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The Effects of Distributor and Striking Mass on the Performance of a Hydraulic Impact Machine
Technical Paper
2008-01-2679
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
This paper deals with numerical investigations concerning the working behavior of a hydraulic impact machine. Attention is focused on the moving elements inside the casing of the breaker, taking the main targets to be achieved by the designer into account. On one hand, there is the operating performance optimization, with particular care devoted to the impact energy of the breaker; on the other hand, the energy conversion efficiency, related to the power transmission, in order to minimize the power requirement to the feeding system.
Use of a parameterized numerical model is made in order to better understand the effects of parameters characteristic of distributor and striking mass on breaker performance and to achieve possible improvements in both impact energy and efficiency. The key-variable, which leads to better performance, is found to be the working pressure.
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Authors
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Citation
Ficarella, A., Giuffrida, A., and Laforgia, D., "The Effects of Distributor and Striking Mass on the Performance of a Hydraulic Impact Machine," SAE Technical Paper 2008-01-2679, 2008, https://doi.org/10.4271/2008-01-2679.Also In
References
- Giuffrida, A. Laforgia, D. Modelling and Simulation of a Hydraulic Breaker International Journal of Fluid Power 6 2 August 2005 47 56
- Ficarella, A. Giuffrida, A. Laforgia, D. Numerical Investigations on the Working Cycle of a Hydraulic Breaker: Off-Design Performance and Influence of Design Parameters International Journal of Fluid Power 7 3 November 2006 41 50
- Ficarella, A. Giuffrida, A. Laforgia, D. Investigation on the Impact Energy of a Hydraulic Breaker SAE paper 2007-01-4229
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