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Author:

Yan, X. (Yan, X..) | Chen, B. (Chen, B..) | Yin, F. (Yin, F..) | Ji, H. (Ji, H..) | Ma, Z. (Ma, Z..) | Nie, S. (Nie, S..)

Indexed by:

EI Scopus SCIE

Abstract:

The primary cause of the low energy efficiency of hydraulic presses (HPs) is the mismatch between installed power and demanded power. This study adopts the concept of a high-pressure waterjet cutting system and presents an energy-saving method to reduce the energy dissipation of HPs, where a single drive system composed of multi motor-pumps and superchargers-accumulators, is integrated into an HP and partitioned into several drive zones corresponding to load profiles. Meanwhile, a method for scheduling the above system is presented to realize an orderly energy supply with no conflict and shorten the idle time. Pump units, accumulators, and superchargers were selected according to the different load profiles to energize the actuators in various operation stages. Since the kinetic power of the hydraulic oil output from superchargers are significantly higher than those of a conventional power unit, a press with low installed power could achieve high power load operations. Finally, the proposed system was applied to a 31.5 MN forging HP as a case study. Results showed that the installed power and the energy dissipation were reduced by 56% and 52% in one working cycle, respectively. Moreover, the novel HP displayed a processing performance equivalent to that of the conventional setup. © 2023 Elsevier Ltd

Keyword:

Installed power Supercharging system Energy-saving Recovery accumulator Hydraulic press

Author Community:

  • [ 1 ] [Yan X.]Research Center of Novel Hydraulic Transmission and Control, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China
  • [ 2 ] [Yan X.]Beijing Key Laboratory of Advanced Manufacturing Technology, Beijing University of Technology, Beijing, 100124, China
  • [ 3 ] [Chen B.]State Key Laboratory of Materials Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan, 430074, China
  • [ 4 ] [Yin F.]Research Center of Novel Hydraulic Transmission and Control, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China
  • [ 5 ] [Yin F.]Beijing Key Laboratory of Advanced Manufacturing Technology, Beijing University of Technology, Beijing, 100124, China
  • [ 6 ] [Ji H.]Research Center of Novel Hydraulic Transmission and Control, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China
  • [ 7 ] [Ji H.]Beijing Key Laboratory of Advanced Manufacturing Technology, Beijing University of Technology, Beijing, 100124, China
  • [ 8 ] [Ma Z.]Research Center of Novel Hydraulic Transmission and Control, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China
  • [ 9 ] [Ma Z.]Beijing Key Laboratory of Advanced Manufacturing Technology, Beijing University of Technology, Beijing, 100124, China
  • [ 10 ] [Nie S.]Research Center of Novel Hydraulic Transmission and Control, Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, China
  • [ 11 ] [Nie S.]Beijing Key Laboratory of Advanced Manufacturing Technology, Beijing University of Technology, Beijing, 100124, China

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Source :

Energy

ISSN: 0360-5442

Year: 2023

Volume: 277

9 . 0 0 0

JCR@2022

ESI Discipline: ENGINEERING;

ESI HC Threshold:19

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 6

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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