SHENZHEN PENGLAI Industrial Corporation Limited
SINCE 2003



PET bottles blowing machine semi automatic 4 holes blower moulding equipment with preform heater
PET bottles blowing machine semi automatic 4 holes blower moulding equipment with preform heater
MODEL Unit YX-BL04 production Preform material
PET Max. volume 2000ml
Theoretical production capacity 1800bph-2500bph
Max. neck diameter 38mm
Max. bottle height 360mm Max. bottle diameter 120mm
molding unit Clamping force 180KN
Max. mould plate dimension(L*H) 420*640mm Mould opening stroke 200mm
Max. Mould stretching stroke 400mm Max. Mould thickness 240mm
Number of cavity cavity 4 Total power consumption 12KW
Voltage/frequency 380/50 220v/60
compressed Air system
Operation pressure 0.8-1.2KG Blowing pressure 30kg
High pressure Air consuming M3 /min 2.4
Air Cooling dryer M3 /min 2.0
Air filter M3 /min 2.0 Air tank 600L chilled water
water chiller recyling cooled water 20degree
Machine size and weight
Blower dimension(L*W*H) 1850*1050*1800mm Blower weight 1100 Kg
Heater dimension(L*W*H) 1650mm*1050mm*1350mm heater weight Kg 800
Semi Automatic Bottle blowing Machines for 200ml to 2000ml PET bottles model YX-BL series from PENGLAI INDUSTRIAL CORP
Blow molding ( BrE moulding ) is a manufacturing process by which hollow plastic parts are formed: It is also used for forming glass bottles. In general, there are three main types of blow molding: extrusion blow molding, injection blow molding, and injection stretch blow molding. The blow molding process begins with melting down the plastic and forming it into a parison or in the case of injection and injection stretch blow moulding (ISB) a preform. The parison is a tube-like piece of plastic with a hole in one end through which compressed air can pass.The parison is then clamped into a mold and air is blown into it. The air pressure then pushes the plastic out to match the mold. Once the plastic has cooled and hardened the mold opens up and the part is ejected.
Injection Stretch blow molding process.
This has two main different methods, namely Single-stage and two-stage process. Single-stage process is again broken down into 3-station and 4-station machines. In the two-stage injection stretch blow molding process, the plastic is first molded into a "preform" using the injection molding process. These preforms are produced with the necks of the bottles, including threads (the "finish") on one end. These preforms are packaged, and fed later (after cooling) into a reheat stretch blow molding machine. In the ISB process, the preforms are heated (typically using infrared heaters) above their glass transition temperature, then blown using high-pressure air into bottles using metal blow molds. The preform is always stretched with a core rod as part of the process.
Advantages: Very high volumes are produced. Little restriction on bottle design. Preforms can be sold as a completed item for a third party to blow. Is suitable for cylindrical, rectangular or oval bottles. Disadvantages: High capital cost. Floor space required is high, although compact systems have become available.
In the single-stage process both preform manufacture and bottle blowing are performed in the same machine. The older 4-station method of injection, reheat, stretch blow and ejection is more costly than the 3-station machine which eliminates the reheat stage and uses latent heat in the preform, thus saving costs of energy to reheat and 25% reduction in tooling. The process explained: Imagine the molecules are small round balls, when together they have large air gaps and small surface contact, by first stretching the molecules vertically then blowing to stretch horizontally the biaxial stretching makes the molecules a cross shape. These "crosses" fit together leaving little space as more surface area is contacted thus making the material less porous and increasing barrier strength against permeation. This process also increases the strength to be ideal for filling with carbonated drinks.
Advantages: Highly suitable for low volumes and short runs. As the preform is not released during the entire process the preform wall thickness can be shaped to allow even wall thickness when blowing rectangular and non-round shapes.
Disadvantages: Restrictions on bottle design. Only a champagne base can be made for carbonated bottles.

YX-BL04 is the fastest liner blow molding machine in mainland of China by now. The bottle blower reaches around 4200BPH for 350ML bottle. Its baking tunnel is separated from the blow station so that time for mold opening is shortened with a result of speedy blowing and high output, damage to machine is lessened so as to keep reliable performance and prolong service life, as well as machine runs more smoothly and steadily.

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♥YX-BL04 automatic stretch blow molding machine is equipped with patented preform loading system, which consists of two manipulators: rectilineal manipulator and overturning manipulator. The rectilineal manipulator moves preform with neck up to the preform holder, after heating, the overturning manipulator grips heated preform and overturn 180 put preform to blow station with neck down. After stretching and blowing, the bottle is taken off by overturning manipulator. The specially designed preform loading & bottle discharging system avoid possible damage to preform & bottle during transportation

♥ Semi Automatic Bottle blowing Machines for PET Bottles

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Control system

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Together with HITECH Man-Machine Interaction (MMI) control panel with user-friendly, the whole control system presents super performance with precise control, convenient parameter setup, obvious display and reasonable memory.


The standard operation of YX-BL04 stretch blow molding machine includes four steps as follow

Step 1. Put the preform into preform container and the conveyer will take the preform to orientation units automatically.

♥Semi Automatic Bottle blowing Machines for  PET Bottle

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A. Stable performance with advanced PLC.

B. Conveying preforms automatically with conveyor.

C. Strong penetrability and good and swift distribution of the heat by letting the bottles rotate by itself and revolute in the rails simultaneously in the infrared preheater.

D. High adjustability to enable the preheater to preheat preforms in shapes by adjusting the light tube and the length of the reflecting board in the preheating area, and eternal temperature in the preheater with an automatic thermostatic apparatus. 

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Basic parameter of 4cavities semi automatic bottles blowing machines






Preform material



Max. volume



Theoretical production capacity



Max. neck diameter       



Max. bottle height        



Max. bottle diameter   



molding unit               

Clamping force



Max. mould plate dimension(L*H)   



Mould opening stroke 



Max. Mould stretching stroke   



Max. Mould thickness   



Number of cavity




Total power consumption 





380/50  220v/60

compressed Air system     

Operation pressure                   



Blowing pressure      



High pressure Air consuming

M 3 /min


Air Cooling dryer

M 3 /min


Air filter

M 3 /min


Air tank



chilled water

water chiller 

recyling cooled water 20degree

Machine size and weight

Blower dimension(L*W*H)         



Blower weight



Heater dimension(L*W*H)     



heater weight



Warm reminder

all staff warmly welcome new  or old customers come for consultation, we will be making detailed project plan, to realize low cost, high efficiency and scientific process combination. In order to  make bottle blowing machines achieved your ideal requirements(Semi Automatic Bottle blowing Machines for PET Bottle)

Fully automatic bottles blowing machine for Pet Bottle drinking industry

How to connect air pipes &change moulds for different sizes of bottles PET blowing equipment:

Instructed on how to connect in pictures:

PICTURE for molding machines.jpg

steps for connecting pipes.jpg

connection for blowing machine.jpg

How to change mould for different sizes of bottles:

Instructed on how to in videos:

instruction on how to change mold in pictures:

change mold.jpg

two bottles molds (3).jpg

1.Closing the mould first and use a hold to hold the mould.

2. Loose the font and back nuts and take the nut off.

3. Press the green button to open the mould.

4. Take the mould out.

5. Putthe new mould of another size to the machine, then tighten the 2 nuts of front.

6. Close the mould and make sure it at a right position.

7. Tighten the back nut back.

Bottles&preform for model YX-BL series bottles blowing machine

bottles samples and preform.jpg

Preform bottles.JPG

bottles and blowing preform blower PENGLAI.jpg

Package wooden carton or plywood case

packaging wooden case in container .jpg 

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After-sales Service on bottles blowing machine

Warrantee: Three years warranty since the date of delivery,if there is any wearing part broken within the warranty and isn’t caused by improper operation.

The seller should offer the new parts within the warranty period to replace the broken ones while the buyer should bear the cost about the new parts and shipping fee.

installation and commissioning:the customer will pay the economic air tickets round trip & arrange the accommodation and food &the means for  engineers 60USD/day

as salary for the maufacturer's engineers for installation and commissioning the equipments in the customer's plan


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