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[CN 201610012752.9] Precision synchronous hydraulic control system for two side cylinders of high pressure forming hydraulic press in pipe
[CN 201610012752.9] Title of precision synchronous hydraulic control system for both sides of high-pressure forming hydraulic machine in pipe: Application number of precision synchronous hydraulic control system for both sides of high-pressure forming hydraulic machine in pipe: CN 201610012752.9 Applicant: Guangdong Sihao Hydraulic Machinery Co., Ltd. Application Date: 2016-1-5 Patent Type: Invention Application The present invention discloses a precision synchronous hydraulic control system for both sides of cylinders of high-pressure forming hydraulic machine in pipe, including proportional pressure and flow compound valve, one-way valve 1, three-position four-way electromagnetic directional valve 1, one-way throttle valve, pressure reducing valve, two-position electromagnetic directional valve 1, one-way valve 2, one-way valve 3, overflow valve 1, overflow valve 2, hydraulic control one-way valve 1, hydraulic control one-way valve 2, three-position four-way electromagnetic directional valve 3, two-position electromagnetic directional valve 2, synchronous cylinder, right cylinder, right cylinder, left cylinder, motor, one-way oil tank, the synchronous cylinder has two rod cavities and one rodless cavity, the left cylinder and the right cylinder each have a rod cavity and a rodless cavity, and the oil circuits of the left cylinder and the right cylinder are respectively provided with pressure The sensor 1 and the pressure sensor 2 are characterized by the following working principles: a. The left cylinder and the right cylinder advance synchronously; B, the left cylinder and the right cylinder retreat synchronously; C, the left side cylinder is pushed separately; D, the left side cylinder is pushed separately; E, the right side cylinder is pushed separately, and F, the right side cylinder is pushed separately.
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