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Fully Automatic PET Stretch Blow Molding Machine

9000BPH Fully Automatic 6 Cavity PET Stretch Blow Molding Machine

The Fully Automatic PET Stretch Blow Molding Machine is designed to produce high-quality PET bottles with maximum efficiency and consistency. Equipped with advanced servo technology, energy-saving heating systems, and intelligent control software, the machine ensures stable performance for a wide range of bottle types, including water, juice, oil, cosmetic, and carbonated drink bottles. Its automated preform feeding, fast mold-changing design, and precise temperature control make it the ideal solution for modern beverage packaging lines seeking high output, low operating cost, and reliable bottle quality.

Model:
NC-9000
Brand:
NANCHENG
Function:
Bottle making
Material:
SUS304/316
Control:
Electric Auto Control
PLC:
Mitsubishi/Siemens/Schneider
After-sales Service Provided:
Engineers Available To Service Machinery Overseas
Certification:
CE TUV
Packaging type:
Wooden carton
Driven type:
Electric
Automatic grade:
Automatic
Application:
Food, Beverage, Commodity
Key selling points:
High-accuracy
Core components:
motor, Pump, PLC, Gear, Bearing, Gearbox, Other
Place of origin:
Jiangsu, China

Quantity:
Availability:





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Product Description

Introduction of Fully Automatic PET Stretch Blow Molding Machine

The full automatic blow molding machine is engineered for producing PET bottles and containers of various shapes. It is widely used for manufacturing carbonated drink bottles, mineral water bottles, pesticide bottles, edible oil bottles, cosmetic containers, wide-mouth jars, and hot-fill bottles.

Main Machine Features

Advanced PLC Control – Ensures stable, reliable performance during continuous production.
Automatic Preform Conveying System – Reduces labor costs and improves feeding efficiency.
Uniform Heating System – Preforms rotate while passing through the infrared heater, ensuring even heat distribution, higher bottle-forming rate, and increased output.
Flexible Heating Adjustment – The PLC controls the power zones of the infrared lamps, allowing precise temperature adjustments and ensuring constant heating conditions.
High Safety Protection – Every mechanical movement is equipped with an automatic safety-locking device, creating a fully safe working environment and preventing damage during any malfunction.
High-Quality Air Components – Uses FESTO air cylinders to reduce noise and prevent contamination.
Optimized Air Pressure Design – Independent air circuits for blowing and mechanical actions to achieve the best performance under different pressures.
Strong Mold Clamping Force – High-pressure double-crank mechanism ensures tight mold locking.
Dual Operation Modes – Both automatic and manual modes are available.
Low Operating Cost & Easy Maintenance – Fully automated workflow provides high efficiency, simple operation, and minimal maintenance.
Efficient Cooling System – Ensures bottles are perfectly formed without surface defects.

Features of Fully Automatic PET Stretch Blow Molding Machine

Fully Automatic PET Stretch Blow Molding Machine

1.1 New Auto Preform Unscrambler System

One-way preform feeding and servo-driven preform separation eliminate jamming and reduce wear.
Dual photoelectric sensors monitor the preform level and alert operators to add preforms without stopping production.

Fully Automatic PET Stretch Blow Molding Machine

1.2 New Heating System

Optimized oven design reduces energy consumption.
Special structure ensures easy maintenance and improved power-saving performance.
Each lamp can be individually adjusted for precise temperature control.
Circulating air-cooling maintains stable oven temperature.

1.3 Servo System for Main Transmission

Servo-controlled transmission provides fast, accurate, and stable positioning of the preform heating base during startup and operation.

1.4 Servo-Driven Clamping & Stretching Technology

Servo-driven double-crank clamping system shortens clamping time, boosts productivity, and eliminates swelling mold or large joint lines with pressure-plate assistance.
Servo-controlled stretching rod ensures faster blowing speed and more consistent bottle quality.

Fully Automatic PET Stretch Blow Molding Machine

1.5 Quick Mold Change Design

Drawer-type mold design allows fast mold replacement—within one hour—when using the same neck size.

1.6 Intelligent Human-Machine Interface

User-friendly HMI for easy operation and monitoring.
Real-time production data display and automatic daily report recording.
Fault alarms and diagnostic guidance for quick troubleshooting.

Technical Specifications of NC-6E Fully Automatic PET Stretch Blow Molding Machine

Item	Specification
Maximum Bottle Capacity	700 ml (6 cavities); 1500 ml (3 cavities)
Maximum Bottle Diameter	68 mm (6 cavities); 110 mm (3 cavities)
Neck Diameter	Φ18–30 mm
Maximum Bottle Height	< 350 mm
Maximum Preform Height	< 150 mm
Clamping Stroke	130 mm
Bottom Die Stroke	50 mm
Bottle Pitch	76.2 mm (6 cavities); 152.4 mm (3 cavities)
Maximum Output Rate (BPH)	9,000 BPH (0.5 L); 3,600 BPH (1.5 L)
Number of Molds	6 , 3
Number of Heating Modules	4
Number of Heating Lamps	8
Number of Preform Bases	108
Voltage	220/380 V
Frequency	50/60 Hz
Installation Power	70 kW
Service Power	40–70%
Low Pressure	1 MPa
Low Pressure Air Consumption	2 m³/min
High Pressure	3.5 MPa
High Pressure Air Consumption	6 m³/min (9,000 BPH, 0.5 L bottle)
Cool Water Temperature (<18°C)	Pressure: 2–4 bar / Flow: 3.6 m³/h
Cooling Water Temperature (<30°C)	Pressure: 2–4 bar / Flow: 6 m³/h
Weight (G.W.)	Around 7,000 kg
Main Machine Dimensions (L × W × H)	4500 × 2400 × 2500 mm
Preform Unscrambler Dimensions (L × W × H)	2800 × 2800 × 3000 mm

Application of Fully Automatic PET Stretch Blow Molding Machine

The automatic pet bottle blowing machine is widely used for producing:

Drinking water bottles (100ml – 2L)
Juice and tea PET bottles
Carbonated drink bottles
Edible oil bottles
Detergent and disinfectant bottles
Cosmetic and daily chemical bottles

Related Products of Fully Automatic PET Bottle Blowing Machine

Air compressor system
High-pressure air tank
Water chiller
Mold customization for different bottle designs
Conveyor connection to filling machine

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Company Profile

Why Choose Nancheng As Your Blow Molding Machine Manufacturer

WHY NANCHENG MACHINEY AS YOUR SMALL WATER BOTTLING MACHINE MANUFACTURER

ZHANGJIAGANG CITY NAN CHENG MACHINERY CO., LTD is a professional manufacturer engaged in the research, development, production, sale and service. We are specialized in water bottling machine production line, juice filling production line, carbonated drinks production line, 5 gallon bottle filling production line and all other auxiliary equipments.We are located in ZHANGJIAGANG CITY near SHANGHAI with beautiful scenery and convenient transportation access. Dedicated to strict quality control and thoughtful customer service, our experienced staff members are always available to discuss your requirements and ensure full customer satisfaction. We have obtained CE, SGS, TUV certificates etc. Selling well in all cities and provinces around China, our products are also exported to clients in such countries and regions as Eastern Europe, Southeast Asia, Africa, Eastern Asia, South Asia etc. We hope to have development with people from all over the world and establish a long-term and steady business relation.Every year we will attend the exhibition, like Russia, Malaysia, Dubai, Mexico, Venezuela, Saudi Arabia and Algeria and etc, that time we always visit some local old customers and we are sure that we can offer more and better services than other supplier.We trust good service, good quality and good price and we will make unremitting efforts to provide customers with satisfied products and service. If you have any need of beverage machinery, welcome to contact with us. Hope to have opportunities to cooperate with you.

We Supply Your Factory Design Service

We Supply Your Bottle Design Service

FAQ

FAQ of Fully Automatic PET Stretch Blow Molding Machine

1. What types of bottles can this machine produce?

It can produce PET bottles of various shapes and capacities, including mineral water bottles, carbonated drink bottles, juice bottles, edible oil bottles, cosmetic bottles, pesticide bottles, wide-mouth jars, and hot-fill bottles.

2. What materials are suitable for stretch blow molding?

The machine is designed specifically for PET (Polyethylene Terephthalate) preforms.

3. What is the production capacity?

Production speed varies by model. Fully automatic machines typically range from 2,000 to 18,000 bottles per hour, depending on bottle size, cavity number, and machine configuration.

4. How many people are required to operate the machine?

With the automatic preform loader and finished bottle conveyor, only one operator is typically needed to monitor machine performance.

5. What is the required air pressure for the machine?

A combination of low-pressure air for mechanical actions and high-pressure air for bottle blowing is required. Exact values differ by model but usually range from 0.8 MPa (low pressure) to 3.0–4.0 MPa (high pressure).

6. What utilities are needed to run the machine?

Compressed air system (LP and HP)
Water chiller for cooling
Stable power supply
Air dryer and filters to ensure clean, dry air

7. How long does it take to change a mold?

Thanks to the drawer-type mold design, mold changing can be completed in 30–60 minutes (for same-neck-diameter bottles).

8. Does the machine support different bottle designs?

Yes. With servo-controlled stretching and adjustable heating, the machine can handle various shapes, including round, square, oval, wide-mouth, and special custom designs.

9. Is the heating system adjustable?

Yes. Each infrared lamp and heating zone can be individually controlled to ensure perfect preform temperature and energy efficiency.

10. What safety features does the machine include?

The equipment includes:

Automatic mechanical safety locking
Emergency stop functions
Photoelectric sensors for preform loading
Fault alarms and self-diagnosis through the HMI

11. What is the blowing process?

The process includes:

Preform loading
Preform heating
Stretching
High-pressure blowing
Bottle cooling
Bottle discharge

12. How is the machine controlled?

The machine uses an advanced PLC + HMI touchscreen system for easy operation, real-time monitoring, and automatic data recording.

13. What is the warranty period?

Typically 1 year warranty, excluding wearing parts. Lifetime technical support is provided.

14. What maintenance is required?

Regular maintenance includes:

Lubricating moving parts
Checking air filters and dryers
Inspecting infrared lamps
Cleaning blowing valves and stretching rods
Monitoring the cooling system

15. Can the machine work with different neck sizes?

Yes. Changing the neck size requires a different blow mold set and some adjustments, but the machine can be customized to support multiple neck standards.

16. Does the machine support hot-fill bottle production?

Yes, with proper mold design and preform heating settings, the machine can produce hot-fill PET bottles.

17. What is the power consumption?

Power usage depends on model size and heating configuration, but modern machines have energy-efficient ovens and servo systems to minimize consumption.

18. Do you provide installation and training?

Yes. Engineers can be dispatched for on-site installation, commissioning, and operator training.

19. Can the machine be integrated with a complete bottling line?

Absolutely. The blow molding machine can be connected with:

Air conveyors
Filling machines
Labeling machines
Packing machines

20. How long is the delivery time?

Usually 30–60 days, depending on model and customization requirements.

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