Closed-loop Feedback Printing System for Metal Containers
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Solution Overview
Problem
High-speed metal container production requires immediate detection and correction of decorating anomalies to prevent large numbers of defective containers, as halting the process is costly and inefficient.
Innovation Solution
A closed-loop feedback system that automatically adjusts decorator variables and processes based on real-time inspections, allowing for dynamic adjustments in ink graphics and manufacturing parameters without user intervention, ensuring continuous production and maintaining print quality.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If high-speed container production is maintained, then productivity is improved, but detecting and correcting decorating anomalies becomes more difficult
Solution Approach 1:
The patent implements a closed-loop feedback system where inspection station results are automatically fed back to the decorator. The inspection station evaluates containers at high speed and the decorator automatically adjusts its operation based on this feedback, enabling anomaly detection and correction to continue at high production rates without manual intervention.
Solution Approach 2:
The decorator system performs self-adjustment based on inspection feedback. When anomalies are detected, the decorator automatically modifies its printing parameters without requiring manual reconfiguration, allowing the system to self-correct and maintain high productivity while improving measurement precision through continuous automated optimization.
2Manufacturing precision
If the decorating apparatus halts to correct printing anomalies, then manufacturing precision is improved, but productivity deteriorates
Solution Approach 1:
The patent enables continuous operation by automatically correcting anomalies in real-time. The decorator continuously monitors and adjusts its operation based on inspection feedback, eliminating the need to halt production for corrections. This maintains both high productivity and manufacturing precision through continuous self-adjustment rather than periodic stoppages.
Solution Approach 2:
The closed-loop feedback system allows the decorator to automatically detect and correct printing anomalies without stopping the manufacturing line. Inspection results feed back to the decorator which adjusts its parameters dynamically, maintaining print quality while preserving continuous production flow and productivity.
3Manufacturing precision
If manual adjustment of decorator parameters is used, then manufacturing precision is improved, but device complexity and operation time increase
Solution Approach 1:
The decorator system performs automatic self-adjustment based on inspection feedback, eliminating the need for manual parameter modification. The system monitors its own performance and automatically optimizes its printing parameters, reducing operational complexity while maintaining manufacturing precision through automated control rather than manual intervention.
Solution Approach 2:
The automated feedback loop continuously monitors print quality and automatically adjusts decorator parameters without manual involvement. This closed-loop system reduces operational complexity by automating the control process, while maintaining manufacturing precision through real-time automated optimization based on inspection data.
Data Source
AI summary
A system for decorating multiple containers in a single manufacturing run has a decorator, which includes a source of ink and print site where an ink graphic is deposited to each container in a plurality of containers that make up a manufacturing queue. An inspection station is located downstream from the decorator. The inspection station performs an optical evaluation of a quality of a pattern of ink deposited on at least one container in the plurality of containers A closed-loop feedback is responsive to the inspection station wherein the decorator is automatically adjusted in response to the optical evaluation performed at the inspection station.