What is the reason why the blade on the hydraulic pendulum shear does not lift?
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According to the China Machine Tool Network, this case requires checking the nitrogen cylinder first to see if the nitrogen is gone. If nitrogen is missing, please check the leakage of the nitrogen cylinder. Generally, the nitrogen cylinder seal aging, replace the sealing ring. The nitrogen cylinder was then refilled with nitrogen and pressure was added to 6 MPa. In this way, the blades of the hydraulic pendulum shear can be lifted normally.