Thursday, October 27, 2011

Learning More About Sheet Metal Stamping: Details On Some Processes , Tools And Various Machinery Involved

By Elanora Pemco


The things that we use at home or in the office undergo many different processes before they become what they are now. Many types of raw materials and ingredients are gathered to make them. All of these things are brought together either by hand or with the help of equipments and instruments. One of the common processes used in the manufacture of goods is called sheet metal stamping.

Unlike sheet metal forming, Sheet metal stamping is a process wherein commodities are produced from metal sheets. Those metal sheets are inserted into a metal stamping machine known as a press or a die, where they're molded into your desired size and shape. They may vary in composition type, length and thickness, based on what finished product you're going to make.

Metal Stamping machines come in various models, each with its own set of exclusive characteristics. Most of the metal stamping machines available nowadays can process metal sheets that are ? inch thick. Many can deal with those which are a little thicker or thinner. They're also customized to work on particular forms of metal sheets. Majority of them are made to process alloys and metals such as brass, aluminum, copper, zinc, steel, stainless steel, titanium and galvanized steel.

In sheet metal stamping, there are three essential points to keep in mind. These are the die, the binder or the blank holder, and the punch. Once you've a metal sheet on hand, you are going to inset it between the die and the blank holder. You will then use the punch to let the sheet spread out over the die, with the aid of stretching and drawing. The main purpose of the blank holder is to minimize the force made inside the machine that may lead to the sheet metal to wrinkle or tear.

Also, there're several operations that fall under the whole sheet metal stamping process. They are bending, coining, forming, blanking, piercing, embossing, progressive stamping and drawing. Those operations vary in the equipment used and the sub-processes involved. For example, in bending, the most commonly used tools are the brake presses, and the pan and box brakes. In blanking, however, only two basic tools are needed: a die and a punch. But, there are many situations when these operations overlap and it gets a little bit tricky to distinguish from the other, so it depends a lot on the finished product that you are aiming to manufacture.




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