Prufi
PRU-129Declared input

Hem exceeds die sheet thickness rating

Sheet metal

Scope and limits

Actual hem sheet gauge compared with explicitly declared maximum sheet gauge of selected die.

Standards and references

MATE-HEMMING-DIE-2016

Mate Precision Technologies — Spring Loaded Hemming Tools

Source scope
Explicitly selected hemming operation and actual die maximum sheet gauge. One solid is required; mixed-gauge compounds remain unassessed.
Implementation in Prufi
How They Work: each die has a maximum material thickness; folded stack doubles thickness. Compare declared die sheet-gauge rating with measured uniform fold gauge for paired analytic 170–270-degree fold and two attached flats. No tonnage, material ductility or teardrop shape feasibility claim.

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