Prufi
PRU-124Declared input

Cut feature inside actual die contact zone

Sheet metal

Scope and limits

Actual die opening and declared K-factor; cut-edge distance from developed bend centerline >= V/2.

Standards and references

SCS-ACTUAL-DIE-2026

SendCutSend — avoiding deformation in bent sheet metal

Source scope
Cut features beside bends under SendCutSend air-bending guidance.
Implementation in Prufi
Section: keep cut features at least half the die width from bend centerline. Declared V and K-factor give centerline distance as tangent clearance plus half neutral-axis bend allowance. Only analytic bend sweeps ≤135 degrees and closed contours wholly inside its axial span; no full unfold or deformation prediction.

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