Determination of parameters of the polishing in three types of granitic rocks / Determinação de parâmetros do polimento, em três tipos de rochas graníticas

AUTOR(ES)

Damares Luiza Silveira de Carvalho

FONTE

IBICT - Instituto Brasileiro de Informação em Ciência e Tecnologia

DATA DE PUBLICAÇÃO

17/08/2010

RESUMO

The ornamental stones polishing in the industry is considered an empirical process. In this process, variables such as time, rotation speed and intensity of the load applied are combined in different operation conditions to obtain the desired brightness. Using the Polishing Rocks Simulator (SPR), this present research aims to obtain information about which combinations of these variables are the most efficient to achieve the desired brightness in each type of rock. To achieve these objectives nine combinations were compared over three types of rocks in order to analyze the influence of each rock characteristics such as composition, structure and texture. Some modifications and adjustments were made on the Glossmeter and the SPR because they could influence the results accuracy. The obtained results and analysis shows that a step can be eliminated in the abrasive polishing process. Each type of rock responds differently to the employed combinations to reach the desired brightness. These analyses conduct to a specific combination for each rock. The achieved process improvement can reduce the costs for the industry in respect of time, energy and abrasives.

ASSUNTO(S)

granitic rocks polimento polishing rochas graníticas brightness brilho

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