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Deformation causes and solutions of metal grid panels

Date : 2021-02-10 Hot : 254

1. In hot dip galvanizing process, metal grid panels are invisible under high temperature of acid and alkali, especially some small steel gratings, which are easy to deform, followed by composite steel grids, which are composed of strip-shaped steel plates on the steel surface. Trench cover plate has been widely used in all walks of life at home and abroad. It is mainly used as industrial platform, ladder pedal, handrail, passage floor, railway bridge side road, high-altitude tower platform, drainage ditch cover, well cover, road barrier, three-dimensional parking lot, fence of government, school, factory, enterprise, sports ground, garden villa, and can also be used as the external window of civil house, balcony guardrail and expressway Railway guardrail, etc. Metal grid panels are generally made of carbon steel, and the surface is hot-dip galvanized to prevent oxidation. It can also be made of stainless steel. The steel grating has the properties of ventilation, lighting, heat dissipation, anti-skid and explosion-proof. The steel grating is an open steel member which is composed of bearing flat steel and cross bar according to a certain distance, and fixed by welding or pressing lock; the cross bar generally adopts twisted square steel, or round steel or flat steel, and the material is divided into carbon steel and stainless steel. Lattice plates, they're quite deformed. We must pay attention to the choice of steel grating.

2. When the goods are sent to the freight station for mailing, the scale of steel lattice diagonal will change, and even serious deformation will be displayed. The steel mesh is erected so that one of the corners of the inclined long steel mesh touches the ground repeatedly and quietly without the use of brute force.

3. After galvanizing steel plate, doubt point. After galvanizing, the steel plate base plate should be placed at least three pieces, one place in two good middle positions, not only at both ends, do not put the center, so too many steel mesh plates will cause certain deformation in the center, and it must be insisted that the steel mesh plates are all on the same horizontal plane. If the transportation is not stable, the steel mesh will be squeezed, impacted and other problems, resulting in the twists and turns of flat steel, and even serious deformation. Place the steel mesh on the pillow with the brick or other protruding object facing upward, so that the curved part of * touches the protruding object. Two people stand at both ends of the metal grid panels and exert force quietly.


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