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    • 8. 发明公开
    • DIE CONDITION DETECTION
    • 模具状态检测
    • EP3141315A1
    • 2017-03-15
    • EP16191973.3
    • 2009-03-03
    • Henrob Limited
    • CLEW, Nicholas RichardELLIOT, Peter JohnKAMINSKI, Stephen Henry
    • B21J15/02B21J15/28B21J15/36B23D39/00B23Q17/09
    • A die (13) is supported in a die holder such as a frame or an adapter (18, 518) supported in a frame such that it is operational use in a material deforming operation. A washer (50) is disposed between the die head (20) and the die adapter holder (18, 518). One or both of the die and the die holder have at least one gas passage which is substantially closed by at least part of the die. Gas such as pressurised air is directed into an end of the gas passage opposite the die via a hose connected to a gas source. If the die is broken or loose, leak paths are available for the escape of gas past the die to or from atmosphere and the change in pressure of the gas and the magnitude of that pressure, or the flow rate of the gas are sensed.
    • 模具(13)被支撑在诸如框架或支撑在框架中的适配器(18,518)的模座中,使得它可用于材料变形操作。 垫圈(50)设置在模头(20)和模具适配器保持器(18,518)之间。 模具和模具夹具中的一个或两个具有至少一个基本上由模具的至少一部分封闭的气体通道。 诸如压缩空气之类的气体通过连接到气体源的软管被引导到与模具相对的气体通道的末端。 如果模具损坏或松动,泄漏通道可用于将气体通过模具逸出至大气或从大气排出,并且可检测气体的压力变化以及该压力的大小或气体的流量。