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Bending pressure calculation formula

May 09, 2017

Bending pressure calculation formula

Formula: Tensile strength × square of plate thickness × Bending length ÷ Width of the lower mold × (1 + 4 × plate thickness ÷ width of the lower mold) = required pressure (unit KN)

tensile strength   AL:Rm=200-300
                           MS:Rm=370-450
                            SS:Rm=650-700

So you need the pressure of the bending machine is: 450 × 3 × 3 × 1.2 ÷ 18 × (1 +4 × 3 ÷ 18) = 450KN
Converted into tons of 450KN / 9.8 = 45.92 tons

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