Processing technology for plastic decorated board
A processing technology and decorative board technology, applied in the field of plastic molding, to achieve stable product quality, reduce production costs, and strong stability
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[0019] A processing technology for an automobile sunroof decorative panel, specifically comprising the following steps:
[0020] (1) Dry the raw material nylon 66, the drying temperature is 100-120°C, and the drying time is 6-4 hours;
[0021] (2) Set the temperature of the heating section of the injection molding machine: the first section is 265±5°C, the second section is 260±5°C, the third section is 255±5°C, the fourth section is 250±5°C, and the fifth section is 245±5°C ;
[0022] (3) Connect the mold to the heating system, and raise the oil temperature to 150°C;
[0023] (4) Add the dried nylon 66 into the injection molding machine;
[0024] (5) According to the following process requirements, adjust the injection molding machine to complete the injection molding process of the product:
[0025] a. The first section adopts 70Mpa medium pressure and 50m / s medium-low speed injection, the injection time is 0.25----0.5 seconds, and the injection glue volume reaches 78-80%...
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