Molded Object With Soluble Part Cavity
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing methods for manufacturing molded objects using lamination molding technology struggle to accurately reproduce both the outer shape and inner structure of objects, particularly in medical applications where detailed internal structures are crucial.
Innovation Solution
A method involving the use of a first insoluble part and a second soluble part, where the second part is dissolved in a solvent to create a cavity within the molded object, allowing for precise reproduction of internal structures, and optionally using a third part made of a transmission material for visibility and a molding die for forming additional features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a single material is used for lamination molding, then the manufacturing process is simple, but the inner structure cannot be accurately reproduced
Solution Approach 1:
The patent divides the molded object into multiple parts with different solubility characteristics (insoluble part for outer structure, soluble part for inner structure). This segmentation allows each part to be formed with appropriate material properties, enabling accurate reproduction of both outer shape and inner structure while maintaining a relatively simple lamination molding process.
Solution Approach 2:
The patent changes the solubility parameter of different parts by using different liquid materials (soluble vs. insoluble). This parameter change enables the soluble part to be selectively removed after molding, creating hollow inner structures that accurately reproduce complex internal geometries without requiring complex molding tools.
2Manufacturing precision
If the entire object is made insoluble, then structural integrity is maintained, but internal cavities cannot be formed
Solution Approach 1:
The patent uses a soluble part that is intentionally designed to be discarded after molding. The soluble material serves as a temporary support or pattern during the molding process, maintaining structural integrity during manufacturing, and is then removed by dissolution to create the desired cavity structure in the final product.
3Manufacturing precision
If complex internal structures are molded directly, then manufacturing precision is high, but the molding process becomes extremely complex
Solution Approach 1:
The patent introduces a soluble part as an intermediary element that simplifies the molding process. Instead of directly molding complex internal cavities, the soluble part acts as a temporary mediator that defines the cavity space during molding, making the manufacturing process easier while still achieving high precision in the final internal structure after dissolution.
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 accurate reproduction of internal structures and allows for the creation of molded objects with visible internal details, enhancing applications such as medical simulations and patient explanations.
Implementation Method 1
supplying a first liquid material to a first region out of a molding enabling region where a powder material is arranged and curing the powder material of the first region to form a first insoluble part insoluble in a solvent
Implementation Method 2
When a second liquid material different from the first liquid material is supplied to the powder material of a second region, which is provided so as to be surrounded by the first region, out of the molding enabling region and the powder material of the second region is cured using a lamination molding technology, a second soluble part soluble in the solvent is formed
Implementation Method 3
The second part is dissolved in the solvent. According to the embodiment of the present disclosure, the second soluble part provided so as to be surrounded by the first insoluble part is dissolved in the solvent to form the molded object having a cavity part provided so as to be surrounded by the first part
Data Source
AI summary
Disclosed is a method of manufacturing a molded object. The method includes: supplying a first liquid material to a first region out of a molding enabling region where a powder material is arranged and curing the powder material of the first region using a lamination molding technology to form a first insoluble part insoluble in a solvent; supplying a second liquid material different from the first liquid material to the powder material of a second region, which is provided so as to be surrounded by the first region, out of the molding enabling region and curing the powder material of the second region using the lamination molding technology to form a second soluble part soluble in the solvent; and dissolving the second part in the solvent.