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What are the national standards for trough aluminum alloy cable tray? Relevant thickness standard

Release time:

2023-12-07

Trough aluminum alloy cable tray is a widely used protective device in power and electrical engineering

Trough aluminum alloy cable tray is a widely used protective device in power and electrical engineering, and its national standard includes many contents, including the relevant knowledge points of thickness standard.
The following Beijing Weiye cable editor introduces the national standards and related thickness standards of trough aluminum alloy cable tray: the following dangers should be avoided during installation: mechanical damage, mechanical vibration, corrosive liquid, ultraviolet radiation, thermal radiation and so on.
The overall protection grade of the trough cable tray shall conform to the IP30 grade in GB4208-2008.
The installation of the trough cable tray should be based on the electrical construction drawings and the trend of the cable tray should be measured, and it is suitable to use standard products and factory prefabricated parts.
The segment of the trough cable tray should be reasonable, and the connection position of the two segments should not be placed through the wall and across the floor hole.
The trapezoidal aluminum alloy cable tray is a trapezoidal bridge composed of two longitudinal side plates and several rungs. The trough aluminum alloy cable tray is made by welding the bottom plate and the side plate or pressing the whole aluminum alloy plate.
The surface protective layer quality of aluminum alloy cable tray allows direct inspection of products or samples processed by the same material.
The number of samples for type inspection of aluminum alloy cable tray shall be determined according to the test items.
The 2019 national standard of aluminum alloy cable tray stipulates that the surface of aluminum bridge bridge should be neat and smooth, uniform color and luster, and no cracks, burrs and other defects are allowed.
2019 the national standard also requires that the anodized surface is not allowed to have electric burns, exposure and other phenomena that affect the use.
The 2000 national standard of aluminum alloy cable tray stipulates that the manufacture, engineering design and construction of aluminum bridge bridge should not only implement this national standard, but also comply with the provisions of other existing national standards.
The national standard of aluminum alloy cable tray 2019 stipulates that when the width of the bridge is greater than 800mm, the thickness of the side plate is 3.0mm, and the thickness of the bottom plate, cover plate and connecting plate should be 1.5mm.
The thickness size deviation should comply with the relevant specifications in GB/T3880.3-2012.
Aluminum alloy cable tray 2013 industry standard stipulates that when the bridge width is greater than 300mm and less than or equal to 500mm, the thickness of the bridge plate should be 2.0mm, the thickness of the connecting plate of the bridge should be at least 2.0mm, and the minimum thickness of the cover plate of the bridge can be 1.5mm.

Keywords：

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