At Ever Power, we specialize in advanced molding solutions. The demand for premium, heavy-wall PET jars—especially in the cosmetic and skincare industries—requires technology that guarantees exceptional clarity, precision, and material distribution. Our jednostopniowa maszyna do formowania wtryskowego z rozciąganiem i rozdmuchiwaniem is specifically engineered to meet these high standards, offering a seamless, efficient, and highly stable production process.

What is One-Step ISBM Technology?

One-step injection stretch blow molding is a highly efficient plastic container forming process. It integrates injection molding, stretching, and blow molding into a single, continuous operation within one machine. Unlike two-step processes, it eliminates the need to cool, store, and reheat preforms, which drastically improves production efficiency and product stability. This technology is widely used for high-precision, high-demand hollow plastic products made from materials like PET, PP, PC, PETG, Tritan, and PLA.

ISBM machine Finished bottle Display

The One-Step Manufacturing Process Flow

Our integrated machines handle the entire container creation process smoothly:

  • 1. Wstrzyknięcie: Molten resin is injected into a mold to create the high-precision preform.
  • 2. Preform Tail Cutting/Heat Preservation: The preform’s tail is trimmed, or its latent heat is managed to optimize the temperature profile for blowing.
  • 3. Stretch Blow Molding: The warm preform is simultaneously stretched axially by a rod and blown radially by high-pressure air into the final shape.
  • 4. Napój butelkowany na wynos: The finished, cooled container is automatically ejected from the machine.

Core Advantages of Ever Power One-Step Machines

Wysoka wydajność i oszczędność energii

By utilizing the residual heat from the injection molding step, our machines eliminate the need for a secondary reheating process. This results in an energy efficient one step blow molding machine solution that reduces power consumption by approximately 40%.

Superior Product Performance

The biaxial stretching process aligns polymer molecules, significantly enhancing the final container’s compressive strength, barrier properties, and optical clarity. This is crucial for premium thick-walled PET jars.

Wysoka precyzja i stabilność

Fully automated control across the entire process minimizes human error, ensuring consistent product dimensions and high stability, ideal for large-scale production runs.

Optimal Material Utilization

The precise preform molding ensures minimal waste, making the process both environmentally friendly and cost-effective.

Competitive Comparison: Technical Specifications

How do Ever Power machines compare to standard general-purpose models from Japan, Europe, and the US? We focus on optimizing stability, footprint, and energy consumption while maintaining highly competitive pricing.

Parametr Ever Power One-Step Machine Standard Japan/EU/US Models
Molding Process Fully Integrated 3 or 4 Station ISBM Integrated ISBM (Various Stations)
Zużycie energii Low (approx. 40% saving vs. 2-step) Moderate to Low
Product Stability Very High (Optimized for Thick Walls) High
Footprint Compact, Space-Saving Design Moderate to Large
Investment Cost Highly Competitive / Affordable High
Labor Cost Low (Fully Automated) Low (Fully Automated)
Key Component Patented Injection Screw Design Standard High-Precision Screw

Inside the Technology: Equipment Composition

Our single stage injection stretch blow molding machine consists of five core systems, each incorporating advanced technology for optimal performance.

1. Układ wtryskowy

Utilizing a high-precision servo-driven injection unit, this system ensures uniform plastic melt plasticization. Crucially, we emphasize our patented screw and barrel design, specifically engineered for optimal mixing and consistency required for thick-walled applications. This ensures perfect preform quality.

Patented ISBM Machine Screw
  • High-precision temperature control (accuracy ±1℃).
  • Servo-driven unit for fast response and high repeatability.
  • Preform wall thickness control through axial or radial adjustments.

2. Heating System (Heat Preservation)

Our system manages preform temperature precisely using heating rings, water, or oil, monitored by real-time sensors.

  • Zoned heating control for independent temperature adjustment along the preform.
  • Non-contact temperature measurement to prevent surface damage.
  • Adaptive heating power adjustment based on production speed.

3. Stretching & Blowing System

This system utilizes stretch rods, blow pins, and a high-pressure air source for biaxial orientation.

  • Advanced stretching mechanism (speeds up to 400mm/s, positional accuracy ±0.1mm).
  • Independent pressure regulating valves ensure high-pressure air stability (fluctuations within ±0.05MPa).
  • Synchronized stretching and blowing control technology.

4. System form

The mold system, including preform, blow molds, and cooling, typically uses a rotary multi-station structure. Below are examples of our configurations.

Struktura formy maszyny ISBM 3-stanowiskowejStruktura formy 3-stanowiskowej: This configuration is highly efficient for standard bottle and jar production, balancing speed with compact design.

Struktura formy maszyny ISBM 4-stanowiskowejStruktura formy 4-stanowiskowej: The additional station allows for enhanced preform conditioning, crucial for achieving perfect clarity in very thick-walled jars.

  • High-precision mold processing (cavity surface roughness Ra≤0.8μm).
  • Optimized cooling channels reduce cooling time by 30%.
  • Rapid mold change technology (≤60 minutes).
Szczegóły okablowania maszyny 1
Szczegóły okablowania maszyny 2
Szczegóły okablowania maszyny 3

Above: Precise internal wiring and construction details reflecting our build quality.

We Also Provide Custom ISBM Molds

In addition to complete machines, Ever Power supplies precision-engineered molds tailored to your specific container designs.

One-step Injection Stretch Blowing Mould

5. System sterowania

Our independent control system centers production management and parameter optimization.

  • Multi-axis motion control for precise synchronization of stations.
  • Adaptive process parameter optimization based on real-time production data.
  • Remote monitoring and fault diagnosis systems.

Material Applications and Versatile Product Types

Ten one step blow molding machine from Ever Power is exceptionally versatile. It serves perfectly as a sprzęt do formowania rozdmuchowego w jednym kroku do opakowań kosmetycznych, especially for premium thick-walled jars. Additionally, its precision makes it the najlepsza jednoetapowa maszyna do formowania rozdmuchowego butelek dla niemowląt utilizing high-grade PC or Tritan.

Compatible Materials:

  • ZWIERZAK DOMOWY: Beverage bottles, food jars. High clarity, good barrier.
  • PP: Heat-resistant containers (e.g., hot-fill juice).
  • PETG: High-end cosmetics (shampoo, lotions, mascara, lip gloss, thick-walled products). Excellent clarity, chemical resistance, and toughness.
  • PC: Baby bottles, sport cups. High strength and heat resistance.

Example Products:

  • Round or shaped beverage bottles (5ml to 20L).
  • Pharmaceutical packaging (pill bottles, oral liquid).
  • Food containers (edible oil, condiment bottles).
  • Personal care and cosmetic containers.
Finished ISBM Bottle and Jar Display

Complete Solutions: Matched Blowing Air Compressors

A crucial but often overlooked component of a successful one-step blowing line is the high-pressure air supply. The stretch blow molding stage requires extremely clean, oil-free, high-pressure air to accurately form the container against the mold cavity, especially when defining the crisp details and smooth surfaces of thick-walled jars.

Ever Power provides fully compatible, high-performance blowing air compressor products alongside our ISBM machines. Our oil-free screw air compressors are specifically matched to the air consumption and pressure requirements of our blowing systems. By sourcing your machine and compressor from a single supplier, you ensure perfect system integration, maximize reliability, and simplify maintenance, guaranteeing that your air supply perfectly supports your production efficiency.

Oil-Free Screw Air Compressor for ISBM Machine

Customer Testimonials

Hear what our global manufacturing partners have to say about Ever Power:

“We needed a highly stable machine for a new line of heavy-wall cosmetic PETG jars. Ever Power’s one-step machine with the 4-station structure provided excellent preform temperature control, resulting in crystal-clear jars with perfect material distribution. Their patented screw design makes a noticeable difference in melt quality.”

Production Manager, Premium Skincare Manufacturer (France)

“The footprint of the Ever Power machine is remarkably compact compared to our older Japanese models. It allowed us to expand capacity in our existing facility without costly building extensions. The energy savings are also significant. A very cost-effective investment for our high-volume water bottle production.”

Operations Director, Beverage Packaging Company (Thailand)

“Sourcing both the ISBM machine and the matched oil-free air compressor from Ever Power simplified our entire installation process. The system works seamlessly together, and the air quality is pristine, ensuring our pharmaceutical bottles meet all strict hygiene standards.”

Technical Lead, Pharmaceutical Packaging Provider (India)

Często zadawane pytania (FAQ)

Q1: What is the typical cycle time for a heavy-wall PET jar on your one-step machine?

A1: Cycle times vary based on wall thickness and product complexity, but typically range from 15 to 30 seconds. For very thick premium jars, our 4-station machines can offer optimized cooling to keep cycle times highly competitive without sacrificing clarity.

Q2: Can I produce both bottles and jars on the same machine?

A2: Yes, provided they are within the machine’s specification range (maximum volume, neck diameter). You simply need to switch to the corresponding mold sets for each product shape.

Q3: How difficult is it to switch materials (e.g., from PET to PP)?

A3: The machine handles different materials efficiently. Switching requires thorough purging of the injection system and adjusting the screw parameters and temperature profiles. Our smart control system allows you to easily save and load these specific material parameter sets.

Q4: What kind of technical support and training do you provide for installation?

A4: We offer comprehensive support including on-site installation by our expert engineers, detailed operator training covering daily operation and maintenance, and ongoing remote technical assistance to ensure smooth operation from day one.

Q5: Are replacement parts readily available?

A5: Yes, we maintain a robust stock of key wear parts and components to minimize any potential downtime. We ship parts quickly to our global customers to ensure continuous production.

High Quality PET Jars