BENDING FORCE CALCULATOR

Miilux uses bending force calculator which is owned and developed by Aliko Oy Ltd, one of the leading manufacturers of press brakes and tools. Aliko Oy Ltd is also pioneering developer of bending technology for mechanical engineering industry. Aliko Oy Ltd is the official distributor of Messer Cutting Systems GmbH in Finland. Read more about Aliko’s machines manufactured in Finland, representing state-of-the-art technology and quality: aliko.fi

Tensile strength, Rm (N/mm2) Target angle, α (°) Thickness, S (mm) Bending length, L (mm) V-opening, V (mm) Upper tool radius, R
Bending force, F (t)
1156.6 Inner radius, rᵢ (kun R ≤ rᵢ) (mm)
45 Flange min. lenght B (mm)
221

Please check sheet metal material and tensile strength from the list below:

Materials Rm - tensile strength (N/mm2)
Miilux 400 1250
Miilux 450 1400
Miilux 500 1650
Protection 400 1250
Protection 450 1450
Protection 500 1600
Mild steel S235 510
Mild steel S355 630
Strenx 600 MC 650-820
Strenx 700 MC 750-950
Strenx 900 MC 930-1200
F 1156.6 B 221 rᵢ 45 α 90 R 80 S 18 V 300

Directive limits for cold forming bending radiuses for plate thicknesses 5-20mm

  • Miilux 400 – smallest recommended bending radius transverse rolling direction 3 x plate thickness, longitudinally rolling direction 4 x plate thickness
  • Miilux 450 – smallest recommended bending radius transverse rolling direction 4 x plate thickness, longitudinally rolling direction 5 x plate thickness
  • Miilux 500 – smallest recommended bending radius transverse rolling direction 6 x plate thickness, longitudinally rolling direction 8 x plate thickness
  • Miilux Protection 400 – smallest recommended bending radius transverse rolling direction 3 x plate thickness, longitudinally rolling direction 4 x plate thickness
  • Miilux Protection 450 – smallest recommended bending radius transverse rolling direction 4 x plate thickness, longitudinally rolling direction 5 x plate thickness
  • Miilux Protection 500 – smallest recommended bending radius transverse rolling direction 6 x plate thickness, longitudinally rolling direction 8 x plate thickness