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    • 2. 发明专利
    • GRINDING METHOD FOR HIGH PEDESTAL AND ITS GRINDING DEVICE
    • JPH01301047A
    • 1989-12-05
    • JP13104988
    • 1988-05-28
    • SHINEI KIKO KK
    • SUZUKI TSUTOMU
    • B24B9/06
    • PURPOSE:To uniformly grind a high pedestal face and to eliminate the need for adjusting a grindstone even if the shape of the high pedestal face varies with less wear of the grindstone by abutting plural grindstones to the high pedestal face of a dish class, etc., and grinding with the planetary rotation of the grindstone. CONSTITUTION:When a high pedestal face 51a is located at the specified position by freely detachably holding the inner side 52 of a tableware 5 by a suction pad 21 and a planetary gear 34 is rotated with revolving along an internal gear 35, a grindstone 31 is rotated with revolving in the same way as the planetary gear 34. When the high pedestal face 51a is abutted to the grindstone 31 by descending the position of the suction pad 21 in this state, the rough face of the high pedestal face 51a can be ground flatly and smoothly. The part used for grinding of the grindstone 31 then becomes almost the whole face of the side face of the grindstone 31 and due to the wear being less and uniform the high pedestal face 51a can uniformly be ground. Even in case of the diameter of the high pedestal face 51a being changed according to the size of the tablewear 5 such case can well be adjustive because of the planetary rotations of plural grindstones 31.