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IJAT Vol.4 No.3 pp. 273-283
doi: 10.20965/ijat.2010.p0273
(2010)

Paper:

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Model Based Feedrate Scheduling for Free-Form Surface Machining

Yaman Boz, Onur Demir, and Ismail Lazoglu

Mechanical Engineering Department, Manufacturing and Automation Research Center, Koc University, Sariyer, Istanbul 34450, Turkey

Received:
December 14, 2009
Accepted:
February 18, 2010
Published:
May 5, 2010
Creative Commons License
Keywords:
force based feedrate scheduling, milling force model, sculptured surface machining
Abstract
Free-form surfaces are commonly used in the automotive, aerospace, biomedical, home appliance, and die/mold industries. Minimizing cycle times is crucial for free-form surface machining in today’s competitive market. Although there have been remarkable enhancements in the CAD/CAM industry, these enhancements lack physical insight into machining processes. This article presents a model-based feedrate scheduling strategy for 3-axis machining of free-form surfaces. In feedrate scheduling strategy, cycle time is minimized by off-line control of cutting forces under a threshold value between specified feedrate values. Using tool deflection analysis, surface form error can also be predicted. The proposed approaches are tested under various machining conditions and the results are presented in the paper.
Cite this article as:
Y. Boz, O. Demir, and I. Lazoglu, “Model Based Feedrate Scheduling for Free-Form Surface Machining,” Int. J. Automation Technol., Vol.4 No.3, pp. 273-283, 2010.
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