Method of calibrator changeover
    82.
    发明授权
    Method of calibrator changeover 失效
    校准器切换方法

    公开(公告)号:US5943756A

    公开(公告)日:1999-08-31

    申请号:US75196

    申请日:1998-05-08

    IPC分类号: B29C47/90

    摘要: Calibrators (10-16) are pre-aligned on a base (18) that is positioned on a table (60). A guide (82) includes a first section (84a, 84b) connected to base (18) and a second section (94) connected to table (60). First section (84a, 84b) cooperates with second section (94) to laterally maintain base (18) on table (60) while allowing thermal expansion of base (18) in the direction of a longitudinal axis (22).

    摘要翻译: 校准器(10-16)在位于桌子(60)上的基座(18)上预对准。 引导件(82)包括连接到基座(18)的第一部分(84a,84b)和连接到工作台(60)的第二部分(94)。 第一部分(84a,84b)与第二部分(94)配合以在基座(18)沿纵向轴线(22)的方向上热膨胀的同时横向维持台(60)上的基部(18)。

    Method and apparatus for cooling extruded film tubes
    83.
    发明授权
    Method and apparatus for cooling extruded film tubes 失效
    用于冷却挤出薄膜管的方法和装置

    公开(公告)号:US5891383A

    公开(公告)日:1999-04-06

    申请号:US658369

    申请日:1996-06-05

    申请人: Daniel R. Joseph

    发明人: Daniel R. Joseph

    IPC分类号: B29C47/88 B29C47/92 B29C55/28

    摘要: The present invention is directed to a blown film extrusion apparatus in which film is extruded as a tube from an annular die and then pulled along a predetermined path. The improved blown film extrusion apparatus includes a system for gauging and controlling the surface of the extruded film tube, which includes a number of components which cooperate together. At least one transducer is provided and positioned adjacent the extruded film tube for transmitting interrogating pulses to, and receiving interrogating pulses from, the extruded film tube, and for producing a signal corresponding to a detected position of the extruded film tube. A control system is provided for substituting a filtered position signal derived from a dynamic filtering process in lieu of the detected position signal. An air flow controller is provided for varying a quantity of air within the extruded film tube in response to the control system for urging the extruded film tube to a desired position.

    摘要翻译: 本发明涉及一种吹塑薄膜挤出装置,其中薄膜从环形模头挤出成管,然后沿预定路径拉伸。 改进的吹塑薄膜挤出装置包括用于测量和控制挤出薄膜管的表面的系统,其包括多个配合在一起的部件。 至少有一个传感器被设置并邻近挤出的薄膜管定位,用于向挤出的薄膜管传送询问脉冲并接收询问脉冲,并产生对应于挤出的薄膜管的检测位置的信号。 提供了一种控制系统,用于代替来自动态滤波处理的滤波位置信号代替检测到的位置信号。 响应于用于将挤出的薄膜管推动到期望位置的控制系统,提供空气流量控制器,用于改变挤出薄膜管内的空气量。

    Plastic injection molding electrohydraulic machine hybrid drive with
joint frequency converter
    84.
    发明授权
    Plastic injection molding electrohydraulic machine hybrid drive with joint frequency converter 失效
    注塑成型电动液压机混合动力变频器与联合变频器

    公开(公告)号:US5814353A

    公开(公告)日:1998-09-29

    申请号:US739176

    申请日:1996-10-30

    申请人: Gunther Nagel

    发明人: Gunther Nagel

    摘要: An electrohydraulic hybrid drive for a plastic injection molding machine having at least one hydraulic actuator, at least one feed system for feeding the hydraulic fluid for actuation of the hydraulic actuators, at least one electric motor for operating the feed system for the hydraulic actuators, at least one further electric motor for driving the extruder screw of a plasticator device, a joint frequency convertor which actuates both of the electrical motors and a switching device circuited between the frequency converter and at least one of the electrical motors.

    摘要翻译: 一种用于塑料注射成型机的电动液压混合动力驱动器,其具有至少一个液压致动器,至少一个进给系统,用于供给用于致动液压致动器的液压流体,用于操作液压致动器的进料系统的至少一个电动机, 用于驱动塑化器装置的挤出机螺杆的至少一个电动马达,致动两个电动机的联合变频器和在变频器和至少一个电动机之间循环的开关装置。

    Start-up method for controlling outside diameter of insulated electric
wires
    85.
    发明授权
    Start-up method for controlling outside diameter of insulated electric wires 失效
    用于控制绝缘电线外径的启动方法

    公开(公告)号:US5431867A

    公开(公告)日:1995-07-11

    申请号:US216442

    申请日:1994-03-23

    摘要: Methods of and apparatus for controlling a startup process of a wire insulating line until a desired outside diameter of an insulated wire is obtained. A startup control apparatus according to the invention comprises an extruder for supplying an insulating material around a core conductor, a take-up device for taking up the insulated wire, a diameter measuring device for measuring an outside diameter of the insulated wire and a processor for monitoring and controlling the line startup process. In a method of controlling the startup process of the wire insulating line, the processor calculates a target speed ratio r between the extruder and take-up device, performs a first correction in which a demanded take-up speed CA' is increased by a predetermined increment .DELTA.CA if a measured wire diameter D is equal to or greater than a target wire diameter D.sub.0, followed by a second correction in which a demanded extruder speed EX' is increased by a predetermined increment .DELTA.Emax only if a target extruder speed x obtained by multiplying the increased demanded take-up speed CA' by the target speed ratio r is greater than the demanded extruder speed EX'.

    摘要翻译: 控制绝缘线的起动过程直到获得绝缘电线的所需外径的方法和装置。 根据本发明的起动控制装置包括用于在芯体导体周围提供绝缘材料的挤出机,用于吸收绝缘线的卷取装置,用于测量绝缘线的外径的直径测量装置和用于 监控和控制线路启动过程。 在控制线绝缘线的启动过程的方法中,处理器计算挤出机和卷取装置之间的目标速度比r,执行所要求的卷取速度CA'增加预定的第一次校正 如果所测量的线径D等于或大于目标线直径D0,则增加DELTA CA,接着进行第二校正,其中所需挤出机速度EX'仅在获得的目标挤出机速度x时增加预定增量DELTA Emax 通过将增加的所需卷取速度CA'乘以目标速度比r大于所需的挤出机速度EX'。

    Method of and apparatus for gaging and controlling circumference of
extrusion-blown film
    86.
    发明授权
    Method of and apparatus for gaging and controlling circumference of extrusion-blown film 失效
    吹塑薄膜的周长测量和控制方法和设备

    公开(公告)号:US5352393A

    公开(公告)日:1994-10-04

    申请号:US867762

    申请日:1992-04-13

    申请人: Daniel R. Joseph

    发明人: Daniel R. Joseph

    摘要: In a blown film extrusion system in which film is extruded as a tube from an annular die and then pulled along a predetermined path, an apparatus is provided for gauging and controlling the circumference of the extruded film tube. At least one transducer, preferably ultrasonic, is mounted adjacent the extruded film tube for transmitting and receiving interrogating pulses along paths normal to the extruded film tube, and for producing a current position signal corresponding to the circumference of the extruded film tube. The current position signal is continuously compared with at least one previous position signal, preferably with a computer program resident in a controller memory. If at least one preselected condition is violated, the current position signal is disregarded in favor of an estimated position signal. The quantity of air within the extruded film tube is varied in response to either the current position signal or the estimated position signal to maintain the extruded film tube at a preselected circumference.

    摘要翻译: 在将薄膜从环状模头挤出成管并沿预定路径拉伸的吹塑薄膜挤出系统中,设置有用于测量和控制挤压薄膜管的周长的装置。 至少一个换能器,优选地是超声波,被安装在挤出的薄膜管附近,用于沿着垂直于挤出的薄膜管的路径传送和接收询问脉冲,并且用于产生对应于挤出的薄膜管的圆周的当前位置信号。 当前位置信号与至少一个先前的位置信号连续地进行比较,优选地与驻留在控制器存储器中的计算机程序进行比较。 如果违反了至少一个预选条件,则忽略当前位置信号以有利于估计的位置信号。 挤出薄膜管内的空气量响应于当前位置信号或估计位置信号而变化,以将挤出的薄膜管保持在预选圆周。

    Extrusion drive control system
    87.
    发明授权
    Extrusion drive control system 失效
    挤出驱动控制系统

    公开(公告)号:US4437046A

    公开(公告)日:1984-03-13

    申请号:US389937

    申请日:1982-06-18

    申请人: Louie M. Faillace

    发明人: Louie M. Faillace

    摘要: An extrusion drive control system for control of extrusion process machinery driven elements. A drive interface unit is adapted for use with any of a variety of drive motors and regulators. The interface unit accepts analog condition information signals from the drive motor and regulator, having any of a plurality of predetermined input characteristics, and provides corresponding digital signals having characteristics that are invariant with respect to the particular input characteristics. The interface unit has a communication channel for receiving digital control signals and for outputting digital signals indicating drive operating conditions. The low power digital circuitry and communications channel are protected from the high voltage and high power connections to the drive and drive regulator.Extrusion control means comprises the interface unit together with a drive control module, which permits input of control signals including speed set and ratio set, and permits display of at least one of the operating conditions. The drive control module has an internal data bus and a communications channel connected to the data bus and to the interface unit communications channel.For the control of an extrusion line process, having a plurality of driven elements which have related desired operating speeds, a control system comprises a similar plurality of extrusion control means, all connected to a controller, together with another drive control module for the input of a line speed setting. The controller responds to the input line speed setting and the operating conditions of the driven elements to output appropriate digital control signals to the driven elements to control them to operate at the desired related speeds. The interface unit outputs appropriate analog control signals to the drive units.

    摘要翻译: 一种用于控制挤压过程机械驱动元件的挤出驱动控制系统。 驱动器接口单元适于与各种驱动马达和调节器中的任何一个一起使用。 接口单元接受来自驱动电机和调节器的模拟条件信息信号,其具有多个预定输入特性中的任何一个,并提供具有相对于特定输入特性不变的特征的相应数字信号。 接口单元具有用于接收数字控制信号并输出​​指示驱动器操作条件的数字信号的通信通道。 低功率数字电路和通信通道可以保护高压和高功率连接到驱动器和驱动调节器。 挤出控制装置包括与驱动控制模块一起的接口单元,其允许输入包括速度设定和比率设定的控制信号,并允许显示至少一个操作条件。 驱动器控制模块具有连接到数据总线和接口单元通信通道的内部数据总线和通信通道。 为了控制挤出生产线工艺,具有多个具有相关期望的操作速度的被驱动元件,控制系统包括类似的多个挤出控制装置,其全部连接到控制器,以及另一驱动控制模块,用于输入 线速度设置。 控制器响应于输入线路速度设置和从动元件的操作条件,以将适当的数字控制信号输出到被驱动元件,以控制它们以期望的相关速度运行。 接口单元向驱动单元输出适当的模拟控制信号。

    Method of and apparatus for controlling the viscosity of molten plastics
material which is to be moulded
    88.
    发明授权
    Method of and apparatus for controlling the viscosity of molten plastics material which is to be moulded 失效
    用于控制待模塑的熔融塑料材料的粘度的方法和装置

    公开(公告)号:US4213747A

    公开(公告)日:1980-07-22

    申请号:US961198

    申请日:1978-11-16

    摘要: A plastics extruder in operative association with a control arrangement is disclosed. The plastics extruder includes a screw extruder, a screen downstream of the screw extruder, a throttle located between the screw extruder and the screen, a moulding tool downstream of the screen, and a melt index measuring device. The measuring device includes a metering pump whose rotational speed is controllable and which is provided with a rotational speed indicator, a measuring nozzle disposed in a sample flow channel, and pressure and temperature sensors connected to the sample flow channel directly upstream of the inlet of the measuring nozzle. The sample flow channel is adapted to be located downstream of the screen pack and upstream of the moulding tool. For the purpose of regulating the viscosity of the plastics material melted in the screw extruder, the throttle cross-section is variable by a servomotor connected to the output of a programmable two-coordinate controller. The characteristic of the controller provides a desired value output and can be predetermined as a temperature-pressure characteristic when the metering pump is operated with constant delivery, or as a temperature-delivery characteristic when the metering pump is operated with a constant pressure drop via the measuring nozzle while the temperature sensor is connected to one of two actual value inputs of the two coordinate controller. Either the pressure sensor or the rotational speed indicator is connected to the second actual value input.

    摘要翻译: 公开了一种与控制装置有效关联的塑料挤出机。 塑料挤出机包括螺杆挤出机,螺杆挤出机下游的筛网,位于螺杆挤出机和筛网之间的节流阀,筛网下游的成型工具和熔体指数测量装置。 该测量装置包括一个计量泵,其旋转速度是可控制的,并且设置有转速指示器,设置在样品流动通道中的测量喷嘴,以及连接到样品流动通道的压力和温度传感器, 测量喷嘴。 样品流动通道适于位于筛网组件的下游和模制工具的上游。 为了调节在螺杆挤出机中熔化的塑料材料的粘度,通过连接到可编程双坐标控制器的输出的伺服电动机可以改变节流截面。 控制器的特性提供期望的值输出,并且可以预定为当计量泵以恒定的输送操作时的温度 - 压力特性,或者当计量泵通过恒定的压降操作时的温度传递特性 测量喷嘴,同时温度传感器连接到两个坐标控制器的两个实际值输入之一。 压力传感器或转速指示器都连接到第二个实际值输入。