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[CN 201711270024.9] Hydraulic system of local loading hydraulic press


[CN 201711270024.9] Title of Hydraulic System of a Local Loading Hydraulic Press: Application Number of Hydraulic System of a Local Loading Hydraulic Press: CN 201711270024.9 Applicant: Xi 'an Jiaotong University Application Date: 2017-12-5 Patent Type: Invention Application for Hydraulic System of a Local Loading Hydraulic Press, Including Power Output System, First Loading System and Second Loading System, Power Output System and P Port Connection of Third Electromagnetic Reversing Valve, port A of the third electromagnetic directional valve is connected with port P of the first electromagnetic directional valve of the first loading system; Port B of the third electromagnetic directional valve is connected with port P of the second electromagnetic directional valve 11 connected with the second loading system. The present invention can realize multi-pass and multi-local loading step forming in one-fire heating, and continuously change the loading area in the forming process, at the same time, the function transformation of the main hydraulic system in the loading area and the hydraulic system in the unloaded area is realized, so as to expand the capacity of the forming equipment and realize the forming capacity greater than the installed power of the hydraulic system.