How to choose a chiller for the bottle blowing machine?

Oct 06, 2021

What is Blow Molding Machine?

Blow molding machine is a kind of equipment that makes plastic particles into hollow containers through a blow molding process. At present, the more common models include: a hollow extrusion blow molding machine that uses PP and PE for one-time molding, and uses PET, PC or PP for two moldings. The injection-stretch-blowing blow molding machine and the newly developed multi-layer hollow extrusion blow and stretch blow molding. At present, most of the blow molding machines are also two-step blow molding machines, that is, the plastic needs to be made into preforms and then blown. Nowadays, environmentally friendly plastics made of PET are commonly used.

Production process of Blow molding machine

The working process of the bottle blowing machine is generally to place the preform in the preform container, automatically enter the preform positioning device through the conveying device, and then load the preform mouth upwards onto the preform holder, and then send it to the drying tunnel for heating After that, the preform is sent to the blowing platform, and then the mold is locked, by low-pressure blowing and high-pressure blowing. After cooling and forming, the high-pressure gas in the bottle is discharged, and finally the mold is opened. The finished bottle is taken from the blowing platform by the automatic demoulding system Come down. In the cooling molding process, the chilled water provided by the chiller is used to cool the bottle wall and prevent the mold from overheating and damage.

What is a blow molding chiller ?

Blow molding chiller is the cooling system which provide cooling water for the blow molding machine. Because the bottle blowing machine generates a lot of heat during the production process, and the ambient temperature is getting higher and higher, tap water or cooling towers can no longer cool the bottle blowing machine, resulting in a decline in product refrigeration. Therefore, the bottle blowing machine chiller Used, it can effectively improve the surface finish of plastic products, reduce the surface marks and internal stress of plastic products, make the products do not shrink or deform, reduce defective products, is suitable for demoulding of plastic products, accelerate product shaping, and shorten the injection molding cycle. Greatly improve the production efficiency of the bottle blowing machine.

air cooled chiller for blowing machine

How to choose a suitable chiller for the bottle blowing machine.

First determine the control temperature and cooling capacity required by yourself, such as how much water you need per minute to finalize. Generally, the water chiller is selected according to the requirements for cooling water provided by the blowing machine manufacturer. Generally, the temperature of the outlet water is 10, and the cooling water flow requirements of different models. Some manufacturers will directly mark the horsepower of the chiller in the parameters.

If you are looking for the industrial chiller for your bottle blow machine, You are welcomed to contact us to get the blow molding chiller price.

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