Open back press with dry clutch and shearing block protector (JF21) The body of the JF21 Series power press are welded with steel plate and with hign intensity. It adopts the combined pneumatic friction clutch and brake while the cluster gear adopts the flooding oil lubrication, so it works very smooth and very low noise. Besides, it has six-face rectangle lengthen guide. Rigid pressing down style overload protector.
