12 Questions Answered About ONE-STEP INJECTION ...

12 Questions Answered About ONE-STEP INJECTION STRETCH BLOW MOULDER

Upon researching the topic of ONE-STEP INJECTION, we discovered various insights highlighting its increasing importance in the beverage industry. Many industry experts emphasize the advantages of the one-step process in achieving high-quality, efficient production with reduced energy consumption and enhanced product integrity.

Last updated December 24,

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The Difference Between One-Step Injection Stretch Blowing And Two-Step Moulding And Their Respective Characteristics

In contrast to the two-step method, the one-step process is completed within a single piece of machinery, moving from raw materials to finished products in one seamless operation.

This method presents a simpler production process, with one-time moulding, strong controllability, accurate bottle mouth measurements, and a notable reduction in energy consumption due to the lack of need for secondary heating.

While the two-step method requires injecting a preform before the secondary processing in a blow moulder, this process can occur either on the same line or through separate setups.

What Kind Of Applications Are Suitable For The One-Step Method And The Two-Step Method:

The one-step method is particularly effective for producing medium to small batch items and products needing stringent hygiene standards. It shines with special-shaped and thick-walled bottles.

On the other hand, the two-step approach is characterized by high-speed equipment that excels in mass production of water bottles and beverages.

Features Of One-Step Injection Blow Moulder Equipment:

The equipment for one-step blow moulding typically includes three-station setups, like those from AOKI, allowing for preform injection, temperature adjustments, and product removal in succession.

Alternately, four-station equipment such as Nova's, adds a cooling station, while ASB equipment incorporates a heating station.

The Materials Suitable For One-Step Blow Moulding Are

Materials such as PET, PP, and various other resins are ideal for the one-step blow moulding process. The choice of material is crucial and should account for factors like stretch ratios and intended applications.

Different materials yield different barrier properties for bottles, significantly affecting performance based on the material’s characteristics.

How Long Does The One-Step Blow Moulder Production Take

The timeline for production, particularly for mould creation, generally falls between 65 to 85 days, necessitating consideration for adjustment periods.

What Is The Extreme Thickness Of The Bottle Processed By The One-Step Method?

The minimum and maximum wall thicknesses for PET materials within this method are approximately 0.1mm and 1.2mm respectively, with some materials allowing for up to 2mm thickness in specific cases.

When Designing The Preform, Is There Any Method Or Software That Can Simulate The Wall Thickness Distribution And Resistance To Pressure And Thermal Deformation Of The Bottle After Blowing? What Is The Approximate Accuracy?

CAE software is commonly utilized for simulating bottle designs, providing valuable insights into material behavior under various conditions. Accurate parameters are vital for reliable results.

The Aoki Aoki Machine Should Rely More On Preform Cooling In Different Positions. Can You Share This Aspect?

In the AOKI process, bottle formation leverages the residual heat of the preforms. Cooling strategies involve adjusting the cooling based on wall thickness and may include special techniques for certain designs.

What Process Does The Hot Filling Bottle Need To Achieve?

Hot-fill bottles generally require crystallization treatment at the mouth and specific rib structural designs to withstand heat, complicating the one-step process slightly compared to the two-step method.

The Benefits Of Reheating During The Moulding Process Are:

This technique enhances materials' heat resistance and rigidity, optimizing product performance.

The Inner Wall Of Some PET Bottles Has Relatively High Tension, And The Contents Are Prone To Wall Hanging. Is There Any Way To Solve It?

Currently, special coatings are emerging as a potential solution, particularly within the food industry, though challenges like cost and production integration remain ongoing concerns.

The Bottles Are Prone To Deformation When Transported Over Long Distances In The Summer. What Should I Pay Attention To?

It's noteworthy that PET bottles may begin to deform at temperatures exceeding 60 degrees. Should the shape of the bottle not allow changes, packaging adaptations may be necessary to prevent damage during transport.

If you want to learn more, please visit our website PE Foam Recycling Machine.