Media Sheet Cutting Optimization via Dynamic Strip Joining

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Solution Overview

Problem

The commercial printing industry faces inefficiencies in determining the minimum number of cuts required to separate media instances on a media sheet, leading to increased costs and waste due to mechanical inaccuracies and suboptimal cutting strategies.

Innovation Solution

A computer-implemented method that identifies media instances, determines cutting relationships, prioritizes neighboring instances based on relative widths, and joins them into strips requiring the fewest cuts, optimizing the cutting process by employing single and double cuts strategically.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of substance

If traditional cutting strategies are used to separate media instances, then the cutting process is simple to implement, but the number of cuts increases leading to higher costs and waste

Engineering Contradiction:
Improvemedia wasteVSAvoidcutting plan complexity
Core Design Contradiction:
Loss of substanceVSDevice complexity

Solution Approach 1:

The system performs preliminary analysis of the media layout to pre-determine optimal cutting sequences and identify media instances that can be separated with fewer cuts. By analyzing the layout beforehand and planning cuts strategically, the system reduces unnecessary cuts and media waste without requiring complex real-time adjustments during the cutting process.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The cutting process is segmented into different types of cuts (single cuts and double cuts) based on the spatial relationship between media instances. The system divides the cutting plan into sequences where single cuts separate instances that can be divided by one cut, while double cuts handle instances requiring two cuts, thereby optimizing the overall cutting strategy and reducing media waste.

Inventive Principle:
Principle #1Segmentation

2Productivity

If more media instances are placed on each media sheet, then productivity increases, but the difficulty of determining optimal cutting sequences increases

Engineering Contradiction:
Improvemedia sheet utilizationVSAvoidcutting sequence determination
Core Design Contradiction:
ProductivityVSDifficulty of detecting and measuring

Solution Approach 1:

The system automatically analyzes the media layout and determines optimal cutting sequences without requiring manual intervention or complex user input. The computer-implemented method self-evaluates the arrangement of media instances, identifies cutting opportunities, and generates optimized cutting plans, thereby handling high-density layouts efficiently without increasing operational difficulty.

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The system incorporates feedback mechanisms to continuously evaluate the media layout and adjust cutting sequences accordingly. By analyzing the spatial relationships between media instances and the impact of potential cuts, the system dynamically refines the cutting plan to maximize sheet utilization while maintaining optimal cutting sequences, even as the number of media instances increases.

Inventive Principle:
Principle #23Feedback

3Ease of manufacture

If single cuts are used to separate media instances, then cutting costs are reduced, but not all media instances can be separated effectively

Engineering Contradiction:
Improvecutting cost efficiencyVSAvoidseparation effectiveness
Core Design Contradiction:
Ease of manufactureVSReliability

Solution Approach 1:

The system applies different cutting strategies to different media instances based on their specific spatial relationships and separation requirements. Some instances are separated using single cuts when feasible, while others require double cuts to achieve effective separation. This localized approach ensures that cutting cost efficiency is maintained where possible while separation effectiveness is achieved where needed.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The cutting strategy is dynamic rather than static, allowing the system to adapt between single cuts and double cuts based on the specific requirements of each media instance arrangement. The system evaluates each potential cut and determines the optimal approach in real-time, ensuring that separation effectiveness is maintained while minimizing cutting costs through flexible strategy application.

Inventive Principle:
Principle #15Dynamics

Data Source

PatentEP3812982A1Systems and methods for minimizing a total number of cuts to separate media instances imaged onto a media sheet
Publication Date: 2021.04.28 EPS US LLC
  • EP3812982A1 patent drawingFigure 1
  • EP3812982A1 patent drawingFigure 2
  • EP3812982A1 patent drawingFigure 3

AI summary

A system and method utilizes strategies, priority rules, specifications, and comparisons to calculate the fewest number of cuts to separate individual instances from an imaged media sheet. Embodiments of the systems and methods may produce an optimal or more efficient arrangement of the media instances on an imaged media to minimize a total number of cuts to separate the instances, and thus reduce an overall cost.