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EP-HGY250-V4 injection stretch blow molding machine | 4 station

The EP-HGY250-V4 Injection Stretch Blow Moulding Machine (compatible with Japanese ASB – 70DPH model) is a state-of-the-art Injection Stretch Blow Molding machine designed for the high-precision manufacturing of high-end plastic containers. This four-station architecture is specifically engineered to eliminate the need for preform cooling and secondary reheating, which is the hallmark of the efficient injection stretch blow molding process. By maintaining the residual heat from the initial injection phase, this machine achieves remarkable energy savings of up to 40% compared to traditional two-step systems. Its ability to produce containers with uniform wall thickness and flawless surface finishes makes it a favorite among global injection stretch blow molding machine manufacturers. Whether you are producing wide-mouth food jars or intricate pharmaceutical bottles, the EP-HGY250-V4 offers the stability and precision required for 24/7 production environments.

1. Technical Specifications (EP-HGY250-V4)

Item Unit One-step Injection Stretch Blow Moulding Machine (4-station)
Machine Name One-step Injection Stretch Blow Moulding Machine (4-station)
Model HGY250-V4 (Compatible with ASB-70DPH moulds)
Manufacturer HENGGANG
Material PET/PETG
Screw Diameter MM 50 55 60 /
Theoretical Injection Volume CM³ 340 420 480 /
Screw Rotational Speed (RPM) r/min 180 150 150 ~ 220 /
Injection Clamping Force KN 300
Blowing Clamping Force KN 200
Motor Power KW 67.7
Heating Power KW 15
Blowing Air Pressure Mpa 2.0-3.5
Cooling Water Pressure Mpa 0.4-0.6
Machine Oil Cooler Water Pressure Mpa 0.3-0.4
Machine Oil Cooler Water Temperature °C 20-25
Voltage V 370-400
Size (L*W*H) MM 6300x2400x3700
Weight T 16

*Compatibility Statement: Our EP-HGY250 - V4 model is compatible with the Japanese ASB - 70DPH model.

 

EP-HGY250-V4 Injection Stretch Blow Molding Machine Product Dimensions

Product Dimensions Unit Value
Product Quantity PCS 2 3 4 5 6 8 9 10 14
Bottle Diameter (BD) MM 200 160 120 80 60 45 40 40 30
Bottle Height (H) MM 220 180 100
Neck Diameter (E) MM 130 130 100 65 55 40 32 28 16
Max. Bottle Volume (ml) ML 2500 1500 900 750 350 200 100 50 30
Max. Bottle Weight (g) G 200 180 150 120 80 60 50 35 25

2. Material Versatility and Processing Capabilities of the Injection Stretch Blow Molding Machine

Technical Standard Machine Parameter
Using 3 sets of servo pump systems; Screw Diameter: 55mm (optional);
Inovance/WEICH servo motor power: 67.7KW; Theoretical Injection Capacity: 420g;
Using the Inovance/MIRLE PLC; Injection clamping force: 300KN;
The turntable is equipped with a Japan Yaskawa servo motor or a WEICH servo motor with a Taiwan TSUNTIEN reducer; Upper mold stroke: 640mm;
The blow molding structure adopts hydraulic cylinder or dual servo motor mold damping function with high-pressure compensation; Lower mold stroke: 350mm;
Using the American Parker high-pressure valve; TEMP. Regulating core stroke: 300mm;
Using the air tight air cylinder; TEMP. regulating barrel stroke: 300mm;
Using integrated control box to control temperature, which is highly accurate, stable, and easy to operate; alternatively, you can choose the system's built-in temperature control system; Take-out stroke: 190mm;
Using hydraulic pressure control valve of YUKEN from Taiwan/China; Blowing clamping force: 200KN (single side);
The screw is heated by a nano-infrared energy-saving heating ring(10KW); Blow core stroke: 300mm;
The injection unit is controlled by single cylinder. The melt motor may be controlled either hydraulically or by a servo motor; Blow mold stroke: 75+75mm;
Oil tube is made of imported material from Italy; Oil tank VOL: 600L;
Total power of the machine: 82.7KW. Size(L×W×H): 6.3×2.4×3.7m;
Weight: 16T.

 

3. Advanced Working Principle & Process

The core efficiency of the EP-HGY250-V4 Injection Stretch Blow Molding machine lies in its four-station rotational sequence. In the first station, the high-quality PET or PETG material is injected into a mold to form a precise preform with the final neck dimensions already established. Unlike the two-step blow moulding video demonstrations often seen, our one-step process moves the preform while it is still at an optimal temperature to the second station for temperature conditioning and optional tail cutting. This ensures that the molecular structure is perfectly primed for the third station: the stretch-blowing phase. Here, the preform is biaxially oriented using a stretch rod and high-pressure air, creating a container with superior barrier properties and transparency. Finally, the fourth station handles the automatic removal of the finished products. This closed-loop system significantly reduces the risk of contamination, making it a perfect replacement injection stretch blow moulding machine for facilities that currently rely on manual handling or separate injection and blowing equipment. The technological integration within this one-step injection stretch blow molding machine allows for a highly stable production environment with minimal scrap rates.

4. Materials Compatibility

The versatility of this Injection Stretch Blow Molding machine is defined by its ability to process a wide range of thermoplastic resins. Primarily optimized for PET (Polyethylene Terephthalate) and PETG (Glycol-modified PET), the machine ensures that these materials achieve their maximum potential in terms of clarity and impact resistance. The precision heating system and servo-driven controls allow for the fine-tuning of the injection stretch blow molding process to accommodate different resin grades, ensuring consistent production even with recycled content. Manufacturers can also explore applications with PP, PC, and Tritan, provided they utilize the appropriate injection stretch blow mold designs. The ability to handle these varied materials makes our system a suitable asb injection molding machine alternative for diverse industrial requirements.

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5. Injection Stretch Blow Moulding Machine Application Scenarios

Cosmetics & Personal Care

Perfect for manufacturing high-transparency lotion bottles, cream jars, and serum containers. The one-step process ensures a luxurious finish without scratches, ideal for the demanding aesthetic standards of the Colombian beauty industry.

Pharmaceutical Packaging

Produces eye drop bottles, pill jars, and liquid medicine containers under sterile conditions. The four-station design prevents contamination, providing high-precision neck finishes for secure child-resistant caps.

Food & Beverage Jars

Capable of blowing wide-mouth jars for honey, spices, and nut butters. The injection stretch blow molding products created are sturdy and provide excellent shelf-life protection for organic products exported from the region.

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6. About Us

As a professional Injection Stretch Blow Molding Machine manufacturers Our state-of-the-art facility integrates R&D, precision machining, and rigorous testing to ensure every machine meets international standards. By using top-tier components from brands like Yaskawa and Parker, we ensure longevity and reliability.
Developed specialized blow molding machines for the packaging of various materials (PET/PETG/PC/PCTG/PP), including cosmetics, water, oil, beverages, food, pharmaceuticals, and baby products. Especially in high-end cosmetics, food, and pharmaceutical specialized machines, we have consistently maintained a leading position in the industry.

Workshop

Factory Workshop View 1
Factory Workshop View 2
Factory Workshop View 3
Factory Workshop View 4

 

7. Engineer's Field Notes & Customer Reviews

"Implementing the EP-HGY250-V4 in our Bogotá facility has significantly improved our cycle times. As an engineer focusing on pharmaceutical containers, the precision of the injection stretch blow molding process on this machine is superior. We previously had issues with neck consistency using a separate injection blow moulding setup, but this integrated 4-station model resolved those tolerances immediately."

- Lead Production Engineer, Pharmaceutical Group (Colombia)

"The clarity of the PET bottles we produce for our cosmetic line is unmatched. We were looking for a high-quality asb injection molding machine alternative that could handle PETG without surface defects. After months of 24/7 operation, the machine remains stable and the energy efficiency is exactly as promised. The technical support provided by the suppliers has been exceptional."

- Senior Packaging Consultant, Cosmetics Brand (Medellín, Colombia)

8. Related Industrial Solutions

To ensure complete operational efficiency, we offer integrated mechanical systems. For instance, our high-precision Gearboxes are designed for maximum torque transmission in heavy-duty industrial applications. We emphasize system compatibility and a one-stop supply advantage to help our clients streamline their maintenance and procurement processes.

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Frequently Asked Questions (FAQ)

Q1: How can a one-step Injection Stretch Blow Molding machine cost less in the long run for my factory?

A1: By integrating the injection and blowing processes, you eliminate the cost of secondary reheating and reduce labor requirements significantly for your facility.

Q2: Can I see an injection stretch blow molding video to understand the station transition before I request a quote?

A2: Yes, we provide detailed operational videos showing the seamless 4-station movement to help your engineers evaluate the system performance and cycle times.

Q3: What makes this model a suitable replacement injection stretch blow moulding machine for older two-step production lines?

A3: The EP-HGY250-V4 offers a compact four-station footprint, significantly better energy efficiency, and a much lower scrap rate due to the integrated temperature control.

Q4: Why should I choose this injection stretch blow molding machine manufacturers team for my upcoming cosmetic packaging project?

A4: Our engineering team has decades of experience specifically in cosmetic bottle clarity and uniform wall thickness, which are critical for high-end luxury products.

Q5: How does the injection stretch blow molding process specifically improve the clarity of PET and PETG containers?

A5: The biaxial orientation during the stretch-blow phase aligns the polymer molecules, which increases the transparency and mechanical strength of the final plastic container.

Q6: When is it necessary to custom design an injection stretch blow mold for a new pharmaceutical product launch?

A6: Custom molds are essential when you need specific neck dimensions for child-resistant closures or unique bottle shapes that reflect your brand identity.

Q7: What is the average maintenance cycle for an asb injection molding machine equivalent in a high-output factory environment | HGY250 - V4(compatible with Japanese ASB - 70DPH model)?

A7: Our machines are built with high-quality components, requiring standard monthly inspections and a comprehensive service every 2000 hours to ensure peak operation.

Q8: How does the EP-HGY250-V4 handle the high-pressure air requirements for large-volume injection stretch blow molding products?

A8: The machine features a robust pneumatic system designed for 2.0-3.5 Mpa air pressure, ensuring that even large containers are blown with perfect detail.

Editor: PXY