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Hydraulic Press Brake

Press Brake

NC Press Brake

If you have limit budget, the NC press brake will be a good choice for you to finish sheet metal bending.

Press Brake

CNC Press Brake

CNC press brake has much higher accuracy, efficiency than NC press brake when bending metal plate.

Robotic Press Brake

Robotic Press Brake

Robotic press brake It can efficiently and accurately complete the automatic bending of sheet metal.

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Press Brake Tonnage Calculator (It’s FREE to use)

Maybe you are a manufacturer of the press brake.

Maybe you are a sheet metal processing factory and now you need to buy a press brake.

You may wondering how big press brake do I need? And you urgently need to quickly calculate the required bending tonnage.

By using the press brake tonnage calculator (also known as bending load calculator) we have made for this purpose, you only need to enter the sheet metal thickness, the bending length and our recommended vee opening width, the calculator will show the required bending force.

Of course, if you want to know exactly how the tonnage of the press brake is calculated, you can refer to this article. It details how to get the required press brake tonnage in three different ways.

Let’s start by using the press brake tonnage calculator that we have made for you.

Press Brake Tonnage Calculation Formula

The recommended V-opening width of the bottom die

S0.5-3mm3-8mm9-10mm>12mm
V6*S8*S10*S12*S

Press Brake Tonnage Calculator

 

New Bending Force Calculation Method

If the width-to-thickness ratio V/S is not equal to 9 and the radius-to-width ratio is not equal to 0.16, the above calculator will no longer be applicable.

Please check the new method for calculating the bending force of a press brake machine. The following bending force calculator should be used.

Inner R Formula

The following formula can be used to calculate the press brake bend radius:

Inner R Formula

Allow minimum bend edge size B (mm)

165°135°120°90°60°45°30°
0.51×V0.55×V0.58×V0.71×V1×v1.31×V1.94×V

Press Brake Tonnage Chart

The following press brake tonnage chart can help you get the required bending force easily. Regarding how to use the chart, you can refer to this post.

Data of V, R, B

Press brake tonnage quick lookup table

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