Prufi
PRU-201Declared input

Continuous-bead lower-tool radius too small

Sheet metal

Scope and limits

Explicit actual continuous-bead lower-tool radius >=2 times measured local gauge; one complete straight rounded trapezoidal bead with four connected arcs and coplanar host legs; selected concentric partial walls and matching inner/outer sheet flats. Finished bead radius is not tool radius.

Standards and references

MATE-CONTINUOUS-BEAD-2021

Mate Technical Solutions Guide LIT00682 Rev E 2021 — Continuous Bead, printed p44

Source scope
For satisfactory continuous embossing, lower-unit radius minimum 2 times material thickness, Example 1.
Implementation in Prufi
Actual lower-tool radius and tool identity explicitly declared for one complete straight open-ended rounded trapezoidal bead: four connected equal-gauge/equal-extent arcs, coplanar inner and outer host legs, and selected inner/outer partial-cylinder walls. Their radius difference must match gauge of both adjacent inner/outer planar sheet flank pairs in a validated single solid. Never substitutes finished bead radius or assumed stock thickness. Supplier guidance only.

STEP examples for this check

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