mould maker

Chinese Mould Maker

If you want to produce plastic clear injection molded parts with high quality. China’s mold manufacturing level is not only high. But the price is also cheap. Too many mold factory, how to find a really good company? we share some experience with you today: how to make the nice transparent plastic part.

Higher transmittance, transparent plastic inevitable requirement for the surface of the plastic products strict quality requirements, and can not have any markings, pores, whitening. Fog halo, black spots, discoloration, poor gloss, and other defects, and thus the entire injection molding process of the raw material, mold, and even product design, should pay great attention to strict and even special demands. Mold design should pay attention to the problem Usually in the design of the mold, you should note the following points.

Five  Design Tips

1.  The wall thickness should be uniform, and the stripping slope be large enough;
2.  transition section should gradually. Smooth transition and prevent any sharp corners. Sharp edges, especially pc product must not have a gap;
3.  gate. Flow channel as much as possible large, chunky, and the location of the gate should be set according to the contraction of the condensation process, necessary, add cold slug well;
4.  mold maker treat surface should be smooth, low roughness (preferably less than 0.8);
5.  vent. The slots must be sufficient, and when the exhaust air and the gas in the melt;
   (B) the preparation and drying of the raw material due to plastic contain any point impurities are likely to affect the transparency of the product, and therefore, storage, transportation. Feeding process, you must pay attention to the seal, clean raw material. Raw materials containing water, heating cause material deterioration, so be sure to dry injection, feeding must use the drying hopper. Also note that the drying process, the input air should preferably by filtration, dehumidified, in order to ensure that no contamination of raw materials.

we want to hear from you also for your experience, improve our mould maker technology — A Chinese mould maker