Injection molding production technique of IML (In Mold Labelling) ultrathin workpieces
A production process and technology for ultra-thin parts, applied in the field of IML ultra-thin part injection molding production process, can solve the problem of inability to form products with qualified thickness, and achieve the effect of solving the problems of concave deformation and flatness
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[0013] In order to further explain the technical solution of the present invention, the present invention will be described in detail below through specific embodiments.
[0014] Such as figure 1 As shown, the present invention relates to an injection molding production process of IML ultra-thin parts, which includes the following steps:
[0015] S100: Fully fill the injection cavity under high injection pressure ranging from 180MPa to 240MPa;
[0016] S200: immediately switch to 0.2s to 0.6s under high holding pressure;
[0017] S300: Switch to low pressure holding and continue for 2s to 4s.
[0018] Preferably, in step S200, the pressure of the high holding pressure is in the range of 170 MPa to 190 MPa; and in step S300, the pressure of the low holding pressure is in the range of 40 MPa to 65 MPa.
[0019] In step S100, if the injection pressure is less than 180 MPa, the fluidity of the injection liquid will become poor at this time, so that the flatness of the molded IML product doe...
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