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1.发明授权Method for controlling a vacuum valve of a vacuum die casting device and a vacuum die casting device 失效用于控制真空压铸装置的真空阀的方法和真空压铸装置公开(公告)号：US06948549B2
公开(公告)日：2005-09-27
申请号：US10489577
申请日：2002-09-12
摘要： A vacuum die casting apparatus includes a casting cavity (10), which is evacuatable via a vacuum valve (26). A liquid casting material is pressable into the casting cavity by a piston (14) actuated by an actuator (17). A filling level sensor (20) detects a predetermined filling level of the casting material in the casting cavity. A control device (34) is connected to the filling level sensor for controlling the vacuum valve, and a position sensor (32) is connected to the control device (34) for detecting movement of the piston (14). The control device generates a closing signal for the vacuum valve (26) when the piston, after reaching the position (s1) at which the filling level sensor (20) indicates a predetermined filling level of the casting cavity (10) with casting material has been reached, is displaced in a predetermined manner.
摘要翻译： 真空压铸装置包括可通过真空阀（26）抽空的铸腔（10）。 液体铸造材料通过由致动器（17）致动的活塞（14）压入铸造腔。 填充液位传感器（20）检测铸造腔中的铸造材料的预定填充水平。 控制装置（34）连接到用于控制真空阀的填充液位传感器，位置传感器（32）连接到控制装置（34），用于检测活塞（14）的运动。 当活塞达到填充液位传感器（20）表示铸件的预定填充水平的位置（s 1> 1）之后，控制装置产生用于真空阀（26）的关闭信号 已经到达具有铸造材料的空腔（10），以预定的方式移位。
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2.发明申请Method for controlling a vacuum valve of a vacuum diecasting device and a vacuum diecasting device 失效用于控制真空压铸装置的真空阀和真空压铸装置的方法公开(公告)号：US20050126740A1
公开(公告)日：2005-06-16
申请号：US10489577
申请日：2002-09-12
摘要： A vacuum die casting apparatus includes a casting cavity (10), which is evacuatable via a vacuum valve (26). A liquid casting material is pressable into the casting cavity by a piston (14) actuated by an actuator (17). A filling level sensor (20) detects a predetermined filling level of the casting material in the casting cavity. A control device (34) is connected to the filling level sensor for controlling the vacuum valve, and a position sensor (32) is connected to the control device (34) for detecting movement of the piston (14). The control device generates a closing signal for the vacuum valve (26) when the piston, after reaching the position (s1) at which the filling level sensor (20) indicates a predetermined filling level of the casting cavity (10) with casting material has been reached, is displaced in a predetermined manner.
摘要翻译： 真空压铸装置包括可通过真空阀（26）抽空的铸腔（10）。 液体铸造材料通过由致动器（17）致动的活塞（14）压入铸造腔。 填充液位传感器（20）检测铸造腔中的铸造材料的预定填充水平。 控制装置（34）连接到用于控制真空阀的填充液位传感器，位置传感器（32）连接到控制装置（34），用于检测活塞（14）的运动。 当活塞达到填充液位传感器（20）表示铸件的预定填充水平的位置（s 1> 1）之后，控制装置产生用于真空阀（26）的关闭信号 已经到达具有铸造材料的空腔（10），以预定的方式移位。
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