Applicable to ordinary low-carbon steel, galvanized sheet, extra-thick sheet, stainless steel and other materials. The working roller is made of bearing steel hardened and chrome-plated, with a hardness of HRC60±2. The electric adjustment of the correction amount replaces the manual handle adjustment method, making the operation easier. The full set of Siemens servo system is used to ensure high-precision feeding. Humanized design, combined with the safety protection system, is easy for personnel to operate.