What is 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, mbossing, 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.

Precision stamping machines are useful in a several industries and applications. Stamping products are commonly produced for home appliance manufacturers, automotive companies, telecommunications services, aerospace industries, medical equipment manufacturers, and electronics companies.

The specific products and components can range from simple stamping items, such as metal clips, springs, weights, washers, and brackets, to more complex designs, such as those found in engine bases or friction plates.

Types of Precision Stamping Machine

There are two main types of precision stamping machines: mechanical presses and hydraulic presses. Both options provide unique features that are suited for particular purposes. 

Mechanical presses: these use a mechanical flywheel to transfer and store energy. Its punches can range in size from 5mm to 500mm, depending on the particular press and can be found in various sizes that stretch from twenty to 6,000 tons.

Hydraulic presses: These employ hydraulics to apply pressure to material. Hydraulic pistons displace fluid with a force level proportional to the diameter of the piston head, allowing for an advanced degree of control.  These presses usually vary in size from twenty to 10,000 tons and offer stroke sizes from about 10mm to 800mm.


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