This paper presents an improvement of a previous work, where the optimization of a two stars’ planetary concrete mixer in terms of wear resistance of blades was proposed and a new design of the mixing blades’ shape was shown and discussed. Authors propose a new validation procedure of the mixing blades in terms of wear resistance and efficiency, based on 3D optical scanners. This new wear measuring procedure is classifiable as a digital wear evaluation method, included in the field of digital tribology. All the steps and results are presented and discussed. In addition, experimental tests and results about the efficiency of the new blade in terms of discharge times are shown. The results demonstrate that the proposed new blade's geometry improves the wear resistance, extends the useful-life and enhances the discharge operation.

Wear resistance of blades in planetary concrete mixers. Part II: 3D validation of a new mixing blade design and efficiency evaluation / Maria, Cristina Valigi; Silvia, Logozzo; Mirko, Rinchi. - In: TRIBOLOGY INTERNATIONAL. - ISSN 0301-679X. - ELETTRONICO. - 103:(2016), pp. 37-44. [10.1016/j.triboint.2016.06.040]

Wear resistance of blades in planetary concrete mixers. Part II: 3D validation of a new mixing blade design and efficiency evaluation

RINCHI, MIRKO
2016

Abstract

This paper presents an improvement of a previous work, where the optimization of a two stars’ planetary concrete mixer in terms of wear resistance of blades was proposed and a new design of the mixing blades’ shape was shown and discussed. Authors propose a new validation procedure of the mixing blades in terms of wear resistance and efficiency, based on 3D optical scanners. This new wear measuring procedure is classifiable as a digital wear evaluation method, included in the field of digital tribology. All the steps and results are presented and discussed. In addition, experimental tests and results about the efficiency of the new blade in terms of discharge times are shown. The results demonstrate that the proposed new blade's geometry improves the wear resistance, extends the useful-life and enhances the discharge operation.
2016
103
37
44
Maria, Cristina Valigi; Silvia, Logozzo; Mirko, Rinchi
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/1094349
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