Calculate Radius Sheet Metal

Choose a bend radius that matches your minimum bend.

Calculate radius sheet metal.

To calculate the neutral axis distance from the inner face t we can subtract inside bend radius from r. Ultimate tensile strength psi. Here again a minimum bend radius is not necessarily the same thing as a sharp bend. The following illustration shows the equation calculation for determining the bend allowance when forming sheet metal.

Then input leg length a and b to get the flat size of the sheet. You only have to insert interior angle flange lengths k factor inside radius and material thickness. When sheet metal is bend the inside bending surface is compressed. This page also includes a link to a on line sheet metal bend allowance calculator.

With this free online tool we quickly get the sheet metal bend deduction and therefore the sheet metal blank initial flat length from the finished part measurements. A cutout or the edge of your flange to your bend. Punch edge radius in. Sheet metal calculator bend allowance equations and calculator.

Die edge radius in. Whereas the outer surface is stretched. As a result overall sheet length increases. And by having t and the sheet thickness t we can calculate the k factor as follow.

A is the bending angle in the above equation so. This calculator predicts what the minimum bend radius should be to avoid chacking or orange peeling on the outside radius of the bend. Best way to calculate k factor in sheet metal is by reverse engineering. Input material thickness and and inner radius to get the data of k factor y factor neutral layer.

Bend radii minimum bend sizes. A sharp bend will always be less than a minimum bend radius but a minimum bend radius does not need to be sharp. Cells on the right will output the desired values. Determine your minimum bend by measuring the distance from your closest feature i e.

Most sheet metal materials will conform to the calculations.