Inventor Sheet Metal K Factor

Michael davis owner of ycg inc.

Inventor sheet metal k factor.

Using ilogic to access the inventor api we created a custom iproperty and pushed the k factor from the current sheet metal style through to it. By default inventor uses a k factor for calculating bend allowances. So for a very large radius bend where the neutral axis lies right in the center of the material the k factor would be exactly 0 5 or half the thickness. Products and versions covered.

4 1 893 2 214. Share and vote on ideas for future product releases. This is not as easy as pulling a parameter through to the drawing as the k factor value is embedded in the sheet metal style of the component. Subtract twice the leg length from the initial length to determine the bend allowance.

The k factors mentioned are to suit our own press and tools of course. Owner of ycg inc. Most cad systems that have sheet metal design tools will allow you to input a k factor that the software uses to calculate the unfolding to give an accurate blank or flat pattern. The ilogic rule code is shown below.

For our example it comes to. The default k factor is 0 44 which simply means that inventor is assuming that 44 through the cross section of the part the material is not stretched or squashed when bending and therefore this slice of the folded part will give the true length of the flat pattern.