Transactions of Materials and Heat Treatment

Title：Simulation analysis on double accumulators pump-controlled stamping system in hydroforming machine for building orifice plate based on Simulink

Authors：

Unit：

KeyWords： hydroforming machine for building orifice plate accumulator pump-controlled hydraulic system energy recovery

ClassificationCode：TH132

year,vol(issue):pagenumber：2021,46(6):155-159

Abstract：

In order to improve the operation stability of stamping system in hydroforming machine for building orifice plate, a pump-controlled stamping system was proposed by introducing the method of double accumulators. Then, the pump-controlled process was realized by means of collaboration, and the simulation analysis was carried out by Simulink platform. The results show that when baking in the double accumulators mode, the oil outlet of passive motor obtains a higher pressure to optimize the braking performance, and the actual braking time is shortened by 0.3 s compared with that of the single accumulator mode. When the pressure of high pressure accumulator increases to 31 MPa, the hydraulic oil outlet of low pressure accumulator is opened, and both the high and low pressure accumulators enter the energy recovery process until the end of braking process. In addition, the low pressure accumulator compensates for the insufficient volume of high pressure accumulator to achieve rapid pressure regulation, which ensures that the single accumulator can also meet the needs of high efficient energy recovery under high pressure. Thus, the hydraulic system of this system shows good high efficiency and energy saving performance, which has certain theoretical significance for improving the operating efficiency of hydraulic system in hydroforming machine for building orifice plate.

Funds：

河南省科技攻关项目（72102310464，172102310367）

闫小春（1972-），女，学士，讲师 E-mail：yxc0557@126.com

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