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What kind of preform mould is good?

Release time: 2021-02-04

Source: Taizhou Pubo Plastic Mould Co., Ltd.

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What kind of preform mould is good?
What kind of preform mould is good? What influences the choice of hot runner nozzle? In our opinion, product quality, product design, plastic raw materials, molds, cycle cycles, gates, nozzles, runners, temperature controllers and performance of injection molding machines will all Affect the choice of hot runner nozzle. After we have a very accurate understanding of these, we can choose the right hot runner nozzle. Now we will introduce how to choose preform mould correctly?
how to choose preform mould
1. Product weight: different weight products have completely different requirements for the hot runner.
2. Plastic raw materials: Different plastic raw materials have different processing variables, and those processing variables will affect the choice of hot runner system.
3. Mold: What is the number of image cavities? How far is the nozzle distribution? What kind of materials are processed? These are all mold elements related to the optional hot runner system.
4. Cycle cycle: Fast production cycle means higher requirements for nozzles. For example, the nozzle must transfer heat accurately and be durable.
5. Gate: For point gates, in order to maintain a good thermal balance in each molding cycle, the tip of the hot flow nozzle must have the functions of melting materials and cooling and sealing. The valve gate uses a mechanical method to seal the gate.
6. Nozzles: nozzles can generally be distinguished by size, temperature distribution, physical characteristics, materials used (copper, steel, etc.), difficulty and price of maintenance.
7. Runner: The use of the hot runner system avoids the production of handles, thereby saving raw materials, and at the same time eliminating the need to remove the handles by hand, manipulator or other methods.
8. Temperature control: each nozzle must be connected to a relatively complex temperature controller
9. The performance of the injection molding machine: able to install a given size of mold, provide sufficient clamping force, operate according to the requirements of cycle time, plasticize enough materials, etc.
10. Product design: Generally speaking, we all know that product design is completed first, but the final molding is completed in the hot runner mold. In order to ensure that the product has a smooth appearance at the end of molding and is easy to mold out, those factors must be considered in the structural design of the product.

Taizhou Pubo Plastic Mould Co., Ltd. provides different types of preform moulds. Our products are trusted by customers all over the world. If you have any questions about how to choose preform mould, please contact us.

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