| 摘要 |
A grinding method characterized in that a rotatably arranged grinding tank and downward projecting spindles rotatable in any direction on a stationary or rotatable main shaft stand positioned above the grinding tank and fitted to a fitting column body are provided, the grinding tank is charged with such grinding materials as hone grains and is stopped or rotated at a low or high speed depending on the work product. The work product to be ground is fitted to the spindle on the main shaft stand, is put into the grinding materials within the tank and is rotated reversely to or in the same direction as of the rotation of the grinding tank or is stopped and the work or the grinding tank is moved up and down and forward and rearward so that the work may be ground in a low pressure fluid state or high pressure fluid state. The tank is sealed to permit high grinding pressures when the tank and work products are rotated at high speeds.
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