Narrow-Side Machining with 3D Detection and Pre-Clamped Alignment
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Solution Overview
Problem
Existing machining devices for processing narrow sides of workpieces, such as plate-shaped materials, face challenges in achieving high precision and consistency due to the need for precise alignment of reference edges with optical and three-dimensional structures on the main side, which is not adequately addressed by current technologies.
Innovation Solution
A processing device equipped with a detection system, like a CCD camera, to evaluate the workpiece's optical and three-dimensional structure during movement, allowing for precise alignment of the reference edge by controlling the processing device based on real-time detection data, ensuring accurate positioning and machining even when the workpiece is clamped.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the workpiece is clamped between the detection device and the processing device, then the position stability is improved, but the device complexity increases
Solution Approach 1:
The workpiece is clamped in advance between the detection device and the processing device before detection and machining operations occur. This preliminary clamping action ensures that the workpiece maintains a fixed position throughout the entire process, preventing any position changes that would compromise machining accuracy. The clamping is established before the detection device captures the optical/three-dimensional structure, ensuring consistent reference frame throughout the operation.
2Manufacturing precision
If real-time detection data is used to control the processing device, then the machining precision is improved, but the data transmission volume and processing time increase
Solution Approach 1:
The detection device captures the optical and/or three-dimensional structure of the workpiece in advance, before the processing device performs machining operations. This preliminary detection allows the system to pre-calculate the required processing parameters and positions, so that when machining begins, the processing device can execute pre-planned movements with minimal real-time computation delay. The detection results are processed offline to generate the machining path, separating the detection phase from the execution phase.
3Productivity
If the optical and three-dimensional structure is detected during workpiece movement, then the productivity is improved, but the measurement precision may deteriorate
Solution Approach 1:
The detection device captures the workpiece structure during movement, but the actual measurement and analysis are performed after the workpiece has been clamped and stabilized. The system records the optical and/or three-dimensional structure while the workpiece is conveyed, then uses this captured data to determine processing parameters once the workpiece is in its final clamped position. This approach allows continuous processing flow while ensuring measurements are taken from a stable, fixed reference frame.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This solution enhances machining accuracy and production quality by maintaining the exact position of the detected structure throughout processing, reducing data transmission volume and enabling precise control with minimal latency, thus improving the alignment and machining precision of the reference edge.
Implementation Method 1
a detection device for capturing an optical and/or three-dimensional structure from the workpiece as it moves via the conveyor system
Data Source
Figure 1
Figure 2
AI summary
Machining device (10) comprising: a machining unit (16) for machining a narrow side of a workpiece (W), a conveying unit (11) for moving the workpiece (W) in a transport direction relative to the machining unit (16), a detection unit (15) for detecting an optical and/or three-dimensional structure of the workpiece (W) moved by means of the conveying unit (11), and a holding unit (12) for holding the workpiece (W) on the conveying unit (11) at least between the position of the detection unit (15) and the machining unit (16).