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Manufacturing of Gratings

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Manufacturing of Gratings


Electroforged Steel Gratings are made using the electroforging process. In this process, the sqaure twisted rods (Cross Members) are fused into the main load bearing members at using a special welding machine at very high current and tonnage.

Manufacturing of Gratings

How are Electroforged Gratings made

Electroforged Steel Gratings are made using the electroforging process. In this process, the sqaure twisted rods (Cross Members) are fused into the main load bearing members at using a special welding machine at very high current and tonnage. The Cross Members are properly setin the Load Members such that it projects out of the grating top member by only a little more than 1 mm. This improves the slip resistance during walking. Electroforged Grating Panels are generally manufactured to 6000 mm lengths.

What is grating in production?

TERMETAL is a producer of platform gratings welded on automated welding lines. This process requires welding of grating elements: bearing flat bars and joining transverse bars. Spaces which are created between those elements are called grating meshes, and they make it possible to create various solutions, due to their size, and also to use additional elements. The basic elements of gratings – bearing and transverse bars – create one common surface at the top. Due to the fact that distances between bars/flat bars as well as additional elements vary, TERMETAL offers a very wide range of products.

Material

The basic materials used are bearing flat bars which are obtained as a result of lengthwise cutting of metal sheet coils to the desired length of gratings. The basic type of steel used is S235 (according to the PN-EN 10025:2007 standard,) hot rolled in accordance with the PN-EN 10051+A1 standard, and its equivalents (according to other standards). In order to make gratings it is necessary to also use bearing cold rolled flat bars. They comply with the durability requirements for S 235, S 275, S 355 steel.

Transverse bars are produced through a special plastic processing based on calibration and the addition of gouges that support and enhance the anti-slippery properties of those elements. These elements can also be made from stainless steel type INOX 304 or acid-proof INOX 316 steel. Stainless or acid-proof round smooth bars are used to make stainless steel gratings.

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