3D Model Superimposition for Obstructed Workpiece Visibility
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Solution Overview
Problem
In machining with machine tools, it is difficult to visually recognize the state of a workpiece due to obstructions like cutting oil or a soiled protection door, which obstructs visibility and poses safety risks and inefficiencies.
Innovation Solution
An information display system that uses a mapping unit to create model data of a workpiece, a complementary unit to generate and display a 3D model image of the workpiece, and a match move unit to perform match move processing, allowing for the superimposition of the 3D model onto invisible parts of the workpiece, enabling continuous observation of machining progress and tool relationships.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If cutting oil is supplied or protection door is closed during machining, then cooling and protection functions are improved, but visibility of workpiece deteriorates
Solution Approach 1:
The patent creates a 3D model copy of the workpiece that can be displayed when the actual workpiece is not visible. The mapping unit generates model data from photographed images, and the complementary unit displays this 3D model to represent the invisible portions of the actual workpiece, allowing operators to observe machining progress without compromising safety or cooling functions.
Solution Approach 2:
The patent introduces a 3D model as an intermediary between the operator and the actual workpiece. When the protection door is closed or cutting oil obscures the view, the 3D model serves as a mediator that conveys information about the workpiece state without requiring direct visual access to the physical workpiece.
2Difficulty of detecting and measuring
If protection door is opened to improve visibility, then visibility of workpiece is improved, but safety deteriorates
Solution Approach 1:
The system creates a virtual 3D model that replicates the workpiece appearance and machining state, allowing operators to observe machining progress through the displayed model rather than opening the protection door. This eliminates the safety risk associated with door opening while maintaining full visibility of workpiece information.
3Productivity
If machining continues without interruption, then productivity is improved, but ability to observe workpiece state deteriorates
Solution Approach 1:
The patent enables continuous machining operation without requiring interruptions for visual inspection. The 3D model is continuously updated and displayed, providing ongoing observation capability that allows machining to proceed uninterrupted while maintaining full awareness of workpiece state, tool position, and machining progress.
Solution Approach 2:
By displaying a 3D model copy of the workpiece and machining environment, the system provides continuous observation capability that eliminates the need to pause machining for visual inspection. The model updates in real-time, allowing operators to monitor progress continuously without interrupting the machining process.
Data Source
AI summary
Provided is an information display system configured to display auxiliary information in a real space in a superimposed manner, depending on the visibility of a workpiece. The information display system is provided with a mapping unit configured to photograph the workpiece and create model data indicative of the shape of the workpiece, a complementary unit configured to generate a 3D model image of at least a part of the workpiece based on 3D model data of the workpiece and complement an invisible part of the workpiece by the 3D model image, and a display unit configured to display the 3D model image so as to be superimposed on the invisible part of the workpiece.