Transactions of Materials and Heat Treatment

Title：Experimental research on energy consumption in two kinds of electro-hydraulic proportional high-speed hydraulic press

Authors： Wang Feixue Cao Xiaoming Yao Jing Li Bin Kong Xiangdong

Unit： Yanshan University National and Local Joint Engineering Center for Advanced Forging Press Forming Technology and Equipment Hebei Province Laboratory of Heavy Machinery Fluid Power Transmission and Control

KeyWords： hydraulic press valve control system hign-speed forging energy consumption accumulator

ClassificationCode：TH137.5

year,vol(issue):pagenumber：2016,41(5):73-77

Abstract：

For the electro-hydraulic proportional high-speed forging hydraulic presses controlled by four-channel MIMO and accumulator respectively according to the energy consumption, their working and control principles were introduced, and the energy consumption calculation models were set up respectively. According to experiment platform of forging hydraulic press 0.6 MN, the experimental researches on control characteristic and energy consumptions were carried out under high-speed forging conditions respectively, and their energy consumption distribution rules were obtained respectively. Result shows that both these two systems have good position tracking and their position error under loading can be limited within 1 mm. However, they have serious overflow and throttling losses, and the proportion of useful work to the total input power is low, which is 5.4% and 7.8% in the high-speed forging hydraulic press system by four-channel MIMO control and accumulator respectively.

Funds：

国家科技重大专项(2013ZX04003-031)；燕山大学重型机械协同创新计划课题(ZX01-20140400-01)；燕山大学青年教师自主研究计划课题(14LGA006)

汪飞雪(1980-)，男，博士，副教授姚静(1978-)，女，博士，副教授

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