Deep-drawing and punching tools combine a punch and die for forming or piercing sheet-metal blanks. The punch must match the die contour precisely; with tight 5–10 µm tolerances, high measurement confidence is required. The clearance fit between punch and die governs forming quality and burr formation, so comparing both components against the same reference is essential.
Optical image processing captures the contour, while a tactile scanning probe complements sidewall geometry for precise verification. Probe and changer retraction axes improve access to deep cavities.
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