In the world of sheet and strip processing, width tells you how much material you have. But flatness tells you if that material is worth using. A coil that is perfectly wide but riddled with wavy edges, center buckles, or loose panels is a recipe for rejects, jams, and downstream processing headaches. For hot and cold mill applications, measuring flatness accurately in real-time has historically been complex and costly. That has changed with the arrival of the 2D laser scanner-based flatness measurement system. Moving beyond contact rolls and mechanical sensors, this non-contact optical system provides a comprehensive, high-speed map of the strip’s surface profile—instantly, continuously, and with extreme precision, even in the brutal environment of the rolling mill.
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