Sheet metal flattening is an integral process in manufacturing industries, designed to produce perfectly flat and even surfaces on metal sheets. Sheet metal flattening techniques have transformed many industries, enabling the production of superior components and structures. Before the advent of these techniques, sheet metal often had inherent imperfections like curvature, warping or residual stresses which compromised its integrity and performance in final products. Now, thanks to advances in technology and the introduction of specialized equipment like roller levelers, hydraulic presses, and stretch leveling machines, manufacturers are more effectively flattening and leveling sheet metal, resulting in greater dimensional accuracy, enhanced product quality, and easier assembly processes. Sheet metal flattening has become a crucial step in manufacturing processes to ensure metal components meet stringent quality standards while performing optimally across applications.