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Real-time generation and control of cutter path for 5-axis CNC machining |
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| Authors: | Chih-Ching Lo |
| Affiliation: | Department of Mechanical Engineering, Feng Chia University, Taichung, Taiwan |
| Abstract: | This paper presents a new approach to real-time generation and control of the cutter path for 5-axis machining applications. The cutter path generation method comprises real-time algorithms for cutter-contact path interpolation, cutter offsetting, and coordinate conversion. In addition, a global feedback loop is closed by the CNC interpolator so as to augment the controlled accuracy in practical cutter path generation. An error compensation algorithm and a feedrate adaptation algorithm for the control loop are developed, respectively. |
| Keywords: | Machining Computer control systems Numerical control systems Cutting Real time systems Control system analysis Control system synthesis Interpolation Adaptive algorithms Feedback control Error analysis Error compensation Five-axis machining Cutter path generation Feedrate adaptation algorithms Computer numerical control (CNC) interpolators |
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