3D Projection Device for Machine Tool Operator Visualization
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Solution Overview
Problem
Programming and operating machine tools, such as milling machines and robots, is complex due to the need for precise knowledge of coordinate systems and their orientation, requiring excellent spatial imagination and translation skills from operators.
Innovation Solution
A method employing a 3D projector to display machine states, including coordinate systems, directly in the working area, allowing operators to visualize and understand machine positions and movements without constant reference to control panels, using a 3D or 2D projector to project information onto surfaces within the operator's field of view.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If machine tool operation relies on traditional control panels and coordinate system knowledge, then programming precision can be maintained, but operator complexity and fatigue increase significantly
Solution Approach 1:
The patent projects a virtual copy of the machine tool's coordinate system and operational interface directly onto the physical working area. This allows operators to see and interact with coordinate information in the context of the actual workpiece and tool positions, eliminating the need to constantly reference separate control panels and reducing cognitive load while maintaining programming precision
Solution Approach 2:
The projection system acts as an intermediary between the machine tool's internal coordinate system and the operator's visual perception. By rendering coordinate information in the physical working space, it mediates the complex relationship between abstract coordinate data and physical machine positions, making the system easier to operate without sacrificing precision
2Reliability
If operators continuously monitor control panels for machine states, then operational awareness is maintained, but operator fatigue and safety risks increase
Solution Approach 1:
The patent transitions machine state information from a 2D control panel display to a 3D spatial representation projected in the working area. This dimensional change allows operators to perceive machine states, tool positions, and coordinate systems in the same spatial context as the physical work, eliminating the need to shift attention between separate display and work areas, thereby reducing fatigue while maintaining operational awareness
3Loss of information
If traditional 2D projection displays are used for machine states, then information can be displayed, but spatial understanding and visualization are insufficient
Solution Approach 1:
The patent employs 3D projection technology to display machine states, coordinate systems, and tool positions in three-dimensional space rather than on a 2D screen. This allows operators to visually comprehend spatial relationships, axis orientations, and workpiece positions directly in the working area, significantly improving spatial visualization while maintaining complete information display capability
Data Source
AI summary
A method for operating a machine tool is disclosed wherein during operation of the machine tool at least one state of the machine tool is projected into a working area of the machine tool with a 3D projector at a predefined point in space in the working area. A projection device performing the method and a machine tool with such a projection device is also disclosed.