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Maintenance of hydroerosive grinding efficiency based on particle size distribution of abrasive fluid

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Abstract

The hydroerosive grinding is one of the processes to manufacture diesel injection nozzles, being responsible for finishing injection holes. The process made use of an abrasive fluid under high pressure into these channels. Its efficiency depends on the physical properties of the abrasive fluid. Based on a previous investigation, this study verified the possibility of using a different particle size distribution of boron carbide to improve the process efficiency. All experiments were carried out in an industrial environment. The variation in process efficiency was compared with the maintenance of the viscosity along the production, and at the same time, the concentration of solids was constantly monitored. The alteration of particle size distribution was not suitable, causing an increase in the average particle size. In addition, we have verified that the concentration of solids presented a major influence on the process efficiency, being the lower the concentration, the lower the efficiency.

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Acknowledgements

The authors would like to express their gratitude to Robert Bosch Ltda for providing funding as part of Project ACT 02/2013. G. Pintaude would like to thank CNPq for the financial support provided under Project 308416/2017-1.

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Authors and Affiliations

  1. Universidade Tecnológica Federal do Paraná, Campus Curitiba, Rua Deputado Heitor Alencar Furtado, 5000, Curitiba, Paraná, 81280-340, Brazil

    Giuseppe Pintaude & Pâmela P. Moreira

  2. Instituto Federal do Paraná, Campus Paranaguá, Rua Antônio Carlos Rodrigues, 453, Paranaguá, Paraná, 83215-750, Brazil

    Marina I. Grabarski

Authors
  1. Giuseppe Pintaude
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  2. Marina I. Grabarski
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  3. Pâmela P. Moreira
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Correspondence to Giuseppe Pintaude.

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Technical Editor: Márcio Bacci da Silva, Ph.D.

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Pintaude, G., Grabarski, M.I. & Moreira, P.P. Maintenance of hydroerosive grinding efficiency based on particle size distribution of abrasive fluid. J Braz. Soc. Mech. Sci. Eng. 41, 94 (2019). https://doi.org/10.1007/s40430-019-1594-1

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  • DOI: https://doi.org/10.1007/s40430-019-1594-1

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