Sheet metal flattening machines are advanced and specialized tools used in sheet metal fabrication to flatten and straighten bent sheet metal materials with precision control, efficiency, and consistency in flattening processes. Flattening machines are used to apply controlled pressure onto sheets of metal, gradually eliminating wrinkles, deformations or residual stresses for a smooth and flat surface. Examples of such machines are press brakes, roller levelers and laser flattening systems. Press brakes use hydraulic or mechanical systems to bend and flatten sheet metal with high accuracy and repeatability, while roller levelers pass it through multiple rollers while applying pressure to gradually flatten it out. Laser flattening systems measure and adjust sheet metal shapes using laser technology for precise and uniform flatness compared to manual methods of flattening sheet metal sheets. They offer improved productivity, consistency, and quality over manual methods of flattening sheet metal sheets.