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[CN 201621081356.3] A safe and energy-saving hydraulic press
[CN 201621081356.3] Title of a safe and energy-saving hydraulic press: Application number of a safe and energy-saving hydraulic press: CN 201621081356.3 Applicant: Wuxi Pengda Hydraulic Machine Tool Factory Application Date: 2016-9-27 Patent Type: Utility Model The utility model discloses a safe and energy-saving hydraulic press, including: a main cylinder, which is used to meet the main tonnage requirements; Quick cylinder, used to realize the quick lowering, demoulding and quick return of the slider; Slider, both the master cylinder and the quick cylinder are connected with the sliding block; the counterweight, the counterweight is connected with the sliding block through the lifting actuator, the minimum total counterweight weight weight Tz of the counterweight = the weight of the sliding block Th The total weight of the mold on the hydraulic press Tm The friction force Ts overcome by the return of the sliding block. Through the above method, the utility model eliminates the weight of the slider, reduces the return force, greatly reduces the power and energy consumption of the whole machine, reduces the oil supply of the equipment, and reduces the heat generation of the whole machine; due to the upward movement in the initial state of the slider With the trend, the equipment safety has been greatly improved; the complicated safety protection design in mechanical design, electrical programming and hydraulic design can be eliminated.
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