Other toolsPiston forceCylinder speedGear ratioCNC cuttingCycle timeDrill / tapBolt torqueHardnessBend unfoldLaser cuttingStock massCAD viewer
Press brake calculator
Air-bending tonnage, recommended V opening, inside radius and bend allowance for mild steel, stainless and aluminum.
Air-bend estimates only. Die/punch geometry, grain direction and machine deflection change real force — check the brake chart.
Material
Bend angle · 90°
Inputs
Thickness
Thickness
mm
Bend length
mm
V opening
Results
Bending force
239.6kN
(≈ 24,435 kg · 24.4 ton)
- V opening
- 24 mm
- Inside radius Ri
- 3.7 mm
- Min. flange
- 16.8 mm
- Bend allowance
- 7.8 mm
Formulas
F ≈ 1.42 · σ_UTS · L · t² / V
Ri ≈ V / 6.5 (air bend)
Need motion hardware that matches these numbers?
Explore the TDR lineup or talk to applications engineering.