Practical guides on metal stamping and sheet metal processes — written by our engineers, for buyers and designers.
A progressive die carries a metal strip through a series of stations — punching, bending and cutting in one press stroke — delivering thousands of identical parts per hour at the lowest per-piece cost.
High volume and repeated geometry favour stamping; low volume, large sizes and frequent design changes favour laser-cut and bent fabrication. Choosing correctly can cut your unit cost by half.
Deep drawing pulls a flat blank into a die cavity to form seamless cups and housings — no welds, no leaks. The drawing ratio and material grade decide how deep each stage can go.
Tolerance is the agreed window a dimension may vary — typically ±0.05 mm for stamped features. Tighter is not always better: sensible tolerances keep tooling cost and lead time under control.
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