Personalized Lamination Layer Application for Security Inlays
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Solution Overview
Problem
In the production of multi-layer security documents, defective inlay layers lead to increased throughput and production times due to the need to re-deploy personalized and individualized lamination layers, resulting in wasted resources and extended manufacturing processes.
Innovation Solution
Implement a method where a personalized and individualized lamination layer is only applied to the inlay layer if it is functional, and a replacement layer is used if the inlay layer is non-functional, allowing the production process to continue without interruption and reducing waste.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a personalized and individualized lamination layer is applied to all inlay layers regardless of functionality, then production process continuity is maintained, but production time increases due to re-manufacturing personalized layers for defective inlay layers
Solution Approach 1:
The functionality of the inlay layer is tested before applying the personalized and individualized lamination layer. This preliminary action prevents waste of time and resources by avoiding the application of personalized layers to defective inlay layers, thereby eliminating the need for re-manufacturing personalized layers later in the production process.
Solution Approach 2:
A feedback mechanism is implemented where the test result of the inlay layer functionality directly controls whether the personalized lamination layer is applied. If the inlay layer passes the functionality test, the personalized layer is applied; if it fails, the personalized layer is skipped. This feedback loop optimizes production time by preventing unnecessary processing of defective components.
2Loss of substance
If the production process waits for functionality testing before applying personalized layers, then resource waste is reduced, but production complexity increases
Solution Approach 1:
The functionality test is performed as a preliminary action before the lamination step. This sequencing of operations ensures that personalized materials are only applied to functional inlay layers, minimizing material waste without requiring complex rework processes.
Solution Approach 2:
The functionality testing step is extracted and positioned as a separate, distinct operation before the lamination process. This extraction allows the system to make an informed decision about whether to proceed with personalization, simplifying the overall process logic by creating a clear branching path based on test results.
3Productivity
If personalized layers are applied to defective inlay layers, then production flow is maintained, but throughput time increases due to later rejection and re-manufacturing
Solution Approach 1:
By performing the functionality test before applying the personalized lamination layer, the system identifies and isolates defective inlay layers early in the process. This preliminary action prevents defective items from entering the personalized layer application stage, thereby maintaining production flow efficiency and avoiding later re-manufacturing operations that would extend throughput time.
Solution Approach 2:
The system skips the personalized lamination step for defective inlay layers by implementing a conditional process flow. Functional inlay layers proceed through the personalization stage while defective ones are diverted, allowing the production process to rush through the personalization step only for viable products and thereby reducing overall throughput time.
Data Source
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AI summary
The invention relates to a method and a device for producing a multi-layer security product (1), comprising the method steps: providing an inlay layer(4) or a layer composite containing the inlay layer (4); checking a functionality of the inlay layer (4); and applying at least one personalised and/or individualised lamination layer (5) to the inlay layer (4) or the layer composite containing the inlay layer (4), only if the functionality exists.