How to Choose a 3D Sensor: How to Read Specifications and Four Key Points to Check
3D sensors are selected by working backward from what you want to measure before arranging the numbers in the specification sheet. The four aspects to consider are the field of view, distance, resolution, and speed, along with the conditions under which each value was obtained. The specification sheet often contains values measured with compatible targets, and it is not guaranteed that the same values will be obtained with the materials at hand. Ultimately, you need to verify with the actual object. 【Points】 - First, decide what you want to measure, where you can place it, and how much time you can use. - The numbers in the specification sheet should be read in conjunction with the measured target and conditions. - Compatibility with materials is not listed in the specification sheet, so it must be verified with the actual object. *For detailed explanations, please refer to the technical notes and downloadable materials in the related links.
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【Contents of this Technical Note】 ■ What to decide first is not the model, but "what, from where, and how much" ■ The four items in the specification sheet are read this way ■ Even the same number can have different meanings depending on what is measured ■ Cases where decisions cannot be made based solely on the specification sheet ■ Situations of incorrect choices that occur in the ordering process ■ How to proceed when verifying with the actual product 【Consultation】 We will confirm whether it can be measured or captured with the work at hand by checking the actual product. Please consult us 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 you provide.
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【Frequently Asked Questions】 Q. If the specification sheet has high resolution, can it detect fine scratches? A. Not necessarily. Resolution refers to the fineness of the values that can be displayed. Whether light reaches the bottom of the scratch or if the surface is too shiny is a different matter. We will measure the actual scratches you want to find to confirm. Q. Can’t we measure the entire area with one sensor that has a wide field of view? A. It is possible in some cases, but widening the field of view will result in a coarser detail. If the detail becomes coarser than the scratches you want to see, you should either increase the number of sensors or take multiple shots. Q. What should I prepare before making a selection? A. Four things: samples of good and defective products, the types of defects you want to find, the time available per item, and the location where the equipment can be placed. It’s fine to leave any items you are unsure about blank.
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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.




