Ultrasonic Distance Sensor Solution for Detecting Semi-Finished Products in Hot Rolling Steel Production Lines

In the hot rolling process of steel production, the automated handling of cooled semi-finished products (such as steel ingots and plates) under harsh conditions—high temperatures, heavy dust, and strong vibrations—is critical to ensuring continuous production and equipment safety. Traditional contact-based detection methods are prone to failure due to issues such as heat damage, mechanical wear, and environmental contamination. Optical sensors, on the other hand, are often affected by factors like oxide layers, surface reflections, and color variations on metal materials, leading to false or missed detections.