Blanking

A press operation where the cut-out piece (the blank) is the usable part and the strip is scrap.

What it means on the floor

In blanking, the punch shears a complete shape out of the strip, and the piece that falls through the die — the blank — is the part you keep. The surrounding web becomes scrap.

Blanking is contrasted with piercing, where the slug is the scrap and the strip is the part. Both share the same cutting mechanics and depend on correct die clearance.

Category: Stamping

Applying the term

Interpret Blanking in the context of the drawing, governing standard, and customer requirement in front of you — the same word can carry different limits in design, quality, and production documents. Check whether a stated value is nominal, minimum, maximum, or reference-only, and whether it applies before forming, after forming, or after heat treatment.

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