| Sheet metal stamping is the system wherein | | | | are provided by the metal stamping companies |
| metal sheets are used for producing final | | | | after the metal sheet is stamped. |
| products. When a metal sheet is inserted into the | | | | There are three main components in sheet metal |
| die or the press, it is molded into the required | | | | stamping -- the die, the punch and the binder |
| shape and size. Metal sheets of only a certain | | | | blank holder. The sheet is kept between the blank |
| thickness can be inserted into metal stamping | | | | holder and the die and the punch is driven into the |
| machines. The maximum limit for most metal | | | | die wherein the sheet spreads over the die |
| stamping machines is ¼ inch. However, | | | | because of the drawing and stretching. The blank |
| machines can be designed to accommodate | | | | holder provides the restraining force that is |
| sheets of greater thickness also. Even the kind of | | | | required to control the sheet flow into the die. |
| metal sheets that can be processed in metal | | | | This force prevents wrinkling and tearing of the |
| stamping are also specific. Only certain metals or | | | | sheet as the quantity of material going into the |
| alloys can be used like aluminum, brass, steel (hot | | | | machine can be controlled. For some processes |
| rolled or cold rolled), galvanized steel, stainless | | | | where the blank holder force is too high for the |
| steel, copper, zinc and titanium. | | | | material, draw beads are used to create the |
| Before the metal sheet is inserted into the | | | | restraining force. |
| machine, the customer provides the prototype or | | | | Sheet metal stampings are also known as thin |
| at least a diagram of the final product. In case the | | | | stampings. Sheet metal stamping is used most |
| customer doesn't have a clear idea of what the | | | | primarily in the case-building process. It is also the |
| final product should look like, most metal stamping | | | | most important part as each of the panels has to |
| producers also offer engineering services for | | | | be stamped one by one. First the motherboard |
| designing the products as well. Even some | | | | tray is stamped, then one-side panels on the right |
| secondary services such as deburring and plating | | | | and left from bottom to top and back. |