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公开(公告)号：US20220212270A1
公开(公告)日：2022-07-07
申请号：US17151214
申请日：2021-01-18
申请人： KASWIN CO., LTD.
发明人： GI SOO KIM
IPC分类号： B23B37/00
摘要： The present invention relates to a built-in type spindle, and more particularly, to a built-in type supersonic spindle, which includes a housing having a built-in spindle unit therein and a supersonic vibrator pressing the built-in spindle unit in order to enhance machining accuracy and reduce a damage of a bearing by vibrating a spindle and the bearing at the same time, and an excitation method using the built-in type supersonic spindle.
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