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TECHNICAL PAPERS

Evaluation and Improvement of Productivity in High-Speed NC Machining

[+] Author and Article Information
X. Yan, M. Hirao, T. Yasui

Faculty of Technology, Kanazawa University, Kanazawa, Japan

K. Shirase

Faculty of Engineering, Osaka University, Osaka, Japan

J. Manuf. Sci. Eng 122(3), 556-561 (Jun 01, 1999) (6 pages) doi:10.1115/1.1286170 History: Received June 01, 1998; Revised June 01, 1999
Copyright © 2000 by ASME
Topics: Machining , Cutting
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References

Yan, X., 1998, “Evaluation and Improvement of Productivity for Machining Centers,” Ph.D. Dissertation, Kanazawa University.
Saito, S., 1994, “Shortening of Non-Cutting Time for Machining Center,” Machinery & Tools, No. 2, pp. 43–49 (in Japanese).
Hirose,  T., 1995, “On the Software for Using 5-Axis Control MC Efficiently,” Machinery & Tools, 12, pp. 22–31 (in Japanese).
Yan,  X. , 1997, “Improving Productivity of Machining Centers Based on NC Program Diagnostic System,” J. Jpn. Soc. Precis. Eng., 63, No. 7, pp. 1044–1048 (in Japanese).
Ryoki,  M., 1987, “High Speed 3-Dimensional CNC,” J. Jpn. Soc. Precis. Eng., 53, No. 7, pp. 1018–1021 (in Japanese).
Weule,  H., and Klaiber,  M., 1992, “Computer-Aided Run-in of CNC Programs,” Ann. CIRP, 41, No. 1, pp. 543–546.
Takada, K., et al., 1996, “Operation Analysis for High Productivity of Machining Centers,” Proc. Autumn Meetings of Japan Soc. Prec. Eng., Ibaraki, pp. 111–112 (in Japanese).
Yan,  X., , 1998, “Improvement on Productivity for Machining Centers—Effects of Tool Paths on Productivity,” Int. J. Jpn. Soc. Precis. Eng., 32, No. 3, pp. 171–177.
Miyada, H., 1996, “The Latest CNC Technology,” Proc. 74th Conf. JSME, Kyoto, pp. 254–255 (in Japanese).
Altintas,  Y., Newell,  N., and Ito,  M., 1996, “Modular CNC Design for Intelligent Machining, Part 1—Design of a Hierarchical Motion Control Module for CNC Machaine Tools,” ASME J. Manuf. Sci. Eng., 118, No. 4, pp. 506–513.
Yan, X., et al., 1997, “Analysis of Geometric Error of Tool Path in High Speed Cutting,” Rapid Product Development, Chapman & Hall, pp. 295–302.
Koreda,  N. , 1993, “Study on High-Speed Feed of Machine Tools Based on Modified Reverse Transfer Function Control,” J. Jpn. Soc. Precis. Eng., 59, No. 8, pp. 1347–1352 (in Japanese).
Yan,  X., , 1996, “Development of NC program evaluator for higher machining productivity,” Proc. Am. Soc. Precis. Eng., Monterey, 14, pp. 472–475.
Kubota, M., Higasayama, H., and Muta, Y., 1996, “CAM for High Speed/High Precision Cutting of Molds (2nd report),” Proc. Autumn Meetings of Japan Soc. Prec. Eng., pp. 611–612 (in Japanese).
Held,  M., Lukacs,  G., and Andor,  L., 1994, “Pocket machining based on contour-parallel tool paths generated by means of proximity maps,” Comput.-Aided Des., 26, No. 3, pp. 189–203.
Shirase,  K. , 1994, “Improving Productivity in NC Lathe Turning Based on NC Program Diagnosis System (1st report),” J. Jpn. Soc. Precis. Eng., 60, No. 2, pp. 235–239 (in Japanese).

Figures

Grahic Jump Location
Overall block diagram of the system
Grahic Jump Location
Linear feedrate profile
Grahic Jump Location
Photo of the machined workpiece, Conrod
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Analyzed results of Conrod NC program
Grahic Jump Location
Relation between effective feedrate factor and kinematic factor
Grahic Jump Location
Effect of cutting feed override on cutting time

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