3D Printer Material Cartridge System for Recycled Build Material
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Solution Overview
Problem
Current 3D printing technologies face challenges in efficiently utilizing recycled materials due to the need for external equipment and space for mixing and handling, leading to increased costs and potential cross-contamination, as well as manual handling that can result in environmental contamination.
Innovation Solution
The integration of a closed-loop material handling system within the 3D printer, utilizing material cartridges for both new and recycled materials, which reduces external resource requirements and minimizes manual handling, allowing for contained mixing and recovery of unfused materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If external equipment and space are used for mixing and handling recycled materials, then material recycling capability is improved, but device complexity and space requirements increase
Solution Approach 1:
The patent combines the material handling, mixing, and recycling functions into the 3D printer itself. The printer includes an integrated material repository, conveying system, and mixing mechanism that work together to process both new and recycled materials within the printer housing, eliminating the need for external equipment.
Solution Approach 2:
The 3D printer is designed with multi-functional capabilities to handle new materials, recycled materials, and mixed materials through the same printing mechanism. The material handling system can process different material types sequentially or simultaneously, making the device universal in its material processing capabilities.
2Ease of operation
If manual handling of build material is used for mixing and extraction, then operational flexibility is improved, but contamination risk increases
Solution Approach 1:
The system performs material handling, mixing, and extraction operations automatically without manual intervention. The conveying system transports materials between repositories and the build chamber, while the mixing mechanism combines new and recycled materials automatically, eliminating human contact with build materials.
Solution Approach 2:
The patent introduces automated intermediary systems (conveying mechanisms, mixing devices, and sealed repositories) that mediate between material storage and the printing process. These intermediaries handle all material transfers and mixing operations, preventing direct human contact and associated contamination.
3Adaptability or versatility
If dedicated resources external to the printer are used for material mixing, then material processing capability is improved, but cost increases
Solution Approach 1:
The patent merges material processing functions into the printer by integrating a material repository, conveying system, and mixing mechanism within the printer housing. This consolidation eliminates the need for separate external equipment for material handling and processing.
Solution Approach 2:
The 3D printer performs all material processing operations autonomously, including material transport, mixing of new and recycled materials, and preparation for printing. The system serves itself by automatically managing the complete material workflow without external dedicated resources.
4Productivity
If external equipment is used for recovery of excess build material, then material recovery efficiency is improved, but loss of substance increases
Solution Approach 1:
The patent employs an automated conveying system as an intermediary to transport excess material from the build chamber to the recycling repository. This sealed intermediary system prevents material exposure to the external environment, minimizing contamination and recovery losses.
Solution Approach 2:
The system automatically recovers and recycles excess build material through integrated conveying and storage mechanisms. The closed-loop system continuously retrieves unused material and stores it in sealed repositories, enabling ongoing material recovery without manual intervention and minimizing substance loss.
Data Source
AI summary
A three-dimensional (3D) printer and method including a material cartridge receiver to hold a removable material cartridge to accept build material from the 3D printer and to make build material available from the material cartridge to the 3D printer for printing of the 3D object. A liquid cartridge receiver holds a removable liquid cartridge to make available print liquid from the liquid cartridge for a print assembly.