| 摘要 |
PURPOSE:To substantially reduce the working manhour for a dove-tail groove by a method wherein, when work is performed on the dove-tail groove to be used for fixing of a magnetic pole, after a cutting work has been performed on a round hole in the first process, another cutting work is performed on the contact surface of the key to be used for fixing of the magnetic pole in the second process. CONSTITUTION:When the dove-tail groove 4 to be used to fix the magnetic pole 1 having a hammer-head dove-tail 3 to a yoke 2, first, a cutting work is performed on the round hole of the diameter same as the width of the dove-tail 3 in the first process. Then, in the second process, the corner part A which comes in contact with the key to be used for fixing is cut into rectangular shape. Accordingly, the area of the part whereon cutting works will be performed is reduced, and the working manhour can be greatly cut down. |
