Foil Stamping Die Edge Thickness for Precise Pattern Alignment
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Solution Overview
Problem
In foil stamping, the foil often adheres to areas beyond the edge of the uneven pattern, leading to increased deviation between three-dimensionally formed and colored portions, which deteriorates the design quality of the printing object.
Innovation Solution
A foil stamping die with a pattern-shape portion that has a consistent thickness along its edge, allowing precise transfer of foil to match the uneven pattern on the printing object, and incorporating protrusions to separate seam patterns and prevent foil adherence beyond the pattern edges.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If foil stamping is performed with a conventional pattern-shape portion, then the foil can be transferred to the printing object, but the foil adheres to areas beyond the edge of the uneven pattern, causing deviation between three-dimensionally formed and colored portions
Solution Approach 1:
The edge portion of the pattern-shape portion is given a different thickness (first thickness) compared to the main body (second thickness), creating local structural differentiation. This local quality change ensures that the foil adhesion area is precisely controlled to match the pattern boundaries, preventing excessive adhesion while maintaining complete foil transfer within the pattern area.
2Ease of manufacture
If the foil stamping die uses a pattern-shape portion with varying thickness, then it is easier to manufacture, but the edge thickness variation causes foil to adhere beyond the pattern edges, deteriorating design quality
Solution Approach 1:
The pattern-shape portion incorporates a localized thickness variation at the edge region, where the edge portion has a first thickness and the main body has a second thickness. This local differentiation maintains ease of manufacture for the bulk structure while precisely controlling the foil adhesion boundary at the edge, preventing design quality deterioration.
3Device complexity
If the edge of the pattern-shape portion has non-uniform thickness, then manufacturing is simplified, but the deviation between three-dimensionally formed portion and colored portion increases
Solution Approach 1:
The edge of the pattern-shape portion is designed with uniform first thickness specifically at the boundary region, while the main body may have different thickness characteristics. This local uniformity at the edge ensures precise alignment between the three-dimensionally formed portion and the colored portion, preventing deviation despite potential simplifications elsewhere in the structure.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enhances the design property of the printing object by ensuring the foil adheres only within the pattern boundaries, maintaining design integrity and creating a high-grade appearance.
Implementation Method 1
a foil stamping die 20 that can be pressed against a printing object 11, on which a foil 12 is placed, to transfer the foil to the printing object while applying an uneven pattern to a surface of the printing object
Implementation Method 2
a foil stamping die 20 that can be pressed against a printing object 11
Data Source
AI summary
The present invention relates to a foil stamping die used for foil stamping, and a method of manufacturing a vehicle interior component using the foil stamping die. An object of the present invention is to provide a foil stamping technique capable of enhancing the design property of a printing object. In a foil stamping die capable of transferring a foil to the printing object while applying an uneven pattern to a surface of the printing object by pressing the die toward the printing object on which the foil is placed, a pattern-shape portion which is a portion corresponding to the uneven pattern is provided, and an edge of the pattern-shape portion has the same thickness over the entire area thereof.