STAMPING

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OVERVIEW

Overview: What’s stamping?

The basics of stamping

Stamping (also known as pressing) is the process of placing flat sheet metal in either blank or coil form into a stamping press where a tool and die surface forms the metal into a net shape. Stamping includes a variety of sheet-metal forming manufacturing processes, such as punching using a machine press or stamping press, blanking, embossing, bending, flanging, and coining.This could be a single stage operation where every stroke of the press produces the desired form on the sheet metal part, or could occur through a series of stages. The process is usually carried out on sheet metal, but can also be used on other materials, such as polystyrene. Progressive dies are commonly fed from a coil of steel, coil reel for unwinding of coil to a straightener to level the coil and then into a feeder which advances the material into the press and die at a predetermined feed length. Depending on part complexity, the number of stations in the die can be determined.

How does stamping Work

A stamping press is a metalworking machine tool that can precisely shape or cut metal to your specifications. The process involves forming, drawing, trimming, blanking, and/or piercing the metal with a die. Typically, the process can be used for both sheet and coil forms of metal.

The press is composed of a bolster plate and ram. The stamping process works by forming the metal between two halves of the press tool. The upper member is attached to slides of the press, while the bottom member is attached to the stationary bolster plate (or bed). Some large presses also have a die cushion integrated in the bolster plate, which can help apply blank holder forces.

 

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