What is sheet metal?
* A piece of metal whose thickness is between 0.006(0.15 mm) and 0.25 inches(6.35 mm).
* Anything thinner is referred to as a foil and thicker is considered as a plate.
* Sheet thickness is generally measured in gauge.
* Greater the gauge number, thinner the sheet of metal.
* Sheet metal can be cut, bent and stretched into nearly any shape.
* Generally two types of operations are performedforming and cutting.
Sheet metal operations :-
Bending
Shearing
Blanking
Punching
Trimming
Parting
Slitting
Lancing
Notching
Perfoating
Nibbling
Embossing
Shaving
Cutoff
dinking
Coining
Deep drawing
Stretch forming
Roll forming
