... loading unit,feeding conveyor unit,marking unit,two punching units,shearing unit,outfeed conveyor unit,hydraulic system ... diameters are available in each punching unit.It’s convenient to change punches and dies.Automatic tool assignment,pincher ... -powered hydraulic system,having faster response and higherefficiency.Punching,marking,shearing,Workpieceholding-down and marking groupstransposition are ...