Preform mould features:
Neck rings designed in two parts to ensure the same axial degree of preforms in molding;
Optimized water-cooling channels to enhance preform cooling in mold and to guarantee fast cycle time;
Mold stacks are made of S136 stainless mould steel; the steel will be heat treated before finish tooling;
Plates and other parts of the frame are made of 4Cr13 stainless mold steel.
Hot-runner channels have the top engineering in balance design;
Valve gate advanced structure;
Main parts of hot-half mold such as heaters, valve-stems are imported from Europe;
Drops are controlled individually and heating zone temperatures are adjustable, AA value from thermal degradation is minimized.
Mold test:
The finished mold will be tested in our factory before delivery.
Preform acceptance:
Preforms molded from our factory are in optical clarity international standards;
Preform wall thickness variation within 0.12mm can be achieved for preform with standard neck;
Preform will be accepted in accordance with preform drawing.
Preform mold main technical details:
1 | Warranty of the molds | 5 million shots |
2 | Stainless Steel Material of cores, cavities | S136 |
3 | Stainless Steel Material of plates | 4Cr13 stainless |
4 | HRC45~48 | |
5 | Hardness of cavity | HRC45~48 |
6 | Hardness of lip cavity(neck piece) | HRC45~48 |
7 | Hardness of mold base | HRC32-35 |
8 | Hot Runner system | European PET mold style, adopting the international famous brand components, such as Plastic cap-insulator (Brand: DUPONTCHEMICAL, USA, withstands 350 Degree C), valve-stem (Material: SKD61, Brand: PUNCH, Japan). Heating elements are with international brand, made in China. |
