Develop the correct flat blank dimensions for a formed part by accounting for bend allowances along the neutral axis.
The flat blank for a formed part is the sum of the flat flange lengths plus the material consumed by every bend (the bend allowances along the neutral axis).
Get the bend allowances right — via K-factor or tested values — and the blank cuts to size the first time.
Formula: Blank length = Σ flat flange lengths + Σ bend allowances
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