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Electric grating welder, also known as electro-forging, is a thermoelectric process in which heat is produced by the flow of an electric current. For a controlled time and under controlled pressure, the current flows through the connection area of the parts to be welded and made by the grating welder.
This process is often used in the production of steel gratings and other types of grating welding.
In this production process, metals are welded without additional materials. This is achieved by applying pressure and electric current to the desired welding area.
During this process, metal parts (usually steel) are pressed together by the electrodes of the welding machine to ensure a strong and constant electrical contact.
The electric current then passes through the electrodes and heats them until the point where they connect is melted. Two pieces of molten metal are joined and fused together. When the current stops, the two elements solidify, creating a solid metal connection between them.
With many different materials, classifications, and purposes, it can be difficult to determine what type of metal grating to use in your project. To help, we provide detailed information on the different types of metal gratings, including how they are made, their properties and typical applications.
In the metal industry, "grating" can refer to several different types of metal products. Each type has its own set of unique properties that make it more (or less) ideal for individual use. For example, street drains will take the form of a bar grating, while sidewalks typically require the safer form of an expanded grate or strut.
Metal gratings vary greatly in both material and function. Depending on the application, different types of metals and production methods are used to ensure successful and safe working conditions. These factors depend on parameters such as strength, size, location and application.
How expanded metal is made
Expanded metal is made by making slots in the sheet and then stretching (expanding) the sheet, resulting in a diamond pattern. The sheet can then be cut to size and flattened. Many different types of metals can be extended, such as stainless steel, carbon steel, aluminum and more.
The swelling process is very economical as it does not create waste, and since there are no holes in the material, the sheet retains its structural strength. Common applications of expanded metal grating include steps, floors, fencing and security applications.
A bar grating consists of parallel bars that are connected to each other by perpendicular bars. The bars are most often joined using a lattice sealer, however there are other ways to connect the bars together. Alternatives include riveting, close mesh, pressing, and more. The most economical joining method depends on the materials used and the thickness of the bars.
A bar grating can be made of various materials, but is most often made of steel or aluminum. It has a very high strength to weight ratio and plenty of open space, making it a widely used option for industrial flooring. However, it is also used for things like fire escapes, street drains, and bridges.
A protective grating is a common form of metal grating that is used to walk on surfaces. It is designed to help increase traction and prevent the risk of slips or falls. It is usually made with small diamond-shaped protrusions for better grip. It also has plenty of open space for ample drainage and airflow. The most common form of a crash guard helps to increase grip when walking on it. This is achieved by the serration of the edges of the diamonds that are formed after the sheet is cold pressed.
Many different types of metals are used to make the grab rest, including steel and aluminum. After stamping and serration, the sheet is then coated with a material that minimizes slippage. Due to its high level of grip, it is used for things like walkways, stairs and other walking platforms.
Wire mesh, which may also be referred to as wire cloth or woven fabric, is a form of metal grating consisting of parallel rows and intersecting wire columns. It's an easy install, very durable, and is used across a range of different industries. Because it can be made from a variety of different materials and metals, and can be produced to meet an almost limitless number of specifications, it is extremely versatile and can use for many different applications.
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