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    • 5. 发明授权
    • HOT PLATE WELDING SYSTEM
    • 热板焊接系统
    • EP1068064B1
    • 2001-12-05
    • EP99908729.9
    • 1999-03-23
    • KVT Technologies Inc.
    • WEBER, WolfgangOXENFARTH, Hans-Josef
    • B29C65/18B29C65/78B29C65/20
    • B29C65/20B29C65/02B29C65/18B29C66/112B29C66/114B29C66/53246B29C66/8163B29C66/9221B29C66/9261B29C66/92653
    • The invention disclosed hereunder is a process and a device for the preparation and formation of a plastic weld connection between a workpiece (13) and a second component to be attached thereto by heating by means of a heating device (12). If force is applied, the heating element (12) tends to deform the contact surface especially in the case of hollow, thin-walled workpieces such as plastic containers. So far, methods were disclosed for the measuring of the degree of deformation by means of a sensor, subsequently readjusting the position of the heating device according to the determined deformation. The invention disclosed hereunder dispenses with any measurement of deformation, instead using an elastic element which automatically readjusts the position of the heating element (12) in the case of deformation of the workpiece (13) to effect a pre-load between the heating device (12) positioned at the contact surface of the workpiece (13) and the workpiece (13).
    • 下面公开的本发明是一种用于在工件(13)和通过加热装置(12)加热而与其连接的第二部件之间形成塑性焊接连接的工艺和装置。 如果施加力,加热元件(12)倾向于使接触表面变形,特别是在中空的薄壁工件(例如塑料容器)的情况下。 到目前为止,已经公开了通过传感器测量变形程度的方法,随后根据确定的变形重新调整加热装置的位置。 在下文中公开的本发明取代任何变形测量,代替使用弹性元件,该弹性元件在工件(13)变形的情况下自动重新调整加热元件(12)的位置,以实现加热装置(13) 定位在工件(13)和工件(13)的接触表面处。