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Efeito da Utilização de um Condicionador de Metais no Desempenho, Consumo de Combustível e Desgaste do Trem de Força de Motocicletas Novas de Baixa Cilindrada

Effect of Using a Metal Conditioner In Performance, Fuel Consumption, and Powertrain Wear of New Small-Capacity Motorcycles.

PALMA CALABOKIS, O. ; NUNES DE LA ROSA, YAMID E. ; CÉSAR, PAULO ; COUSSEAU, TIAGO ;

Artigo:

Os condicionadores de metais (CM) estão fortemente inseridos no mercado brasileiro como agentes redutores de atrito, desgaste e calor entre os componentes metálicos em movimento, principalmente em motores e caixas de transmissões. Foi estudado o efeito da adição de um CM no desempenho de duas motos novas (160 cc) em condições reais. Verificou-se um bom desempenho do óleo do motor com ou sem CM visto no equilíbrio adequado entre viscosidade, dispersância, TAN e TBN. Resultados de FTIR mostraram que certos componentes na formulação do CM não permitem a comparação direta entre óleos e misturas. O CM trouxe vantagens em termos de proteção de partes metálicas de alumínio e ferro nos primeiros 7000 km de amaciamento do motor, mas desgaste significativo das peças contendo cobre. A aferição de peças evidenciou que houveram mudanças inferiores ao 0.05% no cilindro e pistão e nas peças da caixa de câmbios, excetuando a engrenagem #5. A lubrificação do kit de relação e a engrenagem #5 com o CM aumentou significativamente sua resistência ao desgaste. O consumo de combustível foi estatisticamente igual (ANOVA, 95%) com ou sem CM. Contudo, a moto que rodou com CM manteve valores médios superiores de economia de combustível (+1 km/l), que representam um ganho 2,5% comparado com a outra moto.

Artigo:

Metal conditioners (MC) are strongly inserted into the Brazilian market as friction, wear, and heat-reducing agents between the metal components in motion, mainly in engines and transmission boxes. The effect of adding an MC on the performance of two new motorcycles (160 cc) under real conditions was studied. There was a proper balance between viscosity, dispersancy, TAN, and TBN values of the used engine oil with or without MC. FTIR results showed that specific components in the MC formulation do not allow direct comparison between oils and mixtures. The MC brought aluminum and iron metal parts protection in the first 7000 km of engine break-in, but significant wear of copper-containing parts. Accurate measurement of engine components demonstrated that there were changes less than 0.05% in the cylinder, piston, and transmission system pieces, except gear #5. The lubrication of the transmission kit (chain, crown, pinion) and gear #5 with the MC significantly increased its wear resistance. Fuel consumption was statistically equal (ANOVA, 95%) with or without MC. However, the motorcycle that drove with MC kept higher average fuel economy improvements ​​(+1 km/l), representing a 2.5% gain compared to the other motorcycle.

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DOI: 10.5151/simea2022-PAP26

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Como citar:

PALMA CALABOKIS, O.; NUNES DE LA ROSA, YAMID E.; CÉSAR, PAULO; COUSSEAU, TIAGO; "Efeito da Utilização de um Condicionador de Metais no Desempenho, Consumo de Combustível e Desgaste do Trem de Força de Motocicletas Novas de Baixa Cilindrada", p. 150-156 . In: Anais do XXIX Simpósio Internacional de Engenharia Automotiva . São Paulo: Blucher, 2022.
ISSN 2357-7592, DOI 10.5151/simea2022-PAP26

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