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【CN 201710873714.7 】Improved braking system for hydraulic press
[CN 201710873714.7] An improved braking system for hydraulic presses Title: An improved braking system for hydraulic presses Application number: CN 201710873714.7 Applicant: Pokran Hydraulic Industrial Equipment Company Application date: 2017-9-25 Patent type: Invention application The present invention discloses a hydraulic press (1), including: a first braking element (93) and a second braking element (92); a spring washer (65), the first brake element (93) and the second brake element (92) tend to be pushed in the braking direction; and the brake release piston (61) is configured to act on the spring washer (65) in the opposite direction to the braking direction. On, the hydraulic machine is characterized: the brake release piston (61) comprises a primary brake release piston (61a) associated with a primary brake release chamber (62a) and a secondary brake release piston (61b) associated with a secondary brake release chamber (62b), said primary brake release chamber (62a) and said secondary brake release chamber (62b) extending radially around the shaft (2), projections of the primary brake release chamber (62a) and the secondary brake release chamber (62b) on a plane perpendicular to a longitudinal axis (X-X) defined by the axis of rotation of the hydraulic machine (1) are made to at least partially overlap.
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