Sheet Metal Stamping and Punching

Blog | August 27th, 2018

Sheet metal is one of the most commonly used materials in the world today, spanning across a wide range of industries and uses. The truth is, there is something in your home or your car that was fabricated using sheet metal as a primary material. With that being said, sheet metal doesn’t arrive at a project ready to be used, the material has to be worked through a variety of different processes. Two of the most employed fabrication processing techniques are sheet metal stamping and sheet metal punching. While the odds are good that you can take away the general meaning of these two processes, there is still more to learn. Let’s go ahead and dig right in.

Sheet Metal Stamping and Sheet Metal Punching

Alright, if you’ve managed to find this blog then there is no doubt in our mind that you are interested in the field of sheet metal fabrication. In order to give you a rounded understanding of the field, we have to detail a few of the most important and widely utilised processes: stamping and punching. Let’s go ahead and lay out what exactly these processes are and talk briefly about what industries they are used in.

1) Sheet Metal Stamping – Metal stamping is a pretty simple process that involves taking a flat piece of sheet metal and moulding it into specific shapes. There are two primary forms of stamping process: hydraulic and mechanical.

A) Materials Used For Stamping – Most commonly, there are a few specific types of metals being used in stamping. You’ll find aluminium, copper, zinc and stainless steel as the most traditional metals used in the process.

2) Sheet Metal Punching – Related to stamping, sheet metal punching is more about shearing and punching holes in metal rather than scraping them. Punching is one of the cheapest and most effective ways to shear a hole in a piece of sheet metal and it is thus one of the most popular processes, as well.

A) Benefits of Sheet Metal Punching – The most obvious benefit is that sheet metal punching is incredibly affordable and efficient. Machines are easy to operate and there is low-to-zero variability in the punching process, thus resulting in perfectly replicated results. This is an ideal process for the quick fabrication of multiple pieces of product.

B) Materials Used for Punching – The same materials that you would use for stamping can also be used for punching. Common metal choices include aluminium, copper, zinc and stainless steel. Some people also use plastic, though results of plastic punching are slightly more controversial.


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