Automated 3D Printer Base Layer Formation via Conveyor Dispensing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing 3D printing systems require manual construction of a large base layer of unprinted build material, which is time-consuming and expensive, necessitating an automated method to form the base while loading build material into the supply containers.
Innovation Solution
A system where a build unit is coupled to a conveyor and a dispenser, controlled by a programmed controller, automatically forms the base layer by dispensing and leveling build material onto the platform and into supply containers, allowing for efficient and uniform distribution.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If manual construction of base layer is used, then labor flexibility is maintained, but time consumption and cost increase significantly
Solution Approach 1:
The patent combines the base layer construction function with the existing material loading system by integrating a dispenser and conveyor into the build unit. The dispenser deposits material while the conveyor moves the build platform, merging two functions (base construction and material loading) into a unified automated process that increases productivity without proportionally increasing overall system complexity
Solution Approach 2:
The build unit is designed with multi-functionality, serving both as a printing chamber and as a material loading station with integrated base construction capability. The same build unit that receives printed objects also receives automated material deposition and conveyor movement, allowing one device to perform multiple functions including base layer formation, material loading, and platform transport
2Manufacturing precision
If automated dispenser and conveyor are implemented, then base layer uniformity improves, but system complexity increases
Solution Approach 1:
The base construction process is segmented into distinct functional components: the dispenser handles material deposition with controlled positioning, the conveyor handles platform movement, and the leveling mechanism handles surface uniformity. This segmentation allows each component to be optimized for its specific function while working together to achieve overall base layer uniformity without requiring the entire system to be overly complex
3Productivity
If base layer is built layer by layer in printer, then material distribution is controlled, but printing time is lost
Solution Approach 1:
The system performs preliminary action by constructing the base layer and loading material into supply containers simultaneously during the material loading phase, before the actual printing process begins. The dispenser deposits material and the conveyor positions the platform in advance, so that when printing starts, the base is already prepared and material is ready, eliminating the need to build the base layer by layer during printing and thus recovering printing time while maintaining material distribution control through the controlled dispensing process
Data Source
AI summary
In one example, a system for loading build material into a portable build unit having a platform on which objects are printed and a build material supply container next to the platform. The system includes a build material dispenser, a conveyor to move the build unit and/or the dispenser, and a controller operatively connected to the dispenser and the conveyor. The controller is programmed to, with the build unit and the dispenser in a fill position, cause the dispenser to dispense build material into the supply container, cause the conveyor to move the build unit and/or the dispenser to and/or from the fill position, and, while the conveyor moves the build unit and/or the dispenser to and/or from the fill position, cause the dispenser to dispense build material on to the platform.