Why bottle manufacturing machine / automatic blow moulding machine / plastic blowing machine
3 stations of injection, stretching & blowing and products demoulding are integrated into one blowing machine frame.
Hollow containers are one-step formed from raw material to finished products.
The core component of the one-step injection (stretch) blowing process is a triangular turntable, which rotates at 120 degrees.
The plastic melt is injected into the parison under low injection pressure, and the neck of the bottle is precisely shaped.
After proper control, the mold is opened and the mandrel and parison are transferred to the stretch/blowing station.
Compressed air is then blown into the stretched parison to expand to the bottles mold.
Once the bottle is cooled the mold is opened and the finished bottle is emptied from the mold cavity.
The one step method was preferred by jar supplier and empty bottle supplier because the entire molding process is done with only 1 machine. The two step method requires 2 machines, one to make the preform and another one to process it, requiring more energy to operate. In addition to being more efficient, the one step method allows more flexibility of shapes and geometries when processing because the preform is stretch blown immediately into the blow cavities which gives greater control of wall thicknesses. The visual quality of the part produced using the one step method is also much higher.
Lower Energy Consumption.
Lower investment cost for equivalent output.
Ability to mould very fine containers – allowing PET containers to expand into new markets.
Lowering costs, improving ergonomics and making recycling easier.
PET containers can now replace HDPE containers with handles.
Higher production flexibility – allowing operation in multiple markets using just one machine.
Especially suitable for medical, pharmaceutical or food contact applications.
