3D Color Layer Printing for Contoured Ink Thickness Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current methods for printing UV-curable graphic layers on apparel and footwear lack the ability to create complex, three-dimensional contoured surfaces with precise control over ink thickness and distribution, limiting the aesthetic and functional capabilities of printed designs.
Innovation Solution
A method involving a 3D printing system that uses CMYK printing to deposit color and transparent structural ink layers in a layered structure, allowing for precise control of ink thickness and distribution to create contoured surfaces, enabling the formation of functional and aesthetic three-dimensional objects with varying heights and shapes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional printing methods are used to deposit ink layers on fabric, then the printing process is simple and cost-effective, but the ability to create complex three-dimensional contoured surfaces with precise control over ink thickness and distribution is limited
Solution Approach 1:
The printing system is divided into multiple independent printheads, each responsible for depositing a specific layer (color layer, transparent structural layer, or color overlay layer). This segmentation allows precise control over ink thickness and distribution for each layer type while maintaining overall system manageability through modular architecture
Solution Approach 2:
The system transitions from traditional two-dimensional printing to three-dimensional printing by depositing ink layers at varying heights and thicknesses. Multiple printheads operate at different vertical positions to build contoured surfaces with precise thickness control in the Z-dimension, enabling complex three-dimensional topography on fabric substrates
2Quantity of substance
If extensive color ink is used throughout the three-dimensional structure, then complete color coverage is achieved, but the cost increases significantly
Solution Approach 1:
Color ink is applied selectively only where needed for aesthetic purposes. The first printhead deposits color ink in specific patterns or regions, while the second printhead adds color overlay layers only in areas requiring enhanced coloration. Transparent structural layers are used in regions where structural function is prioritized over color, reducing overall color ink consumption while maintaining visual appeal in critical areas
Solution Approach 2:
The system combines different ink types (color ink and transparent structural ink) in a layered composite structure. By strategically placing transparent structural layers between color layers, the system achieves both structural integrity and color coverage with optimized material usage, reducing color ink consumption while maintaining aesthetic quality
3Shape
If multiple ink layers are deposited to create three-dimensional contoured surfaces, then aesthetic appearance and functional elements are enhanced, but the printing process time increases
Solution Approach 1:
The system pre-plans and pre-processes the printing path for each printhead before actual deposition begins. The controller coordinates the movement and operation of multiple printheads in advance, optimizing their trajectories and deposition sequences to minimize idle time and maximize efficiency during the multi-layer printing process
Solution Approach 2:
Multiple printheads operate simultaneously and continuously during the printing process, with each printhead depositing its designated layer without interruption. The coordinated operation ensures that color layers, transparent structural layers, and color overlay layers are deposited in continuous sequences, eliminating downtime between layer transitions and maintaining high productivity throughout the three-dimensional printing process
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 approach enables the creation of complex, three-dimensional designs with enhanced visual effects and functional elements on apparel and footwear, offering improved appearance and performance while being cost-effective by reducing the need for extensive color ink usage throughout the structure.
Implementation Method 1
A first color layer is printed onto a fabric or other substrate. A first structural layer that is transparent is printed onto the first color layer.
Implementation Method 2
Printers or plotters may be programmed to deposit layers of acrylic resin ink, polyurethane ink, TPU ink or silicone ink or other inks on a fabric or other article
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A method of printing a three-dimensional color object having a contoured surface onto a substrate includes printing color ink layers and structural ink layers. A color ink layer is printed onto the substrate. Structural ink layers are printed onto the color ink layer to build the three-dimensional shape of the object. The contoured surface is formed from varying the heights of pixel columns in the printing information. The heights of the pixel columns may be varied by printing different numbers of layers in adjacent columns or by printing the same number of layers in adjacent columns where some pixels in a column have different thicknesses than other pixels in the column.