
Injection Stretch Blow Molding Machine vs. Traditional Manufacturing Methods
When comparing the Injection Stretch Blow Molding Machine with traditional manufacturing methods, several significant differences become apparent, highlighting the advantages of the ISBM technology.
Traditional manufacturing methods, such as separate injection molding followed by blow molding or extrusion blow molding, often involve multiple steps and complex procedures. Each step requires its own set of equipment, labor, and energy consumption. In contrast, the ISBM machine combines injection, stretching, and blow molding into a single, integrated process. This one - step approach simplifies the manufacturing operation, reduces the need for multiple machine setups, and shortens the overall production time.
In terms of product quality, traditional methods often struggle to achieve the same level of precision and consistency as the ISBM machine. For example, in traditional extrusion blow molding, it can be challenging to control the wall thickness of the products uniformly. This can result in products with thick and thin spots, which may affect their performance and durability. The ISBM process, on the other hand, offers precise control over the material flow during stretching and blowing, ensuring a more uniform wall thickness and better overall product quality.
The energy consumption of traditional manufacturing methods is typically higher than that of the ISBM machine. In traditional setups, the plastic material needs to be heated multiple times, first for injection and then for subsequent blowing operations. This repeated heating consumes a significant amount of energy. The ISBM machine, with its optimized one - step process and advanced temperature control systems, reduces energy consumption by heating the plastic only once and efficiently using the residual heat during the stretching and blowing stages.
The versatility of the ISBM machine also sets it apart from traditional methods. The ISBM machine can produce a wide range of products with different shapes, sizes, and wall thicknesses. It can easily accommodate changes in product design by simply changing the molds. Traditional manufacturing methods may require more significant modifications to the equipment or additional processing steps to achieve the same level of product variety.
Another advantage of the ISBM machine is its ability to use recycled materials more effectively. Traditional methods may have limitations in processing recycled plastics due to issues such as inconsistent quality and difficulty in material flow. The ISBM machine, with its precise control over the injection and blowing processes, can handle a wider range of recycled materials and produce high - quality products from them.
In conclusion, the Injection Stretch Blow Molding Machine offers significant advantages over traditional manufacturing methods in terms of process simplicity, product quality, energy - efficiency, versatility, and the ability to use recycled materials. As the manufacturing industry continues to evolve, the ISBM technology is likely to become an increasingly dominant force in plastic product manufacturing.

Injection Part |
Screw Diameter |
40mm |
Screw L/D Ratio |
20.5:1 |
Screw Speed |
0-190RPM |
Theoretical Injection Capacity |
238cm3 |
Injection Pressure |
174Mpa |
Max. Hydraulic Pressure |
|
The Actual Injection Quantity(PS): |
|
Screw Stroke: |
|
Clamping Part |
Blow Clamping Force: |
800 |
Clamp Tonnage: |
400Kn |
Wheel Diameter: |
800mm |
Max. Height of Bottle: |
ISB: 145 / one: 140 |
Open Vertical Mode Trip: |
430mm |
Others |
Max. Pump Pressure: |
16Mpa |
Motor Oil: |
18.5Kw |
Electric Power: |
12.2Kw |
Oil Tank: |
400L |
Overall Dimension(L*W*H): |
3.8M * 1.45M * 3.0m |
Weight: |
5000kg |



ISB800 |
PC, PS,PMMA lamp cover, LED light lampshade,Christmas flash light, garden and street light. |
PET high transparent bottle(thinner wall), cosmetic bottle 10ml to 500ml, PET wide neck jar, PET pharmaceutical bottle. |
PP high transparent bottle, baby feeding bottle, sport bottle |
PCTG, Tritan drinking water bottle, sport bottle |
Single step VS Two-step Single step and two-step
Molding |
Process |
Structure |
Manpower/Energy/Space |
Product Quality |
Dawson One-step Injection Stretch Blow Molding Machine |
From preform to product in one machine |
One machine |
Little |
Not affect by damp and less pollution; Various kinds of shape |
Other machine |
Injection and blow molding are two separated process |
1.Injection molding machine 2.Preform transiting machine 3.Reheating, stretch and off-moulding machine |
More |
Easy affect by damp and polluted; Singleness shape |




1. The wheel rotation is driven by electrical servo motor, not hydraulic.
2. Full automatic controlling system, easy operating.
3. The temperature of material barrel and hot runner is controlled accurately by PIT.
4. More cost is saved than traditional machine.
5. Compact structure; less space needed.
6. Injection: Hot runner and temperature control device are standard configuration.
Only change mold for making a new product;
Stretch Blow: Hydraulic mold clamping, core insert, stretch blow and bottom molding are standard configuration;
Product Release: Equipped with a standard ejector.
ZOE PACK
located in Zhangjiagang city, have more than 18 years' experience in the field of plastic machinery, injection molding machine, blow molding machine, PET blow molding machine, injection blow molding machine, during the past 18 years, we always force our energy into new areas of plastic machinery, plastic packaging machinery, to update the technology, to learn advanced experience,to confirm new theory and new design, we are forming a unique competitive advantage of our owns.The machines from our company carry good quality and effective after-sales service, upon the market,
customers from more than 45 countries, we provide complete solution for your plastic industry business, as well as all sorts of technical support & after-sale services!
ZOE PACK will be your reliable friend in China, and we will always do our best to give you max support!