Circular blanks of $35mm$ dia are punched from a steel sheet of $2mm$ thickness, If the clearance per side between the punch and die is to be kept as $40$ microns. The size of punch and die should respectively be

Q. A blank of $50mm$ diameter is to be sheared from a sheet of $2.5mm$ thickness. The required radial clearance between the die and the punch is $6\%$ of sheet thickness. The punch and die diameter $\left(mm\right)$ for this blanking operation respectively are

Q. Calculate the punch size in mm, for a circular blanking operation for which details
Size of blank $25$ mm
Thickness of the sheet $2$ mm
Radial clearance between
Punch and die $0.06$ mm
Die allowance $0.05$ mm

Q. A $50$ mm diameter disc is to be punched out from a carbon steel sheet $1.0$ mm thick. The diameter of the die should be (Take clearance as $3$% of sheet thickness)

Q. A metal disk of 30 mm diameter is to be punched from a sheet of 5 mm thickness. If the punch and die clearance is 4%, then the required diameter of punch is

Q. A metal disc of $20$ mm diameter is to be punched from a sheet of $2$ mm thickness. The punch and the dia clearance is $3$%. The required punch diameter is