A simple, yet useful algorithm is developed to generate tool paths with global interference checking for five-axis point milling of turbomachinery components. Based on the projected distance between the surface data and the cutter-axis of a cylindrical ball-end mill, interference between the surface of a workpiece and the cutter can be detected. Given the cutter contact points of the surface and the cutter’s size, it can produce the cutter location data without incurring interference through relatively rotating and tilting the workpiece. Applications of the developed procedure to five-axis machining of centrifugal compressor impellers with 13 and 15 blades are illustrated to demonstrate the usefulness and reliability of the approach.
Generation of Five-Axis Cutter Paths for Turbomachinery Components
Contributed by the Gas Turbine Division of THE AMERICAN SOCIETY OF MECHANICAL ENGINEERS for publication in the ASME JOURNAL OF ENGINEERING FOR GAS TURBINES AND POWER. Manuscript received by the Gas Turbine Division January 1, 1999; final revision received by the ASME Headquarters September 18, 1999. Technical Editor: H. Nelson.
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Tsay, D. M., Yan, W. F., and Ho, H. C. (September 18, 1999). "Generation of Five-Axis Cutter Paths for Turbomachinery Components ." ASME. J. Eng. Gas Turbines Power. January 2001; 123(1): 50–56. https://doi.org/10.1115/1.1340639
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