechatronic Laboratory;2. Manufacturing Automation Laboratory, Department of Mechanical Engineering, The University of British Columbia, Vancouver, BC V6T 1Z4, Canada |
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| Abstract: | This article presents a mathematical model and a computational algorithm for the time domain solution of boring process dynamics. The model is developed in a modular form; it includes a workpiece geometry and surface topography module, a kinamatics and tool position module, a dynamic chip load module, a dynamic cutting force prediction module and a structural dynamics module. The time domain model takes cutting process parameters, tool and workpiece geometries and modal parameters of the structure as inputs. It predicts instantanous cutting forces and vibrations along the machining time, and machined workpiece topography as outputs. Some of the simulated and experimental results for various cutting conditions are presented and compared for validation purposes. |
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| Keywords: | Boring process dynamics Cutting forces Chatter Vibration Stability Surface topography |
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