MOULD CORE

Complex mold core mold core material selected is directly related to the life of the mold and mold price. The products from the production, the demand for products is small, a good choice of mold core material, the mold cost increases for companies to increase costs, is a waste product demand, poor selection The mold core material, fail to yield requirements, mold on the scrap, the need to re-open the mold, do not increase production efficiency, also increased the cost of the mold. To a reasonable choice of model core materials, we must first understand the core mold used mold materials and mold core properties of the materials, according to their actual work experience with different mold core material is very important.

Mold core material: P20, 738,738 H, 718,718 H, NAK80, 2316,2316 A, S136, etc., plus a hard mold with the material is 2344,8407, SKD11, SKD61 and so on.

Mold core material properties

 

1) P20: General requirements for high hardness, high toughness and wear resistance of the plastic mold, after nitriding can improve the life of the mold, for PS, PE, PP, ABS and so did not add fire retardant thermoplastic, the mold which is more commonly used mold materials, while its price is relatively low.

2) 738: P20 ratio has increased in a variety of performance, 738H was better off than 738, while a corresponding increase in the life of the mold.

3) NAK80: EDM and polishing properties are more excellent, usually in the higher transparency requirements to do the more commonly used in plastic products.

4) 2316: plastic mold for high acidity, with a high finish and high anti-acid, commonly used in PVC plastic material forming the mold.

5) 2344: generally used in hard plastic mold, die life it can reach 100 million times, but because of the relatively high cost of tooling for production of the product in larger plastic products. 8407, SKD11 and other hard-molding material is also true.

Punch processing equipment: Due to the complexity of the mold core and process more difficult, the general mold core processing equipment has very much: CNC precision machining centers, computer processing center, MC machining centers, EDM, EDM, grinding , optical grinding machine, computer gong bed, surface grinder, and so on.

General requirements for precision mold core: ± 0.005mm