3D Printing System With Dual Resolution Heads And Rotatable Table
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Solution Overview
Problem
Conventional 3D-printing systems face inefficiencies due to limited movement of print heads in two-dimensional planes, slow printing speeds caused by high-resolution nozzles, and the inability to adjust angles, resulting in low printing efficiency and limited application.
Innovation Solution
A method involving a gripper to handle different-sized print heads, allowing for fast, medium, and low-speed printing with varying resolutions, and enabling the print head to move along three-dimensional planes or curves through a multi-freedom robot mechanism, with a rotatable carrying table for enhanced positioning and angle adjustment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a print head with high resolution is used to ensure printing accuracy, then the printing precision is improved, but the printing speed becomes very slow
Solution Approach 1:
The patent divides the printing process into multiple stages with different print heads. A first print head with lower resolution performs fast printing for non-critical areas, while a second print head with higher resolution performs slow printing for critical areas requiring precision. This segmentation allows the system to achieve high overall precision without sacrificing printing speed across the entire product.
2Device complexity
If the robot moves the print head only in X, Y, and Z directions on a stationary carrying table, then the system structure is simple, but the application is limited and cannot print complex three-dimensional shapes
Solution Approach 1:
The patent transforms the stationary carrying table into a rotatable one that can change its rotational angle dynamically. This allows the print head to access and print on complex three-dimensional shapes from multiple angles, significantly expanding the system's application range without requiring an overly complex multi-axis robot structure.
Solution Approach 2:
The patent adds a rotational dimension to the carrying table, enabling it to rotate around the print head. This transforms the printing capability from two-dimensional plane printing to three-dimensional space printing, allowing the system to create complex geometries by printing from multiple angular perspectives.
3Ease of operation
If the print head moves only along two-dimensional planes or curves, then the system is simpler to control, but it cannot print complex three-dimensional objects
Solution Approach 1:
The patent makes the carrying table rotatable, allowing it to dynamically change its rotational angle during the printing process. This dynamic adjustment enables the print head to access complex three-dimensional surfaces while maintaining relatively simple control mechanisms, as the rotation can be controlled in addition to the standard X, Y, Z movements.
Data Source
Figure 1
AI summary
A method of printing out a product by a 3D-printing system, comprises steps of: performing a fast speed print with a first print head having a first resolution, so as to print out a substrate of the product; scanning the substrate printed out in the fast speed print and constructing an actual 3D-digital model of the substrate printed out in the fast speed print; comparing the actual 3D-digital model of the substrate printed out in the fast speed print with a pre-constructed ideal 3D-digital model of the product; based on a comparing result in the step S300, determining whether an error between the actual 3D-digital model of the substrate printed out in the fast speed print and the pre-constructed ideal 3D-digital model of the product is less than or equal to a predetermined value, if the determining result is yes, then returning to the step S 100, if the determining result is no, then performing following step; and performing a low speed print of the product by a second print head having a second resolution higher than the first resolution.