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Sheet Metal Forming

Sheet metal forming can be used in different industrial fields. Use various computer-controlled manufacturing processes. These manufacturing processes are most suitable for different materials, material thicknesses, and other important factors.

Sheet metal forming involves the forming manufacturing process without changing the quality, volume, and composition of the material. However, the formation changes the surface and properties of the metal to be processed. Depending on the lattice structure, this can cause migratory (translation) or twin dislocations. The blank acquires the final shape by the objective force of the horizontal cutting of the metal plate. The sheet metal forming process can be used to produce a variety of different parts. The weight of these components varies from a few hundred grams to a few tons.

Application of Sheet Metal Forming in different industries are:-

  • Airplane parts
  • Metal utensils and other parts
  • Canes, hinges, clips, sheets, etc.
  • Automobile sector

With this blog, we are aiming to educate learners to understand sheet metal forming and its processes along with the proper calculation. You will be able to describe different forming processes when they might be used, and compare their production rates, costs, and environmental impacts, calculate forming forces, predict part defects (tearing, wrinkling, dimensional inaccuracy), and propose solutions, explain current developments: opportunities and challenges. 

There are technologies used in metal forming that are divided into two segments.

  1. Material drawn into shape
    • Conventional drawing/stamping:- It is an expensive tooling method, requiring no net thinning and quick response. Its forming speed is 20-1000pts-hr.

2. Material stretched into shape

    • Stretch forming:- This process is very cheap and requires net thinning, slow in speed with low formability. Forming speed is 3-8pts/hr.

    • Super-plastic forming:- Tooling is cheap for this process, requires net thinning with expensive sheet metal. The process is slow but very high in formability. Its forming speed is 0.3-0.4pts/hr
    • Super-plastic forming:- This process requires cheap tooling, net thinning with expensive sheet metal. It is a slow process but very high formability.


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