How To Choose AB Blown Film Machine For Better Output

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For stable, high-volume, low-scrap, and consistently high-quality film production, the right AB blown film machine depends on five core factors: optimized screw and barrel design, efficient cooling systems, precision dies, intelligent control, and a configuration tailored to your material and production targets. A factory using a properly matched AB-type co-extrusion blown film production line can increase output by 22% to 35% and reduce energy consumption by 15% to 18% compared to poorly chosen equipment.

Start with Production Targets and Material Matching

Many buyers pay excessive prices for overcapacity or choose underpowered machines that create production bottlenecks. Your selection must begin with your actual daily/hourly output and raw material type.

AB blown film machine are designed for two-layer co-extrusion and are ideal for LDPE, LLDPE, HDPE, and recycled blends. Industry testing data shows that a properly sized AB blown film line delivers 15% to 25% more output than a single-layer machine while reducing material usage by 10% to 15%.

DEXIANG provides free material testing and output simulation before purchase, so you know exactly what production rate to expect. We’ve run head-to-head trials: our high-output AB blown film machine reaches 80–160 kg/h based on model, with thickness stability within ±0.003 mm.

Screw and barrel design are the true "engines" of output

Output isn't just about speed, but about a stable plasticizing process. The screw and barrel determine melt quality, output, and long-term reliability.

Look for:

Using nitrided alloy steel of grade 38CrMoAlA
A length-to-diameter ratio (L/D) of 28–30:1 for balanced plasticizing
Customized mixing sections available to your raw materials

Field testing shows that upgrading to DEXIANG's high-efficiency screws increased factory output by 19% and reduced defect rates by 12%. Cheap, generic screws lead to uneven melting, bubble formation, and frequent downtime.

Cooling System and Die Head – Controlling Speed Without Sacrificing Quality

Even the fastest production line is useless if the cooling system can't keep up. The cooling system directly limits the maximum stable speed.

Top-of-the-line high-performance AB blown film machines utilize:

Dual air ring or IBC internal cooling
360° uniform airflow
Rapid and stable film bubble formation

The die head is also crucial. A spiral mandrel die head ensures uniform material distribution, preventing uneven film thickness, thus avoiding film waste and reduced production efficiency.

DEXIANG's rotary die head + high-speed cooling combination increases production line speed by 15-20% while maintaining flat, wrinkle-free rolls.

Intelligent Control System – Reduce Labor, Lift Consistency

Modern buyers not only pursue quantity, but also stable quantity and lower labor costs.

Key smart features:

PLC touchscreen with one-key parameter storage
Automatic tension control
Real-time thickness monitoring
Fault self-diagnosis

User feedback from 17 packaging factories shows intelligent AB blown film machines cut manual adjustment time by 40% and improve roll uniformity by 30%.