Press Brake Tonnage Calculator

The recommended V-opening width of bottom die

S 0.5-3mm 3-8mm 9-10mm >12mm
V 6*S 8*S 10*S 12*S

Inner R Formula

Inner R Formula
Allow minimum bend edge size B(mm)
165° 135° 120° 90° 60° 45° 30°
0.51×V 0.55×V 0.58×V 0.71×V 1×v 1.31×V 1.94×V

Data of V, R, B

Press Brake Bending Force Chart_MachineMfg

Air Bending Force Chart

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