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We are surrounded by items that are products of a process known as sheet metal bending. Not many of us are aware of what it is and how it operates. If you look at the things inside your buildings, I bet at least a couple of them are bending finished products. If you move out and observe your surroundings, the buildings and apartments that you pass by also use the goods produced by this technique.

When we consider sheet metal bending, we basically refer to the process that converts a sheet metal into a differently-shaped product. It could follow the shape of a letter U, V or any other channel shape.

Bending is classified into three general varieties:

1. Coining

This is the best known sheet metal bending type used by engineers and metalworkers. It takes a few materials like die and punch. It is often regarded as precision stamping because of the very detailed and mindful attitude you have to possess in order to produce a completed product that is of high quality.

Coining, which is sort of cold working method, is used in the manufacture of coins. These types of coins are small, but if you look carefully, you would see the very fine pictures and scripts on them. Badges, medals and buttons are some of the other articles created through this process.

2. Air bending

This is done by allowing the punch and the workpiece touch but not too low as to strike the bottom. Once you release the punch, the workpiece ends with not that much of a curved. This is because of a thing named spring-back, which is normally between 5 and 10 degrees.

3. Bottom bending

This particular kind of sheet metal bending has a few similar characteristics with coining and air bending. In this case, the punch moves the workpiece down till it touches the bottom of the die. This movement will create a minimal spring-back angle.

There are several types of tools and equipment used when carrying out this operation. The most common of them all include the machine presses, bending brakes, and brake presses. These equipment come in various shapes, sizes, and costs. Expect to see some of them having the simplest features that are ideal for simple and basic sheet metal bending job. However, those that possess high-end, complex and modern features are also available on the market to large industries and factories that require huge quantities of products produced in a certain period of time.

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