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[CN 201721733316.7] Hydraulic system of multi-cylinder linkage hydraulic press
[CN 201721733316.7] Title of Hydraulic System of Multi-cylinder Linkage Hydraulic Press: Application Number of Hydraulic System of Multi-cylinder Linkage Hydraulic Press: CN 201721733316.7 Applicant: Anhui Tianshui Hydraulic Machine Tool Technology Co., Ltd. Application Date: 2017-12-13 Patent Type: Utility Model The utility model discloses a hydraulic system of multi-cylinder linkage hydraulic press, belonging to the technical field of hydraulic press. It includes a main cylinder control part for controlling the action of the main cylinder. The main cylinder control part includes cartridge valve III, cartridge valve IV, two-position four-way solenoid valve II, shuttle valve I, two-position four-way solenoid valve III, cartridge valve V, overflow valve IV, overflow valve V, two-position four-way solenoid valve IV, cartridge valve VII, two-position three-way solenoid valve I, cartridge valve IX and two-position three-way solenoid valve II, two-position four-way solenoid valve III control cartridge valve IV, two-position four-way solenoid valve IV control cartridge valve V, two-position three-way solenoid valve I control cartridge valve VII, two-position three-way solenoid valve II control cartridge valve IX. The utility model can make the system pressure of the hydraulic press stable and reliable when large workpieces are pressed and bent, and the impact load of the pipeline is relatively small, which is beneficial to prolong the service life of hydraulic components such as oil cylinders and pipelines.
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