All About Metal Stamping

Metal Stamping - SixDe

All About Metal Stamping

Metal stamping, also called metal pressing, is a key process that’s used in multiple industries. While the basic premise is fairly simple – converting flat metal sheets into a specific shape or shapes – it’s actually a complex process that utilises many different techniques.

 The following discusses what metal stamping entails and how it’s used to quickly create large quantities of complex parts.


What is Metal Stamping?

Quite simply, flat sheet or coiled metal is placed into a stamping press, which then forms the metal into the desired shape. This is determined via tooling that’s created using CAD or CAM technology. This is a program that provides the instruction to the press as to the shape that’s needed. There are many different techniques that are used:

 ·        Bending

·        Blanking

·        Punching

·        Coining

·        Embossing

·        Flanging

The accurate creation of the above-mentioned program is vital to ensure that parts are formed exactly to the required specifications. Writing this program is a skilled job.  Depending on the part required, it can be extremely complex and takes time to complete.

There are three types of metal stamping:

 1.     Progressive

2.     Fourslide

3.     Deep draw


Progressive Die Stamping

This type of stamping is carried out with multiple stations. Each one carries out a single element of the task that builds on the one before – hence the name ‘progressive’. Metal is fed from a coil into the first die press where the programmed punch, bend or cut is performed. It then moves onto the next and the next until the finished part is completed.


Fourslide Stamping

Four different tools – or slides – are involved here, each working simultaneously to shape the metal. It’s a highly versatile method and can be used to create intricate and overly complex parts.


Deep Draw 
Stamping

Often used to create automobile and aircraft components, this process involves pulling a metal sheet into the die via a punch. It’s this ‘punch’ that forms the shape.

It’s the ideal method for components that have multiple diameters and is also a viable alternative to turning processes.

We should also mention another particular type of metal stamping, known as ‘short run stamping’. As the name suggests, this is used for smaller run sizes and utilises the bare minimum of tooling processes. Instead, custom tool components and inserts are used to shape the part. This is often used for prototypes or smaller projects.


Different 
Production Methods

As already mentioned, different methods are utilised to gain the required shape.

·        Blanking: This is where a flat shape is cut out of the metal, giving a rough outline of the product that it’s destined to become. It usually requires further processes to complete the construction of the part

·        Bending: The metal is shaped, or bent, in a single direction. A part might undergo several different bends to reach its required shape

·        Flanging: Similar to bending but along a curved edge 

·        Embossing: A shallow indentation is forced into the metal

·        Coining: Where a pattern is pressed into flat sheet metal


What Metals 
are Used

Components can be created out of many different materials, depending on the requirements. These include:

·        Stainless steel

·        Copper

·        Brass

·        Aluminium

·        Flattened wire

·        Metal strip

·        Super alloy

·        Phosphor bronze

·        Beryllium copper


Custom 
Precision Parts

The requirement for custom precision parts grows as markets evolve. Industries, such as automotive, medical, aerospace and construction, need parts at quantity – and often fast. Yet speed isn’t the only factor; quality remains the most critical aspect of any metal stamped products. This is determined at that crucial first stage – that of the programming that drives production.

Perth businesses and those across the nation are fortunate to have one of the best metal stamping and machine precision parts manufacturers right here in their back yard. SixDe is proud to operate a wide range of metal press tools and machinery, providing manufacturing with high quality, yet cost-effective, precision machine parts created right on home-grown soil.

Find out how SixDe can deliver for your machine part needs at www.sixde.com.au or give their friendly team a call on 08 9434 1112.