Alternatively clamping by pressure release by pressure
Capable of Retaining Forces in Both Axial Directions
SITEMA Locking Units are capable of retaining forces in both axial directions. They are used in a wide variety of machines. In most versions the clamping is spring actuated, and hydraulic or pneumatic pressure is required to release it.
Shaft diameters range from 10 to 250 mm
The respective holding forces vary from 0.1 to 1000 kN, depending on style and customer requirements.