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11-20 Asignación óptima de valores nominales y tolerancias a un ...

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I. González et al. XIX Congreso Nacional <strong>de</strong> Ingeniería Mecánica 8• Valores óptimos <strong>de</strong> las <strong>tolerancias</strong> superior e inferior, y <strong>valores</strong> óptimos <strong>de</strong> los límites<strong>de</strong> <strong>tolerancias</strong> <strong>de</strong> las variables X :TS1:0.17 mm TI1:0.03 mm X1: [ 25.00,25.<strong>20</strong>]TS2 :0.19 mm TI2 : 0.03 mm X2:[ 50.33,50.55]TS3:0.<strong>20</strong> mm TI3:0.06 mm X3: [ 75.08,75.34]TS4 :0.26 mm TI4 :0.10 mm X4:[ 100.84,101.<strong>20</strong>]TS5:0.16 mm TI 5:0.03 mm X5:[ 25.04,25.23]TS6 :0.12 mm TI6 :0.03 mm X6:[ 25.62,25.77]TS7 :0.14 mm TI7 :0.03 mm X7:[ 51.27,51.44]TS :0.18 mm TI :0.07 mm X :[ 75.94,76.19]8 8 8• Suma total <strong>de</strong> <strong>tolerancias</strong> (valor que se buscaba maximizar): 1.8mm.5. CONCLUSIONESLa metodología propuesta es <strong>un</strong>a metodología bastante general que pue<strong>de</strong> ser aplicada amuchos problemas reales. La metodología tiene en cuenta la posible <strong>de</strong>pen<strong>de</strong>ncia entre lasvariables <strong>de</strong> diseño y no asume ningún mo<strong>de</strong>lo <strong>de</strong> probabilidad específico <strong>de</strong> dichasvariables. Su aplicación es sencilla y no necesita algoritmos <strong>de</strong> optimización complejos. Parasu aplicación, es necesario disponer <strong>de</strong> <strong>un</strong> conj<strong>un</strong>to <strong>de</strong> datos <strong>de</strong>l proceso <strong>de</strong> fabricación, es<strong>de</strong>cir, disponer <strong>de</strong> datos <strong>de</strong>l proceso <strong>de</strong> fabricación <strong>de</strong> la pieza o conj<strong>un</strong>to mecánico que seanaliza.6. REFERENCIAS[1] I. González e I. Sánchez, Statistical tolerances synthesis with correlated variables,Mecanism and Machine Theory, 44 (<strong>20</strong>09), 1097-<strong>11</strong>07.[2] I. González e I. Sánchez, Diseño óptimo <strong>de</strong>l valor nominal y las <strong>tolerancias</strong> <strong>de</strong> <strong>un</strong>conj<strong>un</strong>to <strong>de</strong> variables correladas, Congreso Nacional <strong>de</strong> Ingeniería Mecánica, CiudadReal, España, (<strong>20</strong>10).[3] S. Director, G. Hatchel, The simplicial approximation approach to <strong>de</strong>sign centering, IEEETransactions on Circuits and Systems, 7 (1977), 363-372.[4] G. Derringuer, R. Suich, Simultaneous optimization of several response variables,Journal of Quality Technology , 12 (1980), 214-219.[5] A. Jeang, Combined parameter and tolerance <strong>de</strong>sign optimization with quality and cost,International Journal of Production Research, 39 (<strong>20</strong>01), 923-952.[6] A. Jeang, Optimal Parameter and Tolerance Design with a Complete Inspection Plan,International Journal of Advanced Manufacturing Technology, <strong>20</strong> (<strong>20</strong>02), 121-127.[7] K. Sivakumar, S. Balamurugan, S., S. Ramabalan, Simultaneous optimal selection of<strong>de</strong>sign and manufacturing tolerances with alternative process selection, Computer-Ai<strong>de</strong>dDesign, 43 (<strong>20</strong><strong>11</strong>), <strong>20</strong>7-218.[8] Hyvärinen, A. and Oja, E., In<strong>de</strong>pen<strong>de</strong>nt component analysis: algorithms andapplications, Neural Networks, 13 (<strong>20</strong>00), 4<strong>11</strong>-430.

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