Industry Information

Update January 08, 2022

Common faults and solutions for PET bottle blowing-part 4

Q16: Alarm sounds Reason: The main motor current is too large, and the thermal relay overload current protection is cut off Solutions: check motor failure or adjust thermal relay overload current...

Update January 06, 2022

Common faults and solutions for PET bottle blowing-part 3

Q11. Thermo flask Reason: The bottle is overheated, causing recrystallization inside or outside the preform, causing bottle burst Solutions: 1. Stretching time is too long 2. Lower the position of...

Update January 04, 2022

Common faults and solutions for PET bottle blowing-part 2

Q6: The bottom of the bottle is too thin Reasons: 1. Start blowing too early 2. The bottom temperature is too high 3. The bottom of the embryo tube is too thin Solutions: 1. Delay the start of...

Update January 03, 2022

How to troubleshoot the failure of the injection mold?-part7

7. The length of the guide groove is too small Due to the limitation of the template area, the length of the guide groove is too small for some molds, and the slider is exposed outside the guide...

Update December 31, 2021

Common sense of PET raw materials that need to be paid attention to in the injection molding process

一、Before molding, the plastic must be fully dried. After the material containing moisture enters the mold cavity, it will cause silver tape-like flaws on the surface of the part, and even hydrolysis...

Update December 31, 2021

How to troubleshoot the failure of the injection mold?-part6

6. Poor cooling or water leakage The cooling effect of the mold directly affects the quality and production efficiency of the product, such as poor cooling, large shrinkage of the product, or uneven...

Update December 30, 2021

How to troubleshoot the failure of the injection mold?-part5

5. The ejector rod is bent, broken or leaking The self-made ejector rods are of better quality, but the processing cost is too high. Nowadays, standard parts are usually used and the quality is...

Update December 29, 2021

Working Principle of PET Bottle Blowing Machine

PET bottle blowing machine is a bottle blowing machine equipment for blowing preforms made of PET (full name: polyethylene terephthalate) material. It is mainly used for carbonated beverage bottles,...

Update December 28, 2021

Frequently Asked Questions about PET Blow Molding Machine

1. Thick top and thin bottom: Delay the pre-blowing time, or reduce the pre-blowing pressure to reduce the air flow. 2. The bottom is thick and the top is thin: the opposite of the above. 3. There...

Update December 28, 2021

How to troubleshoot the failure of the injection mold?-part4

4. Movable template bending When the mold is injected, the molten plastic in the cavity produces a huge back pressure, generally 600 ~ 1000 kg/cm2. Mold makers sometimes do not pay attention to this...