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    • 7. 发明公开
      EP3291958A1 ERMITTELN VON PROZESSPARAMETERWERTEN IN EINEM SPRITZGUSSPROZESS 有权 转让
    • ERMITTELN VON PROZESSPARAMETERWERTEN IN EINEM SPRITZGUSSPROZESS
    • 确定注射过程中的过程参数值
    • EP3291958A1
    • 2018-03-14
    • EP16714348.6
    • 2016-03-29
    • BT Bayern Treuhand Management&Technologie AG
    • MENSLER, Holger , MÄRTL, Josef
    • B29C45/76
    • B29C45/766 , B29C45/7693 , B29C45/77 , B29C2045/7606 , B29C2945/76006 , B29C2945/76913 , G05B19/042 , G05B2219/2624
    • Described is a method for determining a number of process parameter values in an injection molding process within an injection mold (1F). In this method, geometric data for the injection mold (1F) and/or a molded part (1, 1', 1") which is to be produced in the injection mold (1F) are determined. Using the geometric data, a virtual molded part-specific pressure curve (p
      s ) of an injection molding process is determined, on the basis of which a molded part-specific event pattern (M
      s ) is determined which comprises a plurality of singular virtual events (E
      S1 , E
      S2 , E
      S3 ,...) which are linked with characteristic event locations (F
      1 , F
      2 , F
      3 ,...) in the molded part geometry and with each of which is associated at least one item of relative time information (t
      S1 , t
      S2 , t
      S3 ,...) and at least one item of position data which defines a position of a melt front (SF) of the injection molding material (KS) in the injection mold (1F). In addition, an injection molding process is carried out using an injection mold (1F) and a measurement pressure curve (p
      m ) is determined during the injection molding process, on the basis of which measurement pressure curve a measurement event pattern (M
      m ) is determined, the measurement event pattern (M
      m ) having a plurality of singular measurement events (E
      m1 , E
      m2 , E
      m3 ,...) with which at least one item of time information (t
      m1 , t
      m2 , t
      m3 ,...) is associated. Virtual events (E
      S1 , E
      S2 , E
      S3 ,...) of the molded part-specific event pattern (M
      s ) are brought into association with measurement events (E
      m1 , E
      m2 , E
      m3 ,...) of the measurement event pattern (Mm). The process parameter values are derived on the basis of the position data and the time information (t
      m1 , t
      m2 , t
      m3 ,...) associated with the virtual events (E
      S1 , E
      S2 , E
      S3 ,... ) and associated with the measurement events (E
      m1 , E
      m2 , E
      m3 ,...) associated with these virtual events (E
      S1 , E
      S2 , E
      S3 ,... ). Furthermore, methods for controlling an injection molding system (10) and for visualizing an injection molding process in an injection molding system (10) are described. In addition, a corresponding process parameter value-determining device (20) and an injection molding system (10) having such a process parameter value-determining device (20) are described.
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