Automotive Valve Guide
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1. Performance evaluation of carbide tools on automotive valve guides reaming / Avaliação do desempenho de ferramentas de metal duro no alargamento de guias de válvulas automotivas
Reaming is a machining process with relatively low cost and suitable when high quality holes are required. The purpose of this work is to evaluate the quality of the holes made in automotive valve guides, fabricated with sintered steel. This study was based on parameters of surface roughness, roundness and cylindricity deviations, obtained with uncoated carb
Publicado em: 2009