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Surface topography obtained in side milling processes as a function of eccentricity and of the helix angle
Buj Corral, Irene; Vivancos Calvet, Joan; González Rojas, Hernan Alberto
Universitat Politècnica de Catalunya. Departament d'Enginyeria Mecànica; Universitat Politècnica de Catalunya. TECNOFAB - Grup de Recerca en Tecnologies de Fabricació
In the present paper results about simulation of surface topography in side milling with cylindrical milling tool are presented. Different values for grinding errors of tool radii and for eccentricity were taken into account. In addition, different helix angles were considered. When grinding errors increase, effective radius of some cutting teeth increases. This tends to reduce the number of machining marks per tool revolution. Eccentricity produces a similar effect. Provided that the tool has eccentricity and helix angle, different profiles will be obtained at different workpiece’s heights. If eccentricity is high enough, roughness heterogeneity bands are found at different heights on the workpiece’s surface. In the roughness bands the number of cutting teeth marks per revolution is higher than in other areas. The higher helix angle the narrower width of heterogeneity bands. However, maximum and minimum roughness values along the workpiece’s height are the same, regardless of helix angle.
Àrees temàtiques de la UPC::Enginyeria mecànica
Eccentrics and eccentricities
Eines de tall
Attribution-NonCommercial-NoDerivs 3.0 Spain

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