Outlet Structure for Additive Manufacturing Material Transfer
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Solution Overview
Problem
Existing additive manufacturing systems face challenges in ensuring reliable and efficient transfer of build materials from containers to 3D printers, leading to potential material loss and misalignment issues during the process.
Innovation Solution
The development of outlet structures with magnetic retaining elements and valve mechanisms that facilitate airtight connections between build material containers and transport systems, ensuring precise alignment and minimizing material loss through pneumatic transport and automatic sealing configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If build material is transferred from container to 3D printer, then the additive manufacturing process can proceed, but material loss occurs during transfer
Solution Approach 1:
A valve mechanism is introduced as an intermediary component in the build material transfer path. The valve controls and regulates the flow of build material from the container to the 3D printer, ensuring material is transferred only when needed and preventing unintended loss during the process
Solution Approach 2:
The outlet structure is designed to automatically seal and close when build material is depleted in the container, eliminating the need for manual intervention and preventing material loss from exposed outlets during container replacement or idle periods
2Productivity
If outlet structure connects to transport system, then build material transfer is enabled, but misalignment issues occur
Solution Approach 1:
The outlet structure incorporates an asymmetric design with a uniquely shaped interface that must align in a specific orientation with the transport system. This asymmetric configuration ensures proper alignment during connection, preventing misalignment issues while enabling efficient material transfer
3Quantity of substance
If outlet structure is opened for material transfer, then build material can be supplied, but material loss increases
Solution Approach 1:
The outlet structure employs a dynamic valve mechanism that opens and closes based on operational needs. The valve remains closed during idle periods to prevent material loss and only opens when build material supply is required, optimizing the balance between material availability and loss prevention
Solution Approach 2:
The outlet structure automatically seals itself when build material is depleted or when not in use, eliminating the need for manual closure and ensuring the outlet remains protected against contamination and material loss throughout the container's service life
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 solution provides a reliable and efficient transfer of build materials, reducing material loss and ensuring precise alignment, thereby enhancing the consistency and quality of the additive manufacturing process.
Implementation Method 1
a magnetic retaining element arranged to hold the nozzle structure in engagement with the outlet structure
Implementation Method 2
a valve element arranged to prevent build material from exiting the container when the nozzle structure is disconnected from the outlet structure
Data Source
Figure 1
Figure 2
Figure 3
AI summary
A build material container outlet structure (100) comprises: a connector (107) comprising an interface surface (116) and an adaptor to receive a nozzle structure (202) of an external aspiration system; a socket (120) recessed from the interface surface to receive a data interconnect structure (212) of the nozzle structure, the data interconnect structure comprising a data interface (213); a data contact (122) disposed in the socket to engage with the data interface of the data interconnect structure when the nozzle structure is in an engagement position; and an activation structure (124) disposed on the interface surface to engage a switch element (214) in the nozzle structure of the external aspiration system when the nozzle structure is held in the engagement position.