Multi-Axis 3D Printing for Non-Parallel Layer Deposition
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Solution Overview
Problem
Conventional 3D printers are limited by the building direction being perpendicular to the print head axis, preventing the deposition of layers parallel to the print head, which hinders the individualized processing of each layer in multifunctional materials manufacturing.
Innovation Solution
A system with a vertical axis, a first horizontal axis, and a second horizontal axis, comprising a printing platform with a first print head and a second print head that are configured to deposit material along non-parallel axes, and actuators for relative movement between the printing platform and the print heads.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional extrusion-based printing is used with the building direction perpendicular to the print head axis, then the print head can deposit material in a controlled manner, but the print head cannot deposit layers parallel to the print head axis, limiting individualized processing of each layer
Solution Approach 1:
The system divides the printing function into separate print heads, each capable of depositing material in specific orientations. The first print head deposits material in a first direction while the second print head deposits material in a second direction not parallel to the first, allowing different layers to be printed with different orientations without requiring a single complex print head to perform all functions
Solution Approach 2:
The system introduces additional spatial dimensions for material deposition by enabling print heads to operate at different orientations relative to the build platform. The first print head deposits material at a first angle while the second print head deposits material at a second angle not parallel to the first, adding orientational freedom beyond the conventional single-axis deposition approach
2Adaptability or versatility
If multiple print heads with different deposition axes are used, then multifunctional materials with customized spatial properties can be produced, but the device complexity increases
Solution Approach 1:
Each print head is designed to be multi-functional, capable of depositing different materials and performing different deposition operations. The first and second print heads can each process multiple materials and perform various deposition functions, allowing a single component to serve multiple purposes rather than requiring separate specialized components for each function
Solution Approach 2:
The system combines multiple print heads with different deposition capabilities into a single integrated printing system. The first and second print heads operate within the same system framework, sharing common control mechanisms and coordinate systems, thereby achieving the functionality of multiple separate systems while reducing overall complexity through consolidation
3Reliability
If conventional single-axis printing is used, then the device structure remains simple, but delamination occurs and unique geometries cannot be produced
Solution Approach 1:
Different regions of the printed object are printed with different material orientations and properties. The first print head deposits material with specific spatial properties in certain regions while the second print head deposits material with different spatial properties in other regions, allowing local optimization of material characteristics to prevent delamination and enable unique geometries
Data Source
AI summary
A system has a printing platform, a first print head that is configured to deposit material along a first deposition axis, and a second print head that is configured to deposit material along a second deposition axis that is not parallel to the first deposition axis. At least one actuator is configured to cause relative movement between the printing platform and the first and second print heads along a vertical axis and first and second horizontal axes.