2. 2
2 CONFIDENTIAL
Plates , thickness > 6mm
Sheets , thickness < 6mm
Operations usually performed as cold working
Sheet metal working terminology
Punch and die : tooling to perform cutting, bending and drawing
Stamping press : machine tool that performs most operations
Stampings – sheet metal products
Sheetmetal Basic Parameters
4. 4
4 CONFIDENTIAL
Tolerances
Bend relief
Forming and bending near holes
Corner finishing
Hole to raw edge clearance
Hole taper
Hole diameter to thickness ratio
Factors affecting sheet metal design
5. 5
5 CONFIDENTIAL
Bending
In bending operations , Material is formed around the straight axis which extends completely
across the material at the bend lines
• Bend radius depends on the thickness of the Sheetmetal
Common Types of bending
• V bending
• Edge Bending
Operations
