該倒角機利用滾剪原理，對鋼板邊緣按所需角度進行剪切，以得到焊接所需的坡口。尺寸準確、表面光潔、一次成形，不需要清理毛刺，具有操作方便，工效高（每分鐘3米），能耗低等優(yōu)點。GD-20typeSheetChamferingMachinesThissheet-chamferingmachineusestherollercuttingprinciple，sothatitcancutthesteelsheetplatesintherequiredwidthandgettheneededchamferforwelding．Itfeaturesaccuratesize，cleansurface，one-timeshaping，andnoneedforcleaningburrs，convenientoperation，highoperatingefficiency(3m/minute)，andlowenergyconsumption．