3D Printed Ornamental Article Segmentation Method
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Solution Overview
Problem
Existing methods for producing ornamental articles, such as jewelry and watch straps, face limitations in creating complex shapes with high-quality surface finishes, are costly, wasteful, and require manual intervention, while also struggling to achieve desired mechanical properties like flexibility and aesthetic appeal.
Innovation Solution
A method involving 3D printing of metal powder layers and the use of a finish plate with metallurgic processes to create ornamental articles with high-quality surface finishes, allowing for customizable shapes, materials, and colors, while minimizing waste and manual intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If braided strands of precious material are used to create ornamental articles, then the articles can be produced with continuous material structure, but the surface pattern shapes and motifs are limited and aesthetic appeal is reduced
Solution Approach 1:
The ornamental article is divided into multiple separate elements that are coupled together, allowing each element to be independently formed with specific surface patterns and motifs, thereby overcoming the limitation of continuous braided strands while maintaining structural integrity through the coupling mechanism
Solution Approach 2:
Different surface patterns, motifs, and finishes are applied to different local areas of the ornamental article. Each element can have unique surface characteristics tailored to specific aesthetic requirements, enabling diverse visual appeal while maintaining manufacturing efficiency
2Stability of the object's composition
If weaving of strands is used to create links, then material continuity is maintained, but mechanical properties such as flexibility cannot be optimized without compromising surface continuity
Solution Approach 1:
The continuous material structure is segmented into multiple discrete elements that are coupled together. This segmentation allows each element to be optimized for flexibility while maintaining overall structural continuity through the coupling mechanism, resolving the conflict between material continuity and mechanical flexibility
Solution Approach 2:
The ornamental article combines multiple elements with different material properties and structural characteristics. By coupling elements with optimized flexibility features to those with superior surface continuity, the composite structure achieves both flexibility and visual smoothness simultaneously
3Ease of operation
If single elements are mechanically coupled to create ornamental articles, then flexibility can be improved, but the articles become complex to manufacture and require major manual intervention
Solution Approach 1:
Multiple elements are pre-formed with their final shapes, surface patterns, and coupling features before assembly. The coupling mechanisms are designed to enable automated or semi-automated assembly, reducing manual intervention requirements while maintaining the flexibility benefits of segmented construction
Solution Approach 2:
Standardized coupling mechanisms and element designs are used throughout the ornamental article, allowing the same manufacturing processes and assembly techniques to be applied across all elements. This universality simplifies production and reduces the need for specialized manual operations
4Adaptability or versatility
If lost-wax casting technique is used to produce ornamental articles, then articles of any shape and size can be obtained, but production cost increases due to high consumption of third materials for moulds
Solution Approach 1:
The ornamental article is divided into multiple elements that can be manufactured using additive manufacturing or other efficient processes. This segmentation eliminates the need for extensive mould material consumption associated with lost-wax casting, while still achieving complex shapes through digital design and fabrication of individual elements
Solution Approach 2:
The manufacturing approach transitions from subtractive lost-wax casting to additive or formative processes. This parameter change in the manufacturing method reduces material consumption significantly while maintaining the ability to produce articles of any shape and size through digital modeling and controlled fabrication
5Adaptability or versatility
If lost-wax casting technique is used to produce ornamental articles, then articles of any shape and size can be obtained, but the articles are not elastic and desired flexibility cannot be achieved
Solution Approach 1:
The rigid structure produced by lost-wax casting is segmented into multiple flexible elements that are coupled together. This segmentation allows each element to contribute to the overall flexibility of the ornamental article while maintaining the complex shapes achieved through precision casting or alternative fabrication methods
Solution Approach 2:
The ornamental article combines elements with different mechanical properties. Some elements may be designed with higher flexibility while others maintain structural integrity, creating a composite structure that achieves both complex shapes and desired elasticity through the synergistic combination of different material characteristics
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 the production of ornamental articles with complex shapes and high-quality surface finishes, achieving precise and cost-effective manufacturing with reduced waste, and providing enhanced mechanical and aesthetic properties.
Implementation Method 1
said augmenting step consisting of successive welding of layers of metal powder, preferably precious or semi-precious metallic material
Data Source
AI summary
Method for making an ornamental article, which envisages a step for arranging, in a 3D printer, a finish plate made of metallic material provided with an inner face and an outer face, and an augmenting step for augmenting, in the 3D printer, an ornamental body formed by a plurality of separate connection elements mechanically engaged with each other, wherein the augmenting step is attained by means of successive welding of metal powder layers, so to fix the plurality of connection elements of the ornamental body to the finish plate. The method further comprises a step for cutting the finish plate into a plurality of separate surface elements adjacent to each other and mechanically connected to the plurality of connection elements.