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在用于测量具有间断表面制件(如在外圆磨床上磨制花键轴)的自动量仪中,测杆的阻尼和闭销方法有很多,大多数是采用电动的.也有部份是用价格昂贵的阻尼和闭锁系统. 微型、快速气动控制元件的发展.促进了测杆能自动闭销的气动测头的结构发展。这种测头可以作为任何测微计的连接件来使用。为了发挥气动机械的优点.闭销动作应直接由工件的空缺来控制.而仪器则
In automatic gauges used to measure parts with discontinuous surfaces, such as grinding spline shafts on cylindrical grinding machines, there are many ways to damp and deactivate the spindle, most of which are powered and some are used Expensive damping and locking systems The development of miniature, fast-acting pneumatic control elements has contributed to the structural development of pneumatic probes that can automatically close the measuring rod. This probe can be used as a connector for any micrometer. In order to take advantage of the advantages of pneumatic machinery, the closing motion should be controlled directly by the vacancy of the work piece