In this work, a surface roughness analysis versus machined length of AA7050 aluminium pieces obtained by turning process has been made. The parameter selected to define the surface quality of the pieces has been the arithmetical average roughness, Ra. Its value has been analysed for a series of test-pieces obtained under different combinations of the cutting parameters values (cutting speed, feed and depth of cut). The obtained results allow affirming the Ra value, in general, has tendency to decrease when the machining length increases. Within this general tendency, Ra values increase slightly with the cutting speed and more strongly with the feed.


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    Roughness and Diameter Measurement of Turned Workpieces using Fresnel Diffraction

    Tonshoff, H. K. / Ostendorf, A. / Korthals, J. et al. | British Library Conference Proceedings | 1999


    Roughness and diameter measurement of turned workpieces using Fresnel diffraction

    Toenshoff,H.K. / Ostendorf,A. / Korthals,J. et al. | Kraftfahrwesen | 1999


    Length of radius bars

    Woods, Arthur T. | Engineering Index Backfile | 1891