3D Printing on Fabric Using Jig Stabilization
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Solution Overview
Problem
Current three-dimensional printing technologies face challenges in efficiently printing on flexible materials like fabric, as they often require rigid surfaces and struggle with maintaining the integrity and shape of printed objects on dynamic substrates.
Innovation Solution
A system comprising an array of nozzles for dispensing building materials, a work tray, a jig for affixing and stretching fabric, and a computerized controller to operate the nozzles and manage the printing process, allowing for precise control and registration of the printing pattern on the fabric.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If traditional 3D printing is performed on fabric, then the fabric flexibility is maintained, but the printing precision and object integrity deteriorate due to fabric movement and deformation
Solution Approach 1:
The fabric is pre-stretched and secured on the tray before printing begins. This preliminary action stabilizes the fabric surface, preventing movement and deformation during the printing process, thereby maintaining printing precision while preserving fabric flexibility
Solution Approach 2:
The physical state of the fabric is changed by stretching it taut on the tray, transforming it from a flexible, movable state to a stabilized, tensioned state during printing. This parameter change (tension) maintains precision while the fabric returns to its flexible state after printing
2Manufacturing precision
If the fabric is stretched to maintain printing precision, then the manufacturing precision improves, but the device complexity increases due to the need for a jig and robotic mechanism
Solution Approach 1:
A jig is introduced as an intermediary device between the tray and the fabric. The jig simplifies the process of stretching and securing the fabric by providing a standardized framework, reducing the overall system complexity while maintaining printing precision
Solution Approach 2:
The robotic mechanism serves multiple functions: placing the jig on the tray, flipping the jig orientation, and removing the jig after printing. This multi-functionality reduces the need for separate dedicated devices for each operation, thereby managing device complexity
3Manufacturing precision
If a jig is used to affix and stretch the fabric, then the printing precision and fabric stability improve, but the ease of operation deteriorates due to additional setup and removal steps
Solution Approach 1:
The robotic mechanism autonomously performs the operations of placing the jig, flipping it into position, and removing it after printing. This self-service capability eliminates the need for manual intervention in these steps, maintaining ease of operation while ensuring precision through consistent robotic execution
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
Enables efficient and precise three-dimensional printing on fabric by maintaining the integrity of the printed objects, allowing for flexible and dynamic printing processes that can produce complex shapes and designs on fabric substrates.
Implementation Method 1
Some 3D printing processes, for example, 3D inkjet printing, are being performed by a layer by layer inkjet deposition of building materials. Thus, a building material is dispensed from a dispensing head having a set of nozzles to deposit layers on a supporting structure.
Implementation Method 2
a radiation source, and wherein the work tray has reflectivity of at least 50% to radiation emitted by the radiation source
Implementation Method 3
the work tray has reflectivity of at least 50% to radiation emitted by the radiation source
Implementation Method 4
the work tray comprises a fluid channel, and the system comprises a fluid delivery system for generating a flow of fluid within the fluid channel
Data Source
AI summary
A system for three-dimensional printing comprises an array of nozzles for dispensing building materials, a work tray (12/360) and a jig (402) configured for affixing a fabric (420) to the work tray. A computerized controller operates at least the array of nozzles to dispense a building material in a configured pattern corresponding to a shape of an object on the affixed fabric.