The machine tool follows the JIS-1 precision standard; ◆ Machine tool accuracy adjustment method: single-sided adjustment is adopted, with the left side being solid and the right side being tightened with cylindrical pins; The machine tool slider with a stroke of over 430mm runs smoothly and maintains good accuracy throughout the entire body guide rail; ◆ It can meet the stamping requirements of 26148, 20130 and other shells, with uniform opening size and high verticality of the stamped shell; This machine tool is widely used for the stretching process of shells such as square batteries, filters, and aerosol cans