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Process and product selection for blow molding machines

March 28, 2022

 

Process and product selection for blow molding machines

Process

1. Preheating

The preform (preform) is irradiated by an infrared high-temperature lamp, and the body part of the preform (preform) is heated and softened. In order to maintain the shape of the bottle mouth, the preform (preform) mouth does not need to be heated, so a certain amount of heat is required. cooling device to cool it.

2. Blow molding

This stage is to place the preheated preform (preform) into the blow mold that has been prepared, inflate it with high pressure, and blow and draw the preform (preform) into the desired bottle.

Blow molding machines on the market are generally divided into two types: automatic and semi-automatic.

The automatic bottle blowing machine completes the two blowing operations together through the operation of the manipulator, eliminating the process of manually placing the preheated preform (preform) into the blow mold in the middle. Greatly accelerated the rate of production, of course, the price is higher than the semi-automatic.

 

Product choice

How to choose the model of the blow molding machine you need must be the topic that everyone is most concerned about.

Generally speaking, choose the model of the blow molding machine according to the products you need. For manufacturers of different dosages, the general concern is the size of a few cavities, the size of the bottle capacity, and the output per hour.

It is very important to choose the model that meets your needs according to your needs

 

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