1. MECHANICAL WORKING OF METALS
UNIT – 2
MECHANICAL WORKING OF METALS By
S. SAMPATH KUMAR
Mechanical Engineering Department
Assistant Professor
SRM University

3. Hot rolling Cold rolling

21. UNIVERSAL MILL

22. Hot Forging Cold Forging

25. Types of Forging Die’s
Open die
Impression die
Flash less

29. EXTRUSION
Direct Extrusion
Indirect Extrusion

38. Sheet metal operations
Blanking
Piercing
Punching
Trimming
Stretch forming
Shearing
Bending
Tube forming
Embossing
coining

39. Stretch forming is a metal forming process in which a piece of sheet metal is stretched and bent simultaneously over a die in order to form large contoured parts.
Stretch forming is performed on a stretch press, in which a piece of sheet metal is securely gripped along its edges by gripping jaws.