Determine the force necessary to safely die cut, a 3.5 inch diameter washer without hole (blind), with a thickness of 3/8 inch. The material to be die cut is brass ALLOY: VL - 836 = SAE 40 with the following characteristics:

Propiedades mecnicas y fsicas: Resistencia a la traccin, Kg/mm2... Punto de fluencia, Kg/mm.. Elongacin, %.... Dureza tpica, HB (10 mm/500 Kg).. Conductividad trmica, BTU.Ft/(hr.Ft.F) a 68 F. Coeficiente de expansin trmica, 10% pulg/pulg/F (68-572 F)..... Conductividad elctrica, % IACS a 68 F.. Temperatura mxima de operacin, C.. Presin mxima de operacin, Kg/mm.. 21,1 9,8 20 54-67 41,6 10 15 180 2,0 3,1