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[CN 201710948822.6] A Hydraulic Press Energy Recovery and Slider Gravity Balance System
[CN 201710948822.6] a hydraulic machine energy recovery and slider gravity balance system title: a hydraulic machine energy recovery and slider gravity balance system application number: CN 201710948822.6 applicant: Nantong forging equipment co., ltd. application date: 2017-10-12 patent type: invention application the present invention discloses a hydraulic machine energy recovery and slider gravity balance system, it mainly includes return cylinder, accumulator group, hydraulic pump, first two-way electro-hydraulic reversing valve, second two-way electro-hydraulic reversing valve, electromagnetic relief valve, back pressure relief valve, accumulator group pressure limiting relief valve and one-way valve. The invention has the ability to continuously transform, absorb and release energy during the working process of the hydraulic press, and offsets part of the gravity of the slider assembly during the return process of the slider, which reduces the energy consumption of the hydraulic press under the same production efficiency Or the advantages of improving production efficiency under the same energy consumption, no additional hydraulic actuators are required during application, and integration is convenient, it is especially suitable for hydraulic presses with large slider quality or fast working speed, and at the same time helps to reduce the failure rate of hydraulic presses and improve the service life.
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