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How to choose the right preform mold
Edit:Taizhou Huangyan Yige Machinery Co., Ltd.   UpDate:2019-09-10

How to choose the correct preform mold?

1. The weight of the product: The requirements for products with different weights are completely different.

2. Plastic raw materials: Different plastic raw materials have different processing variables, and those processing variables will affect the choice of warm runner system.

3. Mold: What is the number of cavities? What is the nozzle spread distance? What kind of material is processed? Wait, these are the mold elements related to the optional warm runner system.

4. Cycle cycle: Fast production cycle means higher requirements for nozzles. For example, nozzles must accurately transfer heat and be durable.

5. Gate: As for the point gate, in order to maintain good thermal balance in each molding cycle, the tip of the warm flow nozzle must have the function of melting materials and cooling and sealing. Valve gates use mechanical methods to seal the gates.

6. Nozzles: Generally speaking, nozzles can be distinguished by size, temperature spread, physical characteristics, materials used (copper, steel, etc.), ease of maintenance, and price.

7. Runner: The use of the warm runner system avoids the production of handles, then saves raw materials, and saves the process of removing handles by manual, mechanical or other methods.

8. Temperature control: each nozzle must be connected with a relatively complicated temperature controller

9, the performance of injection molding machine: can install a given size of the mold, provide a satisfactory clamping force, operate according to the requirements of cycle time, plasticize the satisfactory material, etc.

10. Product design: Generally speaking, we all know that the product design is completed, but the final molding is completed in the hot runner mold. In order to ensure a smooth product surface at the end of molding and easy mold release, it is necessary to consider those factors in the product's structural design.