Supporting pressure closed-loop control system and method for hydraulic forging press
A technology of supporting pressure and closed-loop control, applied in the field of forging hydraulic presses, can solve problems such as rigidity, and achieve the effect of stable supporting pressure and avoiding impact
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[0020] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:
[0021] see figure 1 , a method for closed-loop control of the support pressure of a forging hydraulic press, the forging hydraulic press is a forging hydraulic press equipped with a pressure sensor and a proportional servo valve, and in this specific embodiment, the nominal force of the forging hydraulic press is 150mm / s at a working speed of 33.3MN, The working speed under the nominal force of 66.6MN is 75mm / s, and the working speed under the nominal force of 100MN is 55mm / s. The pressure closure control system includes: pressure sensor 1, programmable controller 2, and proportional servo valve 3 ; Among them: the pressure sensor 1 is used to collect the slider supporting pressure data in the lower cavity of the slider oil cylinder; the prog...
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