PET bottle blowing machine is mainly used to blow the bottle preform. Many users have feedback that the bottom of the bottle from the plastic bottle blow molding machine is not formed. There are many reasons for the bottom of the bottle. I will share with you the bottom of the bottle. Causes and solutions.
1. Reasons for heating at the bottom of the bottle
At present, most automatic pet plastic blow molding machines use infrared tube heating. The heating box is divided into multiple independent areas, and the temperature is controlled separately. Insufficient or low heating temperature at the bottom of the bottle will cause the bottom of the bottle to be unformed.
Solution: Adjust to the appropriate heating temperature at the bottom of the bottle. For detailed temperature adjustment, please consult the pet bottle making machine manufacturer after-sales service
2. Reasons for stretching
Eccentric or too short stretch rods, resulting in deformation of the bottom of the bottle or too small force can cause the bottom of the bottle to be unformed.
Solution: adjust the position and length of the stretch rod
3. Reasons for blowing
Insufficient high-pressure blowing, adjust blowing pressure
4. Reasons for bottom mold
The gap between the bottom mold and the closed mold of the preform, the occurrence of air leakage or the incorrect height adjustment position of the bottom mold can cause the bottom of the bottle to be unformed.
Summary: The above is the solution to the unformed bottom of the bottle blown by the blow molding machine. For new users, the performance of the blow molding machine is not very familiar. It is recommended to consult the blow molding machine equipment manufacturer before the operation. Master, or online consulting after-sales technical support for you to answer online.