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[CN201610796765.X] Control method for hydraulic system of guillotine shears
[CN201610796765.X] A control method for the hydraulic system of a guillotine shears Title: A control method for the hydraulic system of a guillotine shears Application number: CN201610796765.X Applicant: Anhui Huaxia Machine Tool Manufacturing Co., Ltd. Application date: 2016-8-31 Patent type: Invention application The present invention discloses a control method for the hydraulic system of a guillotine shears, belonging to the hydraulic press. The method of the present invention controls the hydraulic system through the sequential control of the electromagnetic overflow valve I, the on-off valve, the two-position two-way solenoid valve and the electromagnetic overflow valve II, and the on-off of the stop valve I and the stop valve II. The system unloading standby state control, preloading material control, shear control, return control, tool holder shear angle reduction or increase control, accumulator charging control and cylinder charging control. Compared with the existing hydraulic system, the hydraulic system of the gate-type shearing machine in the present invention has a greatly simplified structure and reduces production costs. This method makes the system run stably and can meet a variety of work operation requirements. The pressing action can be controlled separately and The pressure is controllable, and it is also convenient for maintenance.
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