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    • 32. 发明专利
    • Mold clamping force setting method and mold clamping force setting device of injection molding machine
    • 模具夹紧力设定方法和模具夹紧力设定注塑机设备
    • JP2012206499A
    • 2012-10-25
    • JP2011189762
    • 2011-08-31
    • Fanuc Ltdファナック株式会社
    • NAKAO HARUHIKOUCHIYAMA TATSUHIRO
    • B29C45/76
    • B29C45/7653B29C2945/76013B29C2945/76224B29C2945/76391B29C2945/76505B29C2945/76702B29C2945/76869B29C2945/76936
    • PROBLEM TO BE SOLVED: To provide a mold clamping force setting method and a molding clamping force setting device for an injection molding machine in which a proper clamping force according to the resin pressure produced by the injection of a resin to a mold can be set without producing burr and deforming the mold.SOLUTION: The maximum value (Amax) of the mold clamping force detected when a first set mold clamping force (A) is set and injection is carried out and the maximum value (Bmax) of the mold clamping force detected when a second set mold clamping force (B) is set and the injection is carried out are a combination of two groups in which the maximum values of the mold clamping forces in the injection are made larger than the set mold clamping force. By the combination of two groups, two coefficients a, b of a linear approximation formula (Fmax=a*Fs+b) are found, an intersection point of Fmax=Fs to the linear approximate equation (Fmax=a*Fs+b) is found and a proper set mold clamping force Fsis obtained so that the maximum value of the detected mold clamping force and the set mold clamping force are made equal to each other.
    • 要解决的问题:提供一种用于注射成型机的模具夹紧力设定方法和成型夹紧力设定装置,其中根据通过将树脂注射到模具产生的树脂压力的适当夹紧力可以 设置不产生毛刺和变形模具。 解决方案:当第一组合模夹紧力(A)被设定并进行注射时检测到的合模力的最大值(Amax)和当第二组合时检测到的合模力的最大值(Bmax) 设定模具夹紧力(B),并且进行注射是两组的组合,其中注射中的合模力的最大值大于设定的模具夹紧力。 通过两组的组合,找到线性近似公式(Fmax = a * Fs + b)的两个系数a,b,Fmax = Fs与线性近似方程(Fmax = a * Fs + b)的交点, 并且获得适当的设定模具夹紧力Fs (良好),使得检测到的合模力和设定的模具夹紧力的最大值彼此相等 。 版权所有(C)2013,JPO&INPIT