A contribution for an optimization of the polishing quality of stone slabs: simulation and experimental study using a single-head polishing machine
| Autor: | Barbosa, A. R., Coelho, A., Fernandes, J. C., Amaral, P. M., Rosa, L. G., Pereira, J. C. |
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| Jazyk: | angličtina |
| Rok vydání: | 2015 |
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| DOI: | 10.13140/rg.2.1.4415.1769 |
| Popis: | This paper describes recent research regarding: 1) the influence of the water flow and the pressure in order to attain the best polishing in portuguese limestones; 2) the experimental validation of a polishing simulator under development at Instituto Superior Tecnico (Lisbon). The research work was carried out using slabs of calcareous stone Moleanos, from Portugal, and the polishing sequence employed commercial Frankfurt-type abrasive tools applied for the last 3 stages of the process in order to attain maximum surface gloss. The study was conducted with a single-head laboratory-type polishing machine, where all test conditions are adequately monitored and controlled. The polishing head contains 6 Frankfurt abrasives of the same grit size (320#, 400# and 5Extra). The surface quality was assessed, after each polishing stage, by means of a glossmeter. In the end, it was possible to identify the optimum working parameters for each polishing stage. The results obtained also show that indeed a correlation exists between experimental values of gloss and the abrasion data given by the simulator. International Conference on Stone and Concrete Machining (ICSCM), Vol 3 (2015) |
| Databáze: | OpenAIRE |
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