Patent ID: 11883986
Assignee: KRAUSSMAFFEI TECHNOLOGIES
Field: Other special machines (Mechanical engineering)
Classification: CPC B | IPC B

Claim 8:
9. Method according to claim 1, wherein the target mould internal pressure curve pwkz,soll(t) of the current injection-moulding cycle is determined according to the formula, p
      
        wkz
        ,
        soll
      
    
    ⁡
    
      (
      t
      )
    
  
  =
  
    
      
        p
        
          wkz
          ,
          ref
        
      
      ⁡
      
        (
        t
        )
      
    
    ·
    
      
        k
        mat
      
      
        
          k
          1
        
        ·
        
          k
          2
        
      
    
  

wherein
kmat are one or more empirically determined material-specific factors and
k1, k2 are factors which take into account at least the flow behaviour of the melt and/or a mould-specific dependence between compound pressure pmasse and resulting mould internal pressure pwkz.