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Press Brake Forming Force Equation and Calculator

Manufacturing Design and Resources

Estimate the force (tonnage) for a press brake to bend or form sheet metal Equation and calculator.

Preview: Force for a press brake to bend or form sheet metal Calculator

F = (1,42 · T_s · s · L) / 1000 · V
R = (5 · V) / 32

Where:
F = Force, kN - total necessary force to execute the bend
s = Thickness, mm - thickness of material to bend
V = Width opening, mm - opening of the bending die
h = Resting part, mm - minimum necessary length of rest of the sheet before the bend
L = Width of the bend, mm - main width of the part to be bended
R = Radius, mm - internal radius of bended shape
T_s= Tensile strength, kg / mm² or N