This series of press are general-purpose with open type crank.It is widely used in punching,blanking,bending,shallow stretching,formation and other cold punching technics.It is produced with integral cast iron,so it will keep a good balance.

The transmission is by two gears,the rigidity clutch  makes operate simple.The machine adopts collapse overload protection,safe and reliable.JD21 is equipped with safety double solenoid valve and imported pneumatic friction clutch as well as PLC controlling system.

The models over 160 tons use the lift balancer device.