3D Printing System with Rotatable Support and Automated Image Division
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Solution Overview
Problem
Conventional inkjet printing systems for three-dimensional objects require frequent adjustments of the object's angle and image division, making it difficult to print images from multiple directions efficiently.
Innovation Solution
A system that includes a recording head, a rotatable three-dimensional object supporting device, and a print control section that automatically adjusts the object's angle and divides images based on designated angles, allowing for simultaneous printing from multiple directions while ensuring proper overlap and concentration at the boundaries of divided images.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual adjustment of object angle and image division is used for printing from multiple directions, then printing flexibility is maintained, but operation complexity and time consumption increase significantly
Solution Approach 1:
The system performs self-service by automatically dividing the image and calculating arrangement positions based on the three-dimensional object's shape data. The control unit autonomously determines how to divide the image into multiple regions and arranges them on different surfaces without requiring manual user intervention for each printing direction change.
Solution Approach 2:
The system performs preliminary action by pre-calculating the image division and arrangement positions before actual printing begins. The control unit processes the three-dimensional object data in advance, determines the optimal division scheme, and prepares the printing plan, so that when printing starts, all adjustments have already been made automatically.
2Manufacturing precision
If image is divided into multiple parts for printing on different surfaces, then complete coverage of three-dimensional object is achieved, but boundary alignment between adjacent images becomes difficult
Solution Approach 1:
The system uses feedback by incorporating position information about the three-dimensional object's surfaces into the control unit's calculations. The control unit receives data about the object's geometry and uses this feedback to automatically calculate the correct arrangement positions for each divided image portion, ensuring that boundaries align precisely when the object is viewed from different angles.
Solution Approach 2:
The system applies parameter changes by dynamically adjusting the division parameters and arrangement positions based on the specific three-dimensional object being printed. The control unit modifies image division parameters, scaling factors, and positioning coordinates according to the object's unique shape characteristics, allowing precise boundary alignment for each different object type.
Data Source
AI summary
A system for printing on a three-dimensional object includes: a recording head; a three-dimensional object supporting device supporting a three-dimensional object rotatively with a shaft member as a center; a print control section causing the recording head to print an image on the three-dimensional object while rotating the three-dimensional object by the three-dimensional object supporting device, and causing the three-dimensional object supporting device to support the three-dimensional object at a designated angle, for each of designated angles, and causing the recording head to print divided images on the three-dimensional object, the divided images being set with respect to the designated angles; an image accepting section that receives the print image; and an image dividing section that divides the print image received by the image accepting section in association with the designated angles to set the divided images to the designated angles.