The main driving shaft is equipped with two sets of double helical self-lubricated imported polyamidesteel pinion.Main electric panel (operation and control) are equipped with Detachable Socket System with international standardized components i.e. SiemensL&TSchneider (France) etc.Quick and simple adjustment of impressions is made through two worm gears and eccentric bushes in the cam for left-right and up-down of platen to make the four corners equal.All features that make the "FRIENDS" Platen Punching Machine most simple, reliable and maintenance free.