The solution for blowing out the unformed bottom of the bottle by the blowing machine

Update: 2022/05/12
Abstract:

The bottle blowing machine is mainly used to blow the b […]

The bottle blowing machine is mainly used to blow the bottle on the preform. Most users report that the bottle bottom of the bottle blowing machine is not formed, and there are many reasons why the bottle bottom is not formed. Now I will share with you the reasons and solutions for the unformed bottom of the bottle.
1. The reason for heating the bottom of the bottle
At present, most of the automatic pet blow molding machines are heated by infrared lamps. The heating box is divided into several independent areas, and the temperature is controlled independently. If the temperature is not enough or the heating is too low, the bottom of the blown bottle will not be formed.
Solution: Adjust the bottom of the bottle to the appropriate heating temperature of the bottom of the bottle. For specific temperature adjustment, please consult the after-sales service of the pet blow molding machine manufacturer.

2. Reasons for stretching
Due to the eccentricity of the stretch rod or the short stretch rod, the deformation of the bottom of the bottle or the force is too small can cause the bottom of the bottle to be unshaped.
Solution: Adjust the position and length of the stretch rod
3. Reasons for blowing
Insufficient high pressure blowing, adjust the blowing pressure
4. The reason for the mold at the bottom of the bottle
If there is air leakage in the gap between the bottom mold of the bottle and the clamping mold of the bottle, or the height adjustment position of the bottom mold is incorrect, the bottom of the bottle will not be formed.

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