0
TECHNICAL PAPERS

A PC-Based Synchronous Controller for NC Gear Grinding Machines Using Multithread CBN Wheel

[+] Author and Article Information
T. Emura, L. Wang

Department of Mechatronics and Precision Engineering, The Graduate School of Engineering, Tohoku University, 01 Aramaki-Aza Aoba, Aoba-Ku, Sendai, 980-8579, Japan

M. Yamanaka

Department of Machine Intelligence and Systems Engineering, The Graduate School of Engineering, Tohoku University 01 Aramaki-Aza Aoba, Aoba-Ku, Sendai, 980-8579, Japane-mail: yamanaka@elm.mech.tohoku.ac.jp

H. Nakamura

Division of New Products Designing, Toyoda Machine Works, Ltd. 1-1 Asahimachi, Kariya, Aichi, 448-0032, Japan

Y. Kato

KUBOTA Corp. 64 Ishizu-Kitamachi, Sakai, Osaka, 590-0823, Japan

Y. Teshigawara

NEC Ibaraki Ltd. 367-2 Sekidate, Sekijyomachi, Makabe-gun, Ibaraki, 308-0113, Japan

J. Mech. Des 123(4), 590-597 (May 01, 1999) (8 pages) doi:10.1115/1.1416481 History: Received May 01, 1999
Copyright © 2001 by ASME
Your Session has timed out. Please sign back in to continue.

References

Schriefer,  H., 1989, “Hard Finishing and Fine Finishing Part 1,” Gear Technology, Sep./Oct., 10.
Moncrieff,  A. D., 1988, “Hard Gear Finishing,” Gear Technology, March/April, 7.
Kimmet, G. J., and Doddm, H. D., 1985, “CBN Finish Grinding of Hardened Spiral Bevel and Hypoid Gears,” SAE paper, No. 851555, 5.799.
Emura, T., Arakawa, A., and Hashitani, M., 1989, “A Study of High Precision Servo-Spindle for Hard Gear Finishing Machines,” Proceedings, The International Conference on Advanced Mechatronics, pp. 427–432.
Hashitani, M., Nabekura, M., and Kodama, Y., 1991, “A Study of Hard Gear Finisher for Mass Production Line,” Proceedings, International Conference on Motion and Power Transmission, pp. 192–196.
Tsukamoto, R., and Haga, F., 1991, “CBN Gear Grinding Technologies for Automotive Gears,” Proceedings, the International Conference on Motion and Power Transmissions, pp. 197–202.
Yamanaka,  M., Nakamura,  H., Emura,  T., Wang,  L., and Sakaguchi,  T., 1994, “Progressing a Productivity of Gear Grinding,” Advancement of Intelligent Production, JSPE Pub Ser No. 1, pp. 253–258.
Dinsdale,  J., and Jones,  P. F., 1988, “The Electronic Gear-Box-Computer Software Replaces Mechanical Coupling Machines,” CIRP Ann., 31, pp. 247–249.
Emura,  T., 1982, “A Study of A Servomechanism for NC Machines Using 90 Degrees Phase Difference Method,” Prog. Rep. of JSPE, pp. 419–421.
Emura,  T., 1983, “Introduction to Mechatronics, Part 14,” J. Sci. Mach., 35, pp. 419–424.
Emura, T., Wang, L., and Arakawa, A., 1992, “A Study on a High-Speed NC Gear Grinding Machines Using Screw-Shaped CBN Wheel,” Proceedings, International Power Transmission and Gearing Conference, pp. 89–96.
Emura, T., Wang, L., and Arakawa, A., 1993, “A High-Resolution Interpolator for Incremental Encoders by Two-Phase Type PLL Method,” Proceedings, International Conference on Industrial Electronics, Control, and Instrumentation, vol. 3, pp. 1540–1545.
Nakamura,  H., Yamanaka,  M., Emura,  T., and Wang,  L., 1994, “Development of a Wheel Spindle for a Productive Type Gear Grinding Machine,” Advancement of Intelligent Production, Ser. No. 1, pp. 203–208.
Gardner, F. M., 1966, Phase-Lock Techniques, John Wiley & Sons, New York.
Moore,  A. W., 1973, “Phase-Locked Loops for Motor-Speed Control,” IEEE Spectrum, pp. 61–67.
Tal,  J., 1977, “Speed Control by Phase-Locked Servo Systems—New Possibilities and Limitations,” IEEE Trans. Ind. Electron. Control Instrum., IECI-24, pp. 118–125.

Figures

Grahic Jump Location
Schematic of the gear grinding machine that uses screw-shaped CBN wheel; (a) Front view; (b) Lateral view
Grahic Jump Location
Block diagram of two-phase type PLL
Grahic Jump Location
Block diagram of two-phase type PLL interpolator
Grahic Jump Location
Block diagram of two-phase type PLL servo-controller
Grahic Jump Location
Block diagram of control system
Grahic Jump Location
Characteristics of servo-spindles; (a) Step response of grinding spindle; (b) Step response of work spindle
Grahic Jump Location
Gear meshing; (a) Before meshed; (b) After meshed
Grahic Jump Location
Detection of bottom of teeth using linear approximate sensors; (a) Output waveforms of linear approximate sensors; (b) Calculation of the center of bottom
Grahic Jump Location
Detected pitch error of bottom position
Grahic Jump Location
Reduction of position error using torque feed-forward compensation
Grahic Jump Location
Procedure for final meshing
Grahic Jump Location
Tracking errors under final meshing before grinding and after ground
Grahic Jump Location
Gear grinding with two-thread screw-shaped CBN wheel
Grahic Jump Location
Measured accuracy of gears ground with normal method; (a) 37-tooth gear; (b) 38-tooth gear
Grahic Jump Location
Accuracy of ground gears (a) Profile error; (b) Lead error; (c) Adjacent pitch error
Grahic Jump Location
Measured gear accuracy; Number of teeth: 38, Proposed method

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In