Calculate the greatest diameter for 60kN punch press which is to Punch hole. Shear stress =...
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Calculate the greatest diameter for 60kN punch press which is to Punch hole. Shear stress = Shear Force Shear Area ⚫ Shear stress = 0.8 x tensile stress ⚫ Tensile stress of St33 plate is 330 N ⚫ Thickness = 3mm ⚫ Cut out diameter = 25mm mm² die Area of Shear =(2 x x radius) x thickness 7x Diameter of cutout x thickness punch IN cut-out Calculate the greatest diameter for 60kN punch press which is to Punch hole. Shear stress = Shear Force Shear Area ⚫ Shear stress = 0.8 x tensile stress ⚫ Tensile stress of St33 plate is 330 N ⚫ Thickness = 3mm ⚫ Cut out diameter = 25mm mm² die Area of Shear =(2 x x radius) x thickness 7x Diameter of cutout x thickness punch IN cut-out
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