Prufi
PRU-202Declared input

Selected extrusion clearance below drawing minimum

Sheet metal

Scope and limits

Selected recognized collar and adjacent finite 90-degree bend on the same sheet host; actual clearance to explicitly selected tangent or theoretical inside-intersection datum compared only with qualified drawing/process minimum. No Mate or CONIC threshold assumed.

Standards and references

QUALIFIED-EXTRUSION-BEND-CLEARANCE

Qualified drawing clearance: selected extrusion and bend

Source scope
Qualified drawing/process minimum with explicit tangent or virtual inside-intersection datum. Selected recognized collar on the same host as one finite exact 90-degree bend.
Implementation in Prufi
No supplier threshold adopted. CONIC PB14 page 2 shows the virtual inside-wall intersection for its burring pre-hole recommendation; Mate Rev E 2021 printed p48 has no resolving dimension drawing. Comparison uses only the declared qualified limit and datum.

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