What Is Sheet Metal Stamping?
Sheet metal stamping is a forming process where flat metal sheets are shaped into specific geometries using stamping dies.
Through a combination of cutting and forming actions, complex parts can be produced in a short cycle time with consistent quality.
Common stamping operations include punching, bending, forming, and drawing.
Common Stamping Processes
Depending on part structure and application requirements, different stamping processes can be applied:
Blanking – Cutting the external contour of a part
Punching – Creating holes or internal features
Bending – Forming angles or flanges
Forming – Shaping without cutting material
Deep Drawing – Producing hollow or cup-shaped parts
Progressive Stamping – Multiple operations completed in one continuous process
Each process can be used independently or combined based on design complexity.
Materials Used in Sheet Metal Stamping
A wide range of metals can be processed through stamping:
Carbon Steel (SPCC, DC01, Q235)
Stainless Steel (SUS304, SUS316, SUS301)
Spring Steel (65Mn, SK5)
Aluminum (A5052, A6061)
Brass & Copper
Galvanized Steel
Typical thickness range: 0.3 mm – 6.0 mm
Tooling & Dies
Stamping dies are the core of the sheet metal stamping process.
Based on production volume and part complexity, different tooling solutions are used:
Single-operation dies
Compound dies
Progressive dies
Tooling cost is a one-time investment, enabling stable long-term mass production with low unit cost.
Advantages of Sheet Metal Stamping
Compared with other manufacturing methods, stamping offers clear benefits:
High production efficiency
Consistent dimensional accuracy
Excellent repeatability
Lower cost for medium to high volumes
Suitable for automation and large-scale manufacturing
This makes stamping ideal for standardized and custom OEM components.
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