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Technical question 17, What determines the one-out one and one-out two of the blow mold?

For blow molds, especially injection-blow molds, what determines the processing methods of one-out one and one-out two?


The production method of blow molds is determined by these points, 1. Mold development cost. 2. Product production cost. 3. The difficulty of product development. 4. Product volume.

1.Mold development cost.

No matter the material cost, processing method and processing time of the one-out one mold are lower than the one-out two or one-out molds.


2. Product production cost.

One out of one means that only one finished product can be produced in the same working hours in the production of products, while one out of two can produce two, and one out of two can produce more. Then the larger the quantity of the product, the shorter the working hours of the one-out two products will be, and the production cost will be lower than the one-out one product cost.


3. The difficulty of product development.

This mainly refers to the difficulty of the product structure. Some products have complex structures and special requirements, so there are more conditions to be controlled. Then this product is better with one-out and one-processing than one-out and two-processing, and the production of one-out-one products is more controllable.


4. Product volume.

For the tonnage of blow molding machines, under the limitation of tonnage, the larger the product volume, the smaller the probability of using one-out multiple processing or one-out two processing. On the contrary, the smaller the volume, the greater the probability of using one-out two processing.


Technical question 17, What determines the one-out one and one-out two of the blow mold

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