Key Points for ABA Blown‑Film Machine Procurement

When purchasing ABA blown‑film machines, evaluate product positioning, production scale and long‑term operation requirements from core performance, structural quality, automation configuration, supplier service and life‑cycle cost. This avoids poor compatibility, high failure rates and cost overruns. Key considerations are as follows:

First, match core parameters with actual production. Film width shall fit finished‑product dimensions: 100‑150 cm for small food packaging films, 180‑220 cm for large courier bags. Excessive width wastes space and capacity; insufficient width fails large‑order demands. For food‑grade films, thickness tolerance shall be ≤±5%. Verify on‑line thickness‑measurement feedback for real‑time die‑gap adjustment to prevent defective sealing and insufficient tensile strength. Select extrusion output (kg/h) according to daily output. Confirm compatibility with PE, PO, EVA and filled modified materials such as calcium‑carbonate fillers, which can cut raw‑material costs by around 30%. Recycled‑material compatibility further reduces waste loss.

Second, check quality and material of core components. As the heart of three‑layer co‑extrusion, the die shall adopt optimized dead‑zone‑free flow‑path design, nitrided 38CrMoAl alloy steel (hardness ≥HRC60) and independent zoned temperature control (±1 ℃ accuracy) to eliminate streaks and crystal spots. Bimetallic alloy screw and barrel are preferred; barrier‑type screws improve plasticizing efficiency and save energy for filled materials. Mirror‑polished chromium‑plated cooling and pull‑off rolls (hardness ≥HV800) deliver scratch‑free film surfaces. Cooling‑roll temperature accuracy determines film transparency and tensile property.

Third, assess automation configuration for productivity. Automatic roll‑changing cuts change‑over time from manual 5‑8 minutes to 30 seconds for mass‑volume production. Recipe‑storage control system saves parameters of die temperature, screw speed and haul‑off speed, reducing setup time by about 20% during product switching. On‑line defect inspection detects pinholes, impurities and thickness deviation to reject defective products and lower rework costs. Confirm exhaust‑gas collection units for VOC compliance to avoid environmental risks.

Fourth, review supplier competence and after‑sales support. Prioritize manufacturers with over 10‑year R&D experience. Request field references and check CE, ISO9001 certifications. Core components (screw, die) shall carry at least 1‑year warranty. Local spare‑part warehouses ensure 24‑hour service response. Free operation & maintenance training plus lifetime technical support mitigate production downtime.

Fifth, calculate total life‑cycle cost beyond purchase price. High‑efficiency motors save 15‑20% power consumption. Evaluate service life and price of wearing parts. High‑output models reduce unit production cost. Confirm machine footprint and height to avoid plant reconstruction.

In conclusion, purchase ABA blown‑film machines based on real‑world demands. Balance performance, quality, service and cost‑effectiveness to support long‑term business growth.

Shandong hosts numerous plastic‑packaging manufacturers with diversified requirements for film specifications and throughput. We supply ABA three‑layer co‑extrusion blown‑film machines, two‑layer LDPE‑HDPE blown‑film units and biodegradable‑film blown‑film lines for plastic bags, packaging films and degradable‑film production.