Edge wrapping is a sheet metal forming process. After initial production, sheet metal usually has sharp edges with “burrs”. The purpose of curling is to make sharp and rough sheet metal edges smooth to meet the needs of the project.
Bending is another common sheet metal forming process. Manufacturers usually use the brake press or similar mechanical press to bend the metal. The sheet metal is placed on the die, and the punch is pressed down on the sheet metal. The huge pressure makes the sheet metal bend.
Sheet metal can also be ironed to obtain uniform thickness. For example, many beverage cans are made of aluminum, and the aluminum metal plate is too thick for the beverage can in its original state, so it needs to be ironed to make it thinner and more uniform.
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