Welding seam detection sensor (applicable for metal detection and distinguishing between magnetic and non-magnetic materials)
ES Series
We will detect the welded parts using eddy currents. Since it is based on eddy currents, detection is possible even if surface finishing, mirror finishing, painting, or plating has been applied.
This product is a welding position detection sensor that uses the eddy current method. It detects the welding joint position of magnetic materials moving in the same direction (non-destructive testing). The sensor detects the welding joint as a change in analog voltage, and the detected analog signal is converted into ON/OFF signals for a transistor by a comparator and outputted (analog output is also available). It is not affected by surface treatments (mirror finish, sandblasting, shot blasting, painting, plating, anodizing, etc.), so there is a possibility of detecting workpieces that could not be detected by image sensors (image processing) or laser sensors. It can detect metals regardless of whether they are magnetic or non-magnetic, but detection may be difficult depending on size and shape. Therefore, we suggest starting by discussing your needs, borrowing the target workpiece, and exploring the possibility of detection. We will generally respond free of charge regarding the possibility of detection, and if costs arise for fixtures or other items, we will proceed only after obtaining your consent. Please feel free to consult us about incorporating it into inspection lines, improvements, joint development, patents, confidentiality agreements, and more.
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basic information
Power supply: DC 10-30V (AC 100V-220V compatible) Output: Transistor switching output via comparator Analog output, relay output, CAN, etc. We are also flexible in accommodating other specifications and custom requests.
Price information
It will vary according to the specifications.
Applications/Examples of results
Detection of holes in the dynamo's stator (position detection to avoid welding locations) Welding detection of muffler steel pipes (to ensure welds do not interfere with bending positions) Welding detection of rotors that are wound Confirmation of welds during fire extinguisher manufacturing Welding detection of non-magnetic stainless steel pipes and steel pipes Welding detection of drums, pails, and one-gallon cans Welding detection of steel cans such as canned food and canned coffee Detection of edges of steel plates and boundaries between plates of leaf springs Detection of welding points on SUS belts Detection of joints in railway tracks Detection of wire breaks in escalator hand belts Non-destructive testing Can also be applied to edge and joint detection.
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Company information
Utilizing our original technology of saturable coils, we offer a fundamentally simple magnetic detection element technology that can be used with high precision and stability even under adverse conditions. We have received strong support from a wide range of industries, including unmanned transport carts, industrial equipment, labor-saving machines, material handling, machine tools, injection molding machines, civil engineering and construction robots, food machinery, industrial machinery, nuclear facilities, and ships. We also excel in sensors for motorsports such as F1 and Moto GP, inclinometers for construction machinery, and magnetic sensors used for ultra-high precision measurements in scientific fields. Some of our products are also used in applications like automated parking systems and golf cart guidance sensors. All of our products are developed and manufactured 100% in Japan, with over 80% of our product lineup being custom-made based on individual customer requests. We offer many custom options, including waterproof, explosion-proof, heat-resistant, water-resistant, and radiation-resistant specifications. If you have any issues related to sensing or measurement, please feel free to consult us. We connect to IoT platforms and provide laser replacement services. Our sales and technical staff are fully committed to addressing everything from minor customizations of existing products to proposing new detection principles. You can also rely on us for assistance with Kaizen initiatives. Our standard products come with a reassuring 3-year warranty. We are located in Ina, Nagano Prefecture.