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    • 9. 发明授权
    • Fastening apparatus and method
    • 紧固装置和方法
    • US06981311B2
    • 2006-01-03
    • US10383016
    • 2003-03-06
    • Warren A. SeithJohn A. McCallops
    • Warren A. SeithJohn A. McCallops
    • B23P19/00B23P21/00
    • B25B23/14B25B21/00Y10T29/49764Y10T29/49774Y10T29/5303Y10T29/53061Y10T29/5343
    • A system and method for precision fastening of a fastener. The fastening system includes a motor and a sensor that provides a feedback signal from the motor to a controller. The controller compares the feedback signal to a threshold value to determine if an error condition exists. If the error condition exists, the controller oscillates a rotor to the motor between a first and a second position. In one construction, a resolver provides a signal to the controller representing a position of the oscillating rotor. The oscillating rotor vibrates the housing, thereby alerting an operator of the error condition. In one construction, the fastener device can alert the operator that the fastener is not tightened to a proper torque, and that the fastener is not rotated through a proper angle of rotation.
    • 紧固件精密扣紧的系统和方法。 紧固系统包括电动机和传感器,其将来自电动机的反馈信号提供给控制器。 控制器将反馈信号与阈值进行比较,以确定是否存在错误条件。 如果存在误差条件,则控制器在第一和第二位置之间使转子振荡到电动机。 在一种结构中,解算器向控制器提供表示振荡转子位置的信号。 振荡转子振动壳体,从而警告操作者错误状况。 在一种结构中,紧固件装置可以提醒操作者紧固件没有被紧固到适当的扭矩,并且紧固件没有旋转通过适当的旋转角度。