Machined Surface Display Linked to Control Axis Waveforms
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Solution Overview
Problem
Existing display technologies for machine tools do not visually depict the machined surface of a workpiece, making it difficult for operators to understand the correspondence between the machined surface and the control axis positions, leading to potential misinterpretation of the machining process.
Innovation Solution
A display device that integrates tool and material data acquisition units, a simulation unit to generate a machined surface image, an association unit to link position data with the image, and a display unit to show corresponding waveform images, allowing operators to intuitively grasp the relationship between the machined surface and control axis positions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of information
If only tool movement trajectory and control axis waveforms are displayed, then the display content is simple and easy to understand, but the operator cannot grasp which part of the workpiece is being machined and the correspondence relationship between machined surface position and physical quantity
Solution Approach 1:
The patent merges the machined surface image display with the control axis waveform display by superimposing waveform images onto the machined surface image. This integration allows operators to simultaneously view both the visual representation of the machined surface and the corresponding control axis data, establishing the correspondence relationship without requiring separate display systems.
Solution Approach 2:
The patent creates a visual copy of the machined surface through image processing techniques. By generating an image that represents the machined surface geometry and superimposing waveform data onto this visual copy, the system provides intuitive spatial context while maintaining the numerical control axis information, thus resolving the information loss without excessive complexity.
2Ease of operation
If machined surface image and waveform image are displayed together with detailed correspondence, then the operator can easily grasp the correspondence relationship, but the display screen becomes cluttered and difficult to read
Solution Approach 1:
The patent applies local quality by allowing waveform images to be displayed with varying degrees of prominence across different regions of the machined surface image. Operators can selectively emphasize waveform information in specific areas of interest while maintaining the overall clarity of the machined surface visualization, thus achieving ease of grasping correspondence without overwhelming the entire display.
Solution Approach 2:
The patent implements dynamic display capabilities where waveform images can be adjusted, zoomed, or highlighted based on operator interaction and machining process stages. This dynamic adjustment allows the display to adapt to different operational needs, providing detailed correspondence information when required while maintaining clarity during normal operation.
3Productivity
If comprehensive machining data is visualized, then the operator can identify defects quickly, but the processing time and computational resources increase
Solution Approach 1:
The patent performs preliminary image processing and waveform generation during the machining process itself, rather than as a post-processing step. By preparing the visual representation of the machined surface and corresponding waveforms in advance, the system enables immediate defect identification when abnormalities occur, thus improving productivity without significant additional processing time.
Solution Approach 2:
The patent replaces traditional mechanical or manual inspection methods with automated image processing and visual display systems. This substitution enables rapid, comprehensive visualization of machining data and defect identification, significantly improving productivity while the computational processing occurs efficiently in the background without adding noticeable delay.
Data Source
AI summary
In the present invention, a display device comprises: a tool data acquisition unit that acquires tool data; a material data acquisition unit that acquires material data; a position data acquisition unit that acquires position data indicating the position of a control axis; a simulation unit that executes a machining simulation on the basis of the tool data, the material data, and the position data, and generates a machined surface image showing the machined surface of the material; an association unit that associates the position data and the machined surface image; a waveform image generating unit that generates a waveform image on the basis of the position data; a selection unit that selects a portion of the machined surface image; and a display unit that displays the waveform image corresponding to the portion of the machined surface image when a portion of the machined surface image has been selected.