Cutting Force Formula For Sheet Metal

You can calculate the punching tonnage been required with the help of the following punching force calculation formula blanking force formula.

Cutting force formula for sheet metal.

Bottom bending one of the three types of bending for sheet metal where the radius of the punch tip is pushed into the sheet metal. Punching force calculation formula. F cutting force s material thickness l total cutting length a l x s shear area tß shear strength note. Ultimate tensile strength psi.

If you punch round holes or square holes or some other forms of holes through a given thickness of metal you just want to know the force required to punch a hole in steel. The resulting drawing force cannot be used as failure criteria for cup drawing. Shear strength 80 of tensile strength. In the cutting force formula σ b plate tensile strength limit n mm.

α cutting angle. Box bending the process of bending a 4 sided sheet metal box. F s p dt where f is the maximum punch force in pounds s is the nominal tensile strength of the material being drawn psi d is the punch or cup diameter and t is the blank thickness. This equation will calculate the force required to pierce or shear sheetmetal.

Sheet metal knowledge menu sheet metal manufacturing and services. F is force required in pounds p is perimeter around area to be sheared inches t is sheet thickness in inches psi is the shear strength rating of the material in pounds per square inch. F p x t x psi. δ x plate elongation ratio.