Packaging Material Quality Sensing to Reduce Film Breaks
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Solution Overview
Problem
Film breaks in packaging material during wrapping processes are caused by unpredictable fluctuations in material quality, leading to machine downtime, increased tension adjustments, and compromised load containment, resulting in damaged loads or wasted material.
Innovation Solution
A method and apparatus that sense changes in packaging material characteristics associated with increased film break risks, adjusting wrap parameters to mitigate these risks, including sensing gel, holes, tension, and surface irregularities, and automatically modifying settings to optimize performance and reduce film breaks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If packaging material tension is lowered to reduce film breaks, then film break frequency decreases, but load containment force is compromised
Solution Approach 1:
The system dynamically adjusts packaging material tension based on real-time quality sensing. When defects are detected, tension is temporarily reduced to prevent film breaks; when quality is good, tension is maintained at optimal levels for load containment. This dynamic adjustment resolves the contradiction by making tension adaptive rather than static.
Solution Approach 2:
The system uses sensors to detect packaging material quality characteristics and feeds this information back to automatically adjust wrapping parameters. This closed-loop feedback mechanism allows the system to respond to actual material conditions, reducing film breaks only when necessary while maintaining optimal containment force otherwise.
2Strength
If additional layers of packaging material are added to maintain containment force, then load protection is improved, but packaging material waste increases
Solution Approach 1:
Instead of adding more material layers, the system changes operational parameters (tension, wrap speed, heater temperature) in response to detected material quality. This allows the system to maintain containment force by optimizing the performance of each layer rather than relying on quantity, thereby reducing material waste.
3Reliability
If packaging material tension is continuously monitored and adjusted, then film break risk is reduced, but machine complexity increases
Solution Approach 1:
The system uses the packaging material itself to provide feedback through sensors that detect material characteristics. The material's own properties (defects, thickness variations) become the signal for adjustment, eliminating the need for complex external monitoring systems and keeping the control mechanism relatively simple.
Data Source
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AI summary
A method, apparatus and program product may utilize packaging material quality compensation to sense changes in certain characteristics of a packaging material that can be associated with increased risks of film breaks, and automatically make certain changes in machine settings to mitigate the impact of those enhanced risks.