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Bottene, Alex Camilli ; Atoatte, Almir ; Silva, Eraldo Jannone da ; Oliveira, João Fernando Gomes de ; Marcos, Gustavo Pollettini ;

Artigo Completo:

The growing demand for lowering emissions leads to an effort to enhance internal combustion engines performance through new engineering solutions. The functionalization of surfaces applied to crankshaft bearings represents one of the possible solutions to achieve this balance. In this method, a micrometric tailored texture is produced on the surface to optimize the fluid dynamics in the bearing, increase load capacity, bearing stability and lower general operational losses. The better performance allows downsizing these bearings, enabling a possible significant reduction on weight and fuel consumption. The project is a partnership between the School of Engineering of Sao Carlos (EESC-USP) and the ThyssenKrupp Company. It applies a new process developed in cooperation with the Laboratory for Advanced Process and Sustainability (LAPRAS). In the proposed methodology, the desired texture is inscribed in the crankshaft bearings during the grinding process, with same precision and quality associated with this vastly applied manufacturing process. For operational evaluation, tribological tests will be carried out and finally in an instrumented engine evaluation will be performed.

Artigo Completo:

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DOI: 10.5151/engpro-simea2015-PAP185

Referências bibliográficas
  • [1] YANG, Christopher et al. Meeting an 80% reduction in greenhouse gas emissions from transportation by 2050: A case study in California. Transportation Research Part D: Transport and Environment v. 14, n. 3, p. 147–156 , 2009.
  • [2] ZACHARIADIS, Theodoros. On the baseline evolution of automobile fuel economy in Europe. Energy Policy v. 34, n. 14, p. 1773–1785 , 2006.0301-4215.
  • [3] HUO, Hong et al. Fuel consumption rates of passenger cars in China: Labels versus real-world. Energy Policy v. 39, n. 11, p. 7130–7135 , 2011.
  • [4] ECKERT, Jony Javorski et al. Vehicle Gear Shifting Co-Simulation to Optimize Performance and Fuel Consumption in the Brazilian Standard Urban Driving Cycle. Blucher Engineering Proceedings v. 1, n. 2, p. 615-631 , 201
  • [5] ROMM, Joseph. The car and fuel of the future. Energy Policy v. 34, n. 17, p. 2609–2614 , 2006.
  • [6] LEDUC, Guillaume et al. How can our cars become less polluting? An assessment of the environmental improvement potential of cars. Transport Policy v. 17, n. 6, p. 409–419 , 2010.
  • [7] HOLMBERG, Kenneth; ANDERSSON, Peter; ERDEMIR, Ali. Global energy consumption due to friction in passenger cars. Tribology International v. 47, p. 221–234 , 2012.
  • [8] TUNG, Simon C.; MCMILLAN, Michael L. Automotive tribology overview of current advances and challenges for the future. Tribology International v. 37, n. 7, p. 517–536 , 2004.
  • [9] MERLO, Alberto Maria. The contribution of surface engineering to the product performance in the automotive industry. Surface and Coatings Technology v. 174 -175, p. 21–26 , 2003.
  • [10] JAMBOR, Arno; BEYER, Matthias. New cars — new materials. Materials Andamp; Design v. 18, n. 4-6, p. 203–209 , 1997.
  • [11] BRUZZONE, A. a G et al. Advances in engineered surfaces for functional performance. CIRP Annals - Manufacturing Technology v. 57, n. 2, p. 750–769 , 2008.
  • [12] NEVILLE, A. et al. Compatibility between tribological surfaces and lubricant additives-How friction and wear reduction can be controlled by surface/lube synergies. Tribology International v. 40, n. 10-12 SPEC. ISS., p. 1680–1695 , 2007.
  • [13] FUNATANI, K.; KUROSAWA, K. Improved engine wear performance via use of Nickel Ceraic Composite Coatings (NCC coat) .Metal Matric Composites. [S.l: s.n.]. , 1994.
  • [14] GRABON, Wieslaw et al. Improving tribological behaviour of piston ring-cylinder liner frictional pair by liner surface texturing. Tribology International v. 61, p. 102–108 , 2013.
  • [15] ETSION, I. Improving tribological performance of mechanical components by laser surface texturing. Tribology Letters v. 17, n. 4, p. 733–737 , 2004.
  • [16] BORGHI, A. et al. Tribological effects of surface texturing on nitriding steel for high-performance engine applications. Wear v. 265, n. 7-8, p. 1046–1051 , 2008.
  • [17] OLIVEIRA, J. F G; BOTTENE, A. C.; FRANÇA, T. V. A novel dressing technique for texturing of ground surfaces. CIRP Annals - Manufacturing Technology v. 59, n. 1, p. 361–364 , 2010.
  • [18] SILVA, Eraldo Jannone Da et al. Strategies for production of parts textured by grinding using patterned wheels. CIRP Annals - Manufacturing Technology v. 62, n. 1, p. 355–358 , 2013.
  • [19] DE OLIVEIRA, J.F. Gomes; DORNFELD, D.a. Application of AE Contact Sensing in Reliable Grinding Monitoring. CIRP Annals - Manufacturing Technology v. 50, n. 1, p. 217–220 , 2001.
Como citar:

Bottene, Alex Camilli; Atoatte, Almir; Silva, Eraldo Jannone da; Oliveira, João Fernando Gomes de; Marcos, Gustavo Pollettini; "FUNCTIONALIZATION OF SURFACES VIA GRINDING PROCESS – AN APPLICATION FOR CRANKSHAFT MANUFACTURING", p. 481-489 . In: In Anais do XXIII Simpósio Internacional de Engenharia Automotica - SIMEA 2014 [=Blucher Engineering Proceedings]. São Paulo: Blucher, 2015. . São Paulo: Blucher, 2015.
ISSN 2357-7592, DOI 10.5151/engpro-simea2015-PAP185

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