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SHEET METAL FORMING OF RAPID PROTOTYPES

Time: 2018-07-10 Viewed:
Online consulting
Sheet metal forming involves a wide range of processes that manufacture parts for a vast amount

Sheet metal forming involves a wide range of processes that manufacture parts for a vast amount of purposes, both seen and unseen. Sheet metal refers to metal that has a high surface area to volume ratio. Sheet metal work stock, used for sheet metal processes, is usually formed by rolling and comes in coils.

Sheet metal forming involves a wide range of processes that manufacture parts for a vast amount of purposes, both seen and unseen. Sheet metal refers to metal that has a high surface area to volume ratio. Sheet metal work stock, used for sheet metal processes, is usually formed by rolling and comes in coils.

Sheet Metal
A distinction needs to be made between sheet metal and plate metal. Sheet metal is 1/4 inch or less in thickness, while plate is over 1/4 inch in thickness. Sheet and plate have different applications. Plate is generally used for larger structural parts like boilers, turbines, bridges and ships. Sheet metal is used in the manufacture of cars, trains, aircraft, farm equipment, office equipment, furniture, house appliances, computers, machine components and beverage cans to name a few. Some of the sheet metal manufacturing processes may be applicable to plate metal as well, even though the work piece is referenced only as sheet metal. However plate, particularly thicker plate, will provided its own set of problems in processing. Therefore, some of the sheet metal operations discussed may not be applicable to plate.

Sheet metal manufacture is mostly performed on a press and parts are formed between two die. The top die is called a punch. Sometimes sheet metal parts are referenced to as stampings. Parts are usually economical and easy to mass produce. Sheet metal is usually formed cold, however warm or hot working of parts, (particularly plate), is possible. Generally for sheet metal applications there is essentially no change, or negligible change, in sheet thickness. For some processes like deep drawing, there is a slight and expected change in thickness, but this may also be neglected in most cases. Sheet metal manufacturing produces parts that typically have high strength, good surface and accurate tolerances.

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