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Sheet Metal Fabrication

Weimi Hardware Tech. Company | Updated: Dec 12, 2017
Source: Bing

Sheet Metal Fabrication

Sheet metal fabrication is the act of forming, shaping, and joining metal together to build and or repair a tangible part. There are many techniques and tools. It’s been done since the beginning of time when even the simplest tools were used. In this article we will share the most common and important tools, machines, and techniques

Metal Shaping

           Metal Shaping or forming can only change metal in four ways. You can bend, cut, shrink and stretch metal to form it. Below are the common tools and techniques to perform these tasks.

Bending Metal

Form Bending- This is the simplest way to bend metal. In this method you are bending the metal over an edge or shape that is located under the metal.

Metal Brake- A metal brake is the most common way to make clean, precise bends in metal.

Cutting Metal

Hand Shears- Using hand shears or “aviation snips” is a manual, way to cut metal that’s necessary no matter how many large tools you have.

Power Shears-  There are many different types of power shears ranging from pneumatic shears and electric shears. Most power shears aren’t able to cut intricate shapes or tight corners.

Throatless Shears- They're often times described by a well-known style of these shears called the "Beverly Shear". These are designed to allow you to cut metal in straight lines or shapes and radii in sheet metal with no marring of the cut edge.

Angle Grinder- They simply spin the attached disc or wheel at a fast rate of speed for removing material in a quick manner.

Plasma Cutter- A properly adjusted plasma cutter can cut sheet metal quickly with extreme accuracy and minimal clean up.

Shrinking Metal

Tucking Metal- In this method you're literally bunching the metal together by forcing it between a crevice with a spade hammer or by folding the metal over at the edges with a homemade tucking fork.

Shrinker- This method is much more precise than tucking with a hammer and form, but moves the metal much slower.

Heat Shrinking- This is a method that takes a lot of practice. The basic idea is that you heat a overstretched area (with a torch) almost red hot and then as the area cools it shrinks.

Stretching Metal

Stretcher The shrinker and stretcher together are must have items for anyone doing sheet metal fabrication.

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