Cutting Force Formula For Sheet Metal

The resulting drawing force cannot be used as failure criteria for cup drawing.

Cutting force formula for sheet metal.

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. Thus the force equals pressure times the cross sectional area of the cup wall. Box bending the process of bending a 4 sided sheet metal box. This equation will calculate the force required to pierce or shear sheetmetal.

You can calculate the punching tonnage been required with the help of the following punching force calculation formula blanking force formula. Ultimate tensile strength psi. Sheet metal knowledge menu sheet metal manufacturing and services. F p x t x 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. Blanking the process of cutting flat patterns from stock sheeting done typically with lasers water jets plasmas or punch presses. In the cutting force formula σ b plate tensile strength limit n mm. The cutting force calculation of inclined blade shear with blade support in straight motion mainly use the norshari formula by the former soviet scholar.

Punching force calculation formula. 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. δ x plate elongation ratio. F cutting force s material thickness l total cutting length a l x s shear area tß shear strength note.