Robot-supported ultrasonic defect testing and quality control
Using ultrasonic, defects in components and inhomogeneities can be located. Robot-supported automa-tion can reduce test costs as well as test time and make measurements reproducible. The software solu-tion of ArtiMinds Robotics supports companies in programming a force controlled application with less effort and in automating path planning for complex components.
Ultrasonic testing is a widely used non-destructive test method to check cast parts for invisible defects such as blowholes, pores or cracks. Since the acoustic properties of the material change if those casting defects are present, the ultrasonic sound pulse is reflected and sent back to the test head.
For a successful test, a constant contact pressure of the test head is important. This can be ensured by using a force/torque sensor. In this way, the robot can move force controlled along the trajectory of e.g. a wheel rim to detect non visible defects with the ultrasound test. All sensor data and test results are automatically and completely documented.
Software solutions such as ArtiMinds RPS minimize the programming effort occurring for complex com-ponent geometries. The robot movement or path is generated automatically based on the CAD object of the component, which can be imported with one click. This simplifies programming and eliminates the need for manual teaching of complex trajectories. In addition, special, predefined program tem-plates support the force controlled movement of the component, so that the alignment of the test head on curved surfaces is carried out automatically without the need to integrate a camera.
Application video: https://www.youtube.com/watch?v=2uclRIcxG1w
Featured Product
3D Vision: Ensenso B now also available as a mono version!
This compact 3D camera series combines a very short working distance, a large field of view and a high depth of field - perfect for bin picking applications. With its ability to capture multiple objects over a large area, it can help robots empty containers more efficiently. Now available from IDS Imaging Development Systems. In the color version of the Ensenso B, the stereo system is equipped with two RGB image sensors. This saves additional sensors and reduces installation space and hardware costs. Now, you can also choose your model to be equipped with two 5 MP mono sensors, achieving impressively high spatial precision. With enhanced sharpness and accuracy, you can tackle applications where absolute precision is essential. The great strength of the Ensenso B lies in the very precise detection of objects at close range. It offers a wide field of view and an impressively high depth of field. This means that the area in which an object is in focus is unusually large. At a distance of 30 centimetres between the camera and the object, the Z-accuracy is approx. 0.1 millimetres. The maximum working distance is 2 meters. This 3D camera series complies with protection class IP65/67 and is ideal for use in industrial environments.
