What is Sheet Metal | Sheet Metal Forming Processes– Sheet metal is simply metal formed into thin and flat pieces. It is one of the fundamental forms used in metalworking, and can be cut and bent into a variety of different shapes. Countless everyday objects are constructed of the material. The raw material for sheet metal manufacturing processes is the output of the rolling process. Typically, sheets of metal are sold as flat, rectangular sheets of standard size. If the sheets are thin and very long, they may be in the form of rolls.
Sheet Metal Forming Processes
- Shearing processes
- Forming processes
- Finishing processe
What is Sheet Metal | Sheet Metal Forming Processes
Punching: Shearing process using a die and punch where the interior portion of the sheared sheet is to be discarded is called punching.
Blanking: Shearing process using a die and punch where the exterior portion of the shearing operation is to be discarded is called blanking.
Perforating: Punching a number of holes in a sheet is called perforating.
Parting: Shearing the sheet into two or more pieces is called parting.
Notching: Removing pieces from the edges is called notching.
Lancing: Leaving a tab without removing any material is called lancing.
Bending: Forming process causes the sheet metal to undergo the desired shape change by bending without failure is called bending.
Stretching: Forming process causes the sheet metal to undergo the desired shape change by stretching without failure is called stretching.
Drawing: Forming process causes the sheet metal to undergo the desired shape change by drawing without failure is called drawing.
Roll forming: Roll forming is a process by which a metal strip is progressively bent as it passes through a series of forming rolls.
The processes which are used to improve the final surface characteristics are called finishing processes.
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