Multi-color multi-material injection molding method
A multi-material injection molding and molding method technology, applied in household components, applications, household appliances, etc., can solve the problems of large color differences between individual products, poor product consistency or stability, and difficulty in environmental protection and non-toxic thinners. To achieve the effect of reducing unstable factors, comfortable touch, and diversified visual gloss
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[0049] Example 1
[0050] Use an injection molding machine to heat the off-white ABS to 170°C to 200°C, pour it into the mold cavity after plasticization, and form an ABS plastic part (such as figure 2 A) is the head, face and neck of a cartoon doll.
[0051] Then put the formed ABS plastic part into a encapsulation mold cavity and fix the position so that it cannot move. Use an injection molding machine to heat the brown PVC to 150°C to 190°C, and pour it into the cavity of the overmolding mold after plasticization, so that the PVC melt covers the upper surface of the ABS plastic part (specifically, it can be designed by designing the overmold The structure of the cavity is realized), and the ABS+PVC rubber part is formed after cooling (such as figure 2 B). After the PVC melt cooled, it formed the brown hair of the cartoon doll.
[0052] Put the above-formed ABS+PVC plastic part into the cavity of the new plastic overmold and fix it so that it cannot move. Use an injection mold...
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[0053] Example 2
[0054] Use an injection molding machine to heat the blue ABS to 170°C to 200°C, pour it into the mold cavity after plasticization, and form an ABS plastic part after cooling and forming, which is the basic background color of a Beijing Opera mask (such as image 3 Shown).
[0055] Then put the formed ABS plastic part into a encapsulation mold cavity and fix the position so that it cannot move. Use an injection molding machine to heat the white PVC to 150°C to 190°C, and pour it into the encapsulation mold cavity after plasticization, so that the PVC melt is coated on the partial surface of the ABS plastic part, and the ABS+PVC plastic part is formed after cooling. After the PVC melt is cooled, it forms the eye area of the Peking Opera mask, a part of the Tai Chi pattern on the forehead, the white rubberized part of the ears, chin and other areas (such as image 3 Shown).
[0056] Put the above-formed ABS+PVC plastic part into the cavity of a new plastic overmo...
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