Importance

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Abstract

An ultrasonic vibration composite grinding tool is disclosed wherein a plurality of small-sized grinding wheels are arranged for carrying out grinding of a ground material while applying vibration to the ground material, to thereby ensure stable operation of the grinding tool to accomplish efficient grinding of the ground material even when the ground material is large-sized. A grinding structure and a vibration structure are arranged. The grinding structure includes a rotatable base having a rotation axis and a plurality of grinding wheels formed into the same configuration and each including a micro-cutting surface. The grinding wheels are arranged on one surface of the base in a manner to be spaced from each other at predetermined intervals in a circumferential direction of the base about the rotation axis of the base. The vibration structure functions to vibrate the grinding wheels.

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First Claim