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    • 10. 发明申请
    • TWO STAGE PUNCH PRESS ACTUATOR WITH OUTPUT DRIVE SHAFT POSITION SENSING
    • 两级打孔机,带有输出驱动轴位置传感器
    • WO01066320A1
    • 2001-09-13
    • PCT/US2001/006796
    • 2001-03-02
    • B21D28/00B21D28/20B30B15/16B30B15/28B26F1/02B26D7/24
    • B21D28/002B21D28/20B30B15/161B30B15/281B30B15/285Y10S83/01Y10T83/04Y10T83/089Y10T83/175Y10T83/8719Y10T83/8735Y10T83/8858Y10T83/886Y10T83/8864Y10T83/9423
    • A press for forming a workpiece (27) with a tool set includes an actuator assembly carrying a movable half or punch (14) of the tooling set and having a two phase operation. In the first phase the actuator provides relatively low force in moving the punch (14) to an intermediate position in close proximity to the workpiece (27). A sensor (25) detects the position of the punch (14), and when the punch (14) reaches the intermediate position provides a continue signal. The second phase of actuator operation is conditioned on occurrence of the continue signal, and uses normal high force to press the movable tooling half (14) against the workpiece (27) to complete the operation. The low force first phase allows obstructions of any kind to stop movement of the punch during the first phase before high force applied to the actuator may cause damage or injury to the obstruction. In a preferred embodiment, the actuator assembly has hydraulic operation.
    • 用于用工具组形成工件(27)的压力机包括承载组件的可移动半部或冲头(14)的致动器组件,并具有两相操作。 在第一阶段中,致动器在将冲头(14)移动到靠近工件(27)的中间位置时提供相对较低的力。 传感器(25)检测冲头(14)的位置,并且当冲头(14)到达中间位置时提供连续信号。 致动器操作的第二阶段根据继续信号的发生而调节,并且使用正常的大力将可动模具半部(14)压靠在工件(27)上以完成操作。 低强度第一阶段允许任何种类的障碍物在第一阶段期间停止冲头的移动,而施加到致动器的高力可能导致障碍物的损伤或损伤。 在优选实施例中,致动器组件具有液压操作。