This paper describes a synchronous controller for high-productivity NC gear grinding machines that use a screw-shaped CBN wheel of multithread. The authors developed a high-precision controller for productive-type NC gear grinding machines in 1995. Because it was based on analog circuits, it required very complex electrical circuits. In this paper, we propose a PC-based synchronous controller to decrease production costs and add useful functions to it. The most useful one added this time is a function to increase pitch accuracy of gear ground with the multithread CBN wheel. Next useful one is a function to attain high-accuracy initial meshing between gear and CBN wheel. Because grinding-spindle and work spindle rotate at a high-speed, two-phase type PLL is applied to the controller. Grinding experiments showed that the newly developed controller has excellent performance.
A PC-Based Synchronous Controller for NC Gear Grinding Machines Using Multithread CBN Wheel
Contributed by the Design Automation Committee for publication in the JOURNAL OF MECHANICAL DESIGN. Manuscript received May 1999. Associate Editor: H. Lankarani.
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Emura, T., Wang, L., Yamanaka, M., Nakamura, H., Kato, Y., and Teshigawara, Y. (May 1, 1999). "A PC-Based Synchronous Controller for NC Gear Grinding Machines Using Multithread CBN Wheel ." ASME. J. Mech. Des. December 2001; 123(4): 590–597. https://doi.org/10.1115/1.1416481
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