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Hydraulic systems, as the core of hydraulic presses (HPs), have been widely recognized for their smooth transmission, ease of control, and small size [1]. However, they are famous for their high ...
DOI: 10.1016/j.enconman.2020.113196 Corpus ID: 224906232 Analysis of energy characteristic and working performance of novel controllable hydraulic accumulator with simulation and experimental methods Hydraulic fineblanking press is a kind of high-end ...
In general hydraulic press, only 7.07% input energy of the hydraulic system is converted into the forming energy process [5], as shown in Fig. 1. To explore the mechanism of the low energy efficiency of hydraulic system, Zhao et al. [6] established an energy flow model with a practical simplification method for the hydraulic system.
Accumulators come in a variety of forms and have important functions in many hydraulic circuits. They are used to store or absorb hydraulic energy. When storing energy, they receive …
Hydraulic fineblanking press is a kind of high-end hydraulic metal forming devices and widely applied in automotive and appliance industry. However, it …
hydraulic c ylinders and hydraulic accumulator w as proposed to recovery the potential energy of the 116 bucket, the stick and the boom, which gained comprehensive energy-saving rate is 41.6 % ...
A hydraulic accumulator is a pressure storage reservoir in which an incompressible hydraulic fluid is held under pressure that is applied by an external source of mechanical …
1 1 Research on energy saving and performance 2 enhancement of high-end hydraulic press with 3 controllable accumulator 4 Lin Hua1, 2#, Zhicheng Xu1 2, 4 #, Yanxiong Liu1, 2, Xinhao Zhao1, 3 5 Abstract: Hydraulic fineblanking press is a kind of high-end hydraulic metal forming devices and ...
A hydraulic press is a closed energy-conversion system comprising electric energy, mechanical energy, hydraulic energy, and deformation energy. In this …
Results show that in comparison with the energy and time consumption of the original 630 kN hydraulic press, the energy-saving potential has reached 17.34%, and the production efficiency can be ...
1. Introduction Featuring with high power ratio, high reliability, convenient stepless speed regulating, auto-control and flexible transmission direction, hydraulic systems are widely applied in various fields, such as metal forming manufacturing filed [1], mobile machines [2], hydraulic lifting [3] and wave energy recovery [4] and so on.
Accumulators with larger capacities are typically used in applications with high-energy demands and frequent pressure fluctuations, such as heavy machinery, hydraulic presses, and power plants. Smaller accumulators with lower capacities are suitable for applications with lower energy demands, such as machine tools and industrial processes with less …
The hydraulic accumulator, Figure 2.31, is an energy storage device in which one end is closed and another is connected to the hydraulic pipes. The hydraulic accumulator is divided into three parts: compressed gas (air chamber), piston, and hydraulic fluid (oil chamber). Sign in to download full-size image.
Energy improvement of fineblanking press by valve-pump combined controlled hydraulic system with multiple accumulators Journal of Cleaner Production, Volume 257, 2020, Article 120505 Zhicheng Xu, …, Xiaokai Wang
To improve the useful energy efficiency of a hydraulic fine-blanking press (HFBP), a hydraulic system using a combined valve-pump combined with multiple …
Tel.: +86-139-6669-6141. E-mail address: li122425yu@126 Abstract Hydraulic presses are large energy consumers in metal forming processes. In order to reduce carbon intensity and improve the energy efficiency, the overall carbon emissions of hydraulic presses was firstly analyzed.
Yes. Hydraulic accumulators can store hydraulic fluid energy and release it as needed in the hydraulic system but only for a relatively short period of time (see Figure 1). The energy stored under pressure in an accumulator can be used when a short-term large volume of hydraulic fluid energy is needed. For example, a hydraulically operated ...
Sun W, Virvalo T. Accumulator-pump-motor as energy saving system in hydraulic boom. In Koskinen KT, Vilenius M, editors, The Eight Scandinavian International Conference on Fluid Power, Proceedings of the Conference, May 7-9, 2003, Tampere, Finland, SICFP´03.
Each part of a hydraulic press dissipates a large amount of energy when energy or power is transmitted. Therefore, this study proposes a 3-D vertical …
Each part of the hydraulic press (HP) dissipates a large amount of energy when hydraulic power units transfer energy to hydraulic actuators. Statistically, …
To enhance the energy efficiency of the hydraulic system, this study introduced a novel approach – a multi-stage pressure source system comprised of …
DOI: 10.1016/j.jclepro.2020.120505 Corpus ID: 213166802 Energy improvement of fineblanking press by valve-pump combined controlled hydraulic system with multiple accumulators The fine blanking process has the highest forming accuracy in …
Dai et al. [19] applied a hydraulic accumulator to a 20 MN fast forging hydraulic press to realize energy conversion by absorbing large flow-pressure pulses and hydraulic shock.
For hydraulic presses, which are widely used but notorious for their low energy efficiency, Li et al. [146] [147][148] proposed a series of ways to reduce energy consumption, including ...
Table Of Contents. A hydraulic press is a machine that uses liquid as a medium to transfer energy to achieve various forging processes. The hydraulic press is made according to Pascal''s principle, and its working principle is shown in Figure 1-1-1. Two closed cavities filled with working fluid and having pistons are connected by pipes.
Hydraulic fineblanking press is a kind of high-end hydraulic metal forming devices and widely applied in automotive and appliance industry. However, it suffers from the defeat of high energy consumption low energy efficiency. To solve the problem, this study proposed a power-matching strategy by using a novel controllable …
supplants the market of conventional hydraulic presses [6]. However, the HFBP has suered from low energy e-ciency, even lower than 20% [7 ], most of which is attributed to the low energy eciency of its hydraulic transmission system [8]. Therefore, it is urgent
The accumulator-assisted fast forging hydraulic press has gained popularity because of its advantage in energy saving [24]. However, the accumulator has a significant impact on the motion control performance of the fast forging hydraulic press, and the smooth and accurate motion control of the press is a difficult task [25] .
When it comes to energy recovery, an energy regeneration system is used to recover and store in an accumulator the kinetic energy or gravity potential energy of the hydraulic press slider …
In this study, a novel double-stage hydraulic system incorporating a hydraulic controllable accumulator (HCA) was proposed to simultaneously improve the energy and working efficiency of the hydraulic fineblanking press.
To enquire about Boch Rexroth accumulators and all your hydraulic requirments, please call 01709 821002, email: sales@neilson-hydraulics .uk or visit: One essential component of hydraulic systems is the accumulator, which stores hydraulic energy to provide instantaneous power when needed.
332 Mengdi Gao et al. / Procedia CIRP 48 ( 2016 ) 331 – 335 Summarizing the findings above, it can be claimed that, the energy saving method and low carbon design of hydraulic press mainly ...
Hydraulic fineblanking press is a kind of high-end hydraulic metal forming devices and 5 widely applied in automotive and appliance industry. However, it suffers from the defeat of high energy 6 consumption low energy efficiency. To solve the problem, this study proposed a power-matching 7 strategy by using a novel controllable accumulator which …
Energy saving and performance enhancement of hydraulic fineblanking press assisted with controllable hydraulic accumulator for The International Journal of Advanced Manufacturing Technology ( IF 3.4Pub Date : 2024-02-05, DOI: 10.
The 20MN energy savings fast forging press hydraulic system design. May 2011. DOI: 10.1142/9789814324052_0068. Conference: Engineering Plasticity and its Applications - 10th Asia-Pacific ...
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