| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a tool for use in at least one of drilling, tapping, back spot facing and counter-boring at least one hole. <P>SOLUTION: The tool has a servo motor cutting device 510 and a gear box 520. The servo motor cutting device and the gear box rotate a cutting tool for forming a hole. A drill unit skid is adapted so as to be fit to a hook fitting-in slot in a case of a power generation electric machine, and supports the servo motor drill 510 and the gear box 520. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
