Metal Stamping
Metal stamping is a manufacturing process used to convert flat metal sheets into specific shapes. It’s a complex process that can include a number of metals forming techniques—blanking, punching, bending and piercing etc. It is a fast and cost effective solution for large-quantity manufacturing need. Manufacturers who need metal parts stamped for a project generally look for three important qualities: high quality and durability, low cost and fast turnaround time.
In the press, a tool and die surface form the metal into the desired shape. Punching, blanking, bending, coining, embossing and flanging are all stamping techniques used to shape the metal. Before the material can be formed, stamping professionals must design the tooling via CAD/CAM engineering technology. These designs must be as precise as possible to ensure each punch and bend maintains proper clearance and optimal part quality. A single tool 3D model can contain hundreds of parts, so the design process is often quite complex and time-consuming.
Once the tool’s design is established, a manufacturer can use a variety of machining, grinding, wire EDM (electrical discharge machining) and other manufacturing services to complete its production.
Metals that suitable for precision stamping range from soft to medium hardness and carry a low coefficient of flow. Some of the metals commonly used for stampings include:
• Ferrous metals, especially iron-based alloys like stainless steel
• Non-ferrous metals, such as bronze, brass, and zinc
• Non-standard alloys, such as beryllium nickel and beryllium copper
• Post-stamping finishing operations can include deburring, tapping, reaming, and counterboring processes. These allow the addition of other parts or for the correction of imperfections in finish or removal of sharp edges.
• The stamping components can be used for industries in automotive, aerospace, medical, and other markets. As global markets evolve, there is an escalated need for quickly-produced large quantities of complex parts.
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