| 摘要 |
<p>The tool has a cutting portion (4), an intermediate cylindrical portion (6) and a cutting portion (8) that are arranged along a rotational axis of the tool. The portion (4) has helical cutting teeth (12) with a right helix direction. The teeth (12) operate in clockwise direction of rotation of the tool. The portion (8) is shifted from the portion (4) along a longitudinal axis (10). The portion (8) has helical teeth (16) whose helix direction is same as that of helical teeth (12) of the portion (4). The teeth (16) is provided for operating in an anticlockwise direction of rotation of the tool. An independent claim is also included for a method for machining a part by using a rotative cutting tool.</p> |
