Precautions And Safety Standards For Adjusting The Inflation Ratio Of The Blown Film Machine

1. Safety of operation
Before making adjustments, stop the machine and release the pressure in the tube to avoid burning hot components (mold temperature >180°C).
Wear thermal gloves, goggles and dust masks.
2. Maintenance of equipment
Check the die and air ring pipes weekly for blockage and to remove buildup.
Monthly verification of temperature sensor accuracy (error less than1°C).
3. Recordkeeping and traceability
Establish a process parameter archive (including temperature, wind volume, etc.) and use the Environmental and the MES system for real-time data collection and historical review.
Conclusions and outlook
Core Conclusions
The BUR requires dynamic matching with material properties and process parameters. Optimal value should be determined through small-scale testing and data-driven optimization. Regular monitoring (e.g. daily testing of thickness and tensile strength) and adjustment are key to maintaining consistency of film quality.
Future trends
Smart: Membrane blowers integrated with AI algorithms can automatically adjust BUR, for example, based on real-time thickness feedback.
Sustainable materials: Biodegradable resins (e.g. PLA) require a lower BUR (<2.5) to avoid thermal degradation, which presents new challenges to process control.
Note: In practical applications, diagrams (e.g., BUR-tensile strength curves), operational flowcharts (e.g., adjustment step breakdown) and equipment schematics (e.g., air ring structure) can be used to further improve the visualization and operability of content.