Force required to bend sheet metal with a bending brake

[HCaduser]

I want to know the force required to bend a piece of sheet metal in a hand bending brake. The sheet metal is clamped down and then bent upwards to a desired angle. The action is performed in the video below . Let's say I wanted to bend a piece of .032" thick AL 3' long to 110° (given the brake was able to make this degree of bend). How much force would be required to make this bend using this bending method?

 

[Bystander]

"How much force?" Depends on the actual bend radius, how sharp an "edge" you have on the break.

 

[HCaduser]

"Edge" is a radius of .04" And the bend radius is .045".

 

[Bystander]

What's the volume of metal in the bend that is being permanently deformed?

 

[HCaduser]

.11in^3

 

[Bystander]

.032" thick AL 3' long

times

bend radius is .045".

times 2pi/4

6.912in^3

Don't think so.

 

[berkeman]

I Googled Force to Bend Sheet Metal, and got a number of calculators that should help you with this...

https://www.google.com/search?sourc...+metal&gs_l=hp...0.0.0.0.1976...0.dLYsCWuKpgI

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