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    • 19. 发明授权
    • Worktable for a machine tool
    • 机床工作台
    • US06385831B1
    • 2002-05-14
    • US08824279
    • 1997-03-26
    • Peter Grund
    • Peter Grund
    • B23Q1610
    • F15B15/065B23Q5/266B23Q16/026Y10T29/513Y10T29/5158Y10T29/5163Y10T29/5165Y10T74/1406Y10T74/1418Y10T82/2587
    • A workpiece table, provided for a machine tool, is movable back and forth between two end positions and has for this purpose a rotational drive which has a gear part joined to the workpiece table for rotation thereof, a toothed rack in engagement therewith, as well as a medium-actuated shift drive for displacement of the toothed rack, which thereby performs a linear stroke motion, delimited by stops, between two end locations corresponding to the end positions of the workpiece table. Provided on the workpiece table is a mechanism which acts upon the toothed rack with a higher feed force at the beginning of the linear stroke movement than during the remainder of the linear stroke.
    • 为机床提供的工件台可以在两个端部位置之间来回移动,并且为此目的具有旋转驱动器,其具有连接到工件台的齿轮部分用于旋转,以及与其接合的齿形齿条 作为用于齿条的位移的中间致动换档驱动器,由此在对应于工件台的端部位置的两个端部位置之间执行由停止限定的线性行程运动。 在工件台上设置有在线性行程运动开始时以比在线性行程的剩余部分期间更高的进给力作用在齿条上的机构。