Normally, on the market, if a certain product needs to be packed in a barrier layer co-extrusion bottle, it is high likely a food, or cosmetic, or pharmacy. As all we know, both food or cosmetic or pharmacy products are consumption product during our daily life. as a consumption product during our daily life, it is in large quantity.
In large-quantity bottle production, especially using extrusion blow molding machines, having more than four heads (or cavities) is advantageous because it significantly boosts manufacturing efficiency and productivity. Here’s the reason:
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Higher Production Rate: Multiple heads (or cavities) allow simultaneous production of several bottles in a single cycle. The more heads the machine has, the more bottles it can produce at once, increasing overall output.
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Economies of Scale: Producing a large quantity of bottles efficiently reduces per-unit production costs. More heads mean higher volume in less time, leading to cost savings in labor, energy, and materials.
Food product with 6 layer co-extrusion EVOH barrier layer bottle
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Time Efficiency: Multiple heads reduce the cycle time needed to produce a specific number of bottles. This means faster turnaround times and quicker fulfillment of large orders.
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Consistent Quality: Using a single machine with multiple heads ensures uniformity in bottle dimensions and quality, which is crucial for large-scale production.
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Better Utilization of Equipment: Larger multi-head machines maximize the utilization of capital equipment, making the production process more cost-effective and efficient.
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Meeting Market Demand: For large-scale production demands, such as packaging for beverages, cosmetics, or pharmaceuticals, having a machine with more than four heads ensures the capacity to meet high-volume orders promptly.
In summary, employing an extrusion blow molding machine with more than four heads (preferably as many as feasible) allows for higher output, cost efficiency, and the ability to meet large market demands effectively.
In a barrier layer co-extrusion blow molding machine, having an adjustment screw on each entrance of each layer offers several important advantages that enhance the production process and the quality of the final bottles. Here’s why it’s better:
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Precise Control of Layer Thickness: The adjustment screws allow operators to fine-tune the amount of material flowing into each layer. This precise control ensures that each layer, especially the barrier layer, has the correct thickness for optimal performance.
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There is always deviation on the extrusion die head whatever it is made by which accuracy CNC machine. So the thickness always be a bit deviated.
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If the thickness deviation is out of quality level, then we have to abandon the whole die head. But it is sill available if there is an adjustment screw on each entrance of each layer.
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Enhanced Layer Uniformity: By adjusting each screw individually, manufacturers can achieve uniform distribution and consistent thickness across all layers, which is crucial for maintaining barrier properties and overall bottle quality.
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Optimized Material Usage: Fine-tuning flow rates helps in minimizing material wastage. It allows the use of the minimum necessary barrier material without compromising quality, reducing costs.
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Flexibility in Material Composition: Different products may require different barrier properties. Adjustment screws enable quick modifications in layer proportions to meet specific requirements without changing the entire setup.
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Improved Barrier Performance: Properly controlled layer thickness ensures that the barrier layer functions effectively, providing better protection against gases, moisture, or other external factors.
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Process Stability and Reliability: Individual adjustments help in maintaining stable extrusion conditions for each layer, reducing defects such as uneven layers, delamination, or weak spots.
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Ease of Troubleshooting: If issues arise with a specific layer, operators can quickly adjust the corresponding screw to correct flow problems without affecting other layers.
In summary, having an adjustment screw on each entrance of each layer provides precise, flexible, and reliable control over the multilayer extrusion process, leading to higher quality barrier bottles, cost savings, and better customization for different product needs.
We asked 100 our customers who are trending to buy this barrier layer co-extrusion blow molding machine. 50 customers want it is 5 layer co-extrusion blow molding machine with 4 heads, 22 customers want it is 6 layer co-extrusion blow molding machine and it is with 8 head, 25 customers want it is 4 layer co-extrusion blow molding machine with 6 heads. there are at least 30 customers want it with an adjustment screw on each entrance of each layer among them.
