In the injection process, the temperature of the plastic public chair mold directly affects the number of plastic products and injection cycle, the performance of each plastic is different, different molding process requirements, plastic public chair mold temperature requirements are different, ABS in the injection molding required mold temperature 40-60 degrees. Any plastic products, mold temperature fluctuations are mostly unfavorable, high mold temperature will make the product in the mold after the deformation, so that productivity decreases, low mold temperature will reduce the flow of plastic, increasing the internal force of the product and the defects such as Ming's dissolution traces ° as the mold temperature is constantly being injected into the molten plastic plus mold temperature rises, by the plastic public chair mold itself can not make it maintain a low temperature, so it must be added cooling mechanism.
Plastic public chair mold cooling device points
(1) indicates that the more the number of cooling water holes, the more uniform the cooling of the plastic public chair.
(2) water hole cavity surface preferably have the same distance
That is, the arrangement of the holes coincides with the shape of the cavity, and the distance of the water holes from the cavity is commonly used 1215㎜
(3)The part where the temperature rises should be strengthened to cool.
(4)The diameter of the water pipe makes the water flow speed not exceed the water flow speed of the cooling water channel, so as to avoid producing big cooling.
The diameter of cooling water channel is generally not less than 4mm.
(5) Concave mold and convex mold forming cores are separated and cooled, and their cooling balance is maintained
(6) cooling water channel does not wear or its connection parts, water channel must be sealed to avoid leakage
(7) export cooling water temperature difference is not too large, so as not to cause uneven cooling of the surface of the plastic public chair mold
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Post time: May-18-2022