Identifying joints and defective joints! A significant decrease in the transmission pulse of defective joints was observed.
The issue is the bonding defects (delamination between layers) that occur during the plywood lamination process, and the aim is to detect them. We confirmed the condition of the adhesive joints using air-coupled ultrasonic testing. In the case of bonding defects (delamination between layers), the transmitted pulse decreases, allowing us to distinguish between the bonded area (blue) and the defective area (yellow/red) in the testing results. Additionally, the bonding areas of the plywood are less affected by material noise, and the transmission rate is good, making the decrease in the transmitted pulse of the defective areas clearly observable. Our company offers the air-coupled ultrasonic testing device 'GSCAN type.AERO,' which allows for non-destructive testing and image processing of materials without contact. 【Features】 ■ In the experiment, plywood (450mm long × 150mm wide × 18mm high) was prepared, and the transmitting probe and receiving probe were arranged opposite each other, with the plywood placed in between for testing. ■ The transmitted ultrasound passes through the plywood, and the ultrasonic signals are received. ■ In the case of bonding defects, part or all of the ultrasound is obstructed, resulting in a lower height of the received transmitted pulse compared to the sound areas. *For more details, please refer to the PDF document or feel free to contact us.
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**Features of the Airborne Ultrasonic Testing Device "GSCAN type.AERO"** - A non-destructive testing image processing system that can inspect materials using a non-contact medium. - Applicable to materials where water and oil cannot be used. - Capable of detecting interlayer delamination of φ5mm in CFRP materials with a thickness of up to 120mm. - Can detect unbonded areas of φ7mm at adhesive joints (based on results from artificial defects). *For more details, please refer to the PDF document or feel free to contact us.*
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For more details, please refer to the PDF document or feel free to contact us.
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We will leverage high-precision inspection technology in fields such as aerospace, railways, automobiles, materials, and building materials to contribute to quality management in the manufacturing and passenger transport industries, providing a safe and secure living environment. Please feel free to contact us regarding the development, manufacturing, sales, and consulting of non-destructive testing equipment and ultrasonic flaw detectors for inline and offline systems on manufacturing lines where quality management is crucial.