A method for 3D measurement without stopping the flowing work and the orientation method.
To measure in 3D without stopping the flowing workpiece, the basic method is to shine a linear light and capture cross-sections one by one, stacking them with the flowing motion. The method of taking multiple images and compositing them will collapse if the workpiece moves during shooting. However, the faster the flow, the coarser the spacing of the cross-sections, so speed and detail are a trade-off. [Key Points] - Use the flowing motion to stack cross-sections one by one. - The method of taking multiple images and compositing them collapses if there is movement. - Increasing speed reduces the detail in the direction of flow. *For detailed explanations, please refer to the technical notes in the related links and the downloadable materials.
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**Contents of this Technical Note** - The reason for wanting to measure without stopping is that it slows down when stopped. - Light sectioning takes advantage of flowing motion. - Listing the suitability and unsuitability for each method. - The faster the flow, the coarser the direction of progress becomes. - Nevertheless, there are remaining limits. - Inline 3D measurement means that the movement of transport directly translates to errors. - How to proceed when verifying with the actual object. **Consultation** I will confirm whether it can be measured or captured with the work at hand using the actual object. Please consult with a single photo.
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The technical notes can be read by anyone from the related links. We will discuss the costs of development and testing based on the details provided.
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【Frequently Asked Questions】 Q. Can I run the test that I am currently stopping and measuring as it is? A. It is often difficult to do so as is. If the method involves stopping and measuring multiple stripes, it may be necessary to reconsider the method. We will make a judgment after confirming by running it. Q. If the transport shakes, can it not be measured? A. It depends on the magnitude of the shaking. If it is small, it can be mitigated by the way of capturing or the design of the platform, but if it is large, it will remain as a shape error. Improvements on the transport side may need to come first. Q. What happens if the flow speed changes? A. If we implement a system that captures based on the distance traveled, the image will be less likely to stretch or shrink even if the speed changes. For more details, please refer to the article on synchronization.
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We specialize in 2D and 3D inspection and measurement technologies using cameras. We possess a wide range of knowledge in optics, mechanics, electronics, and software, enabling us to provide technical support for both hardware and software. Not only do we have personnel with experience working as researchers at image inspection device manufacturers, major electronic component manufacturers, and universities, but we also have numerous successful implementations of developed products in actual production environments, making our ability to adapt advanced technology to on-site needs a strong point. Additionally, we are skilled not only in developing proprietary algorithms but also in using off-the-shelf products such as image processing controllers from Keyence and Omron, allowing us to excel in selecting and utilizing the most suitable equipment for specific needs. In recent years, while AI technology has garnered attention, there are cases where utilizing 2D and 3D technologies can be implemented more easily than AI, and cases where optical devices and mechanical jigs can improve performance and reduce software load. We offer services related to image systems, including "equipment selection," "implementation support," "performance improvement of existing equipment," "technology development," and "joint development," so please feel free to consult with us first.
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