| 摘要 |
PURPOSE: A nut tapping system is provided to prevent the runout of a tap bar rotating at high speed, thereby precisely performing the tapping operation of a nut. CONSTITUTION: A nut tapping system includes a tap bar(20) having a tap formed in a front end, a unit in which the rear end part and for rotating the tap bar, and a vibration preventing apparatus(30) installed between the unit and the front end of the tap bar and keeping the center of rotation of the tap bar rotating for tapping machining of the nut, wherein the vibration preventing apparatus includes a frame(32) having a center hole for locating the tap bar, rollers(34) supporting the tap bar, and cylinders(36) supported by the frame and connected with the rollers for moving the rollers up and down to contact the rollers with the tap bar or separate the rollers from the tap bar.
|
