电缆桥架的材质有镀锌板、不锈钢和铝合金等，防火电缆桥架可以通过在镀锌电缆桥架基础上喷涂防火塑粉来制作。桥架厚度标准定了桥架各个部件的厚度以及桥架表面防护层的厚度。更多详细内容 江南app官方入口在哪里看到厂家为您讲解：

The materials of cable tray include galvanized sheet, stainless steel and aluminum alloy, etc. The fireproof cable tray can be made by spraying fireproof plastic powder on the basis of galvanized cable tray. The thickness standard of the bridge determines the thickness of each component of the bridge and the thickness of the protective layer on the surface of the bridge. Jinan bridge manufacturer will explain more details to you:

1、防火电缆桥架

1. Fireproof cable tray

防火电缆桥架是为了保证起火后电缆能正常工作一段时间。防火电缆桥架敷设时，托盘梯架适合铺设在易燃易爆气体管道和热力管道的下方。防火电缆桥架敷设时，托盘梯架适宜敷设在水管的上方，防止水管漏水后进水。

The fireproof cable bridge is to ensure that the cable can work normally for a period of time after the fire. When laying the fireproof cable tray, the tray ladder is suitable for laying under the flammable and explosive gas pipeline and heating pipeline. When laying the fireproof cable tray, the tray ladder is suitable to be laid above the water pipe to prevent water from entering after the water pipe leaks.

两段防火电缆桥架的连接处或者活动连接板处，应该采用黄绿线或铜编织线进行两端的连接，连接线的横截面积不应该小于16平方毫米。防火电缆桥架在出入建筑物时，应与就近的总等电位接地装置相连接。

The connection of two sections of fireproof cable tray or the movable connecting plate shall be connected at both ends with yellow-green wire or copper braided wire, and the cross-sectional area of the connecting wire shall not be less than 16mm2. The fireproof cable tray shall be connected with the nearby total equipotential grounding device when entering and leaving the building.

2、镀锌板

2. Galvanized sheet

镀锌板属于桥架板材的一种，其他材质还有铝合金、玻璃钢、复合材料等。镀锌板表面有锌层能够防止桥架生锈，可以应用在各种环境的电缆桥架制作上。

Galvanized plate is one of the bridge plates, and other materials include aluminum alloy, glass fiber reinforced plastics, composite materials, etc. The zinc layer on the surface of the galvanized sheet can prevent the bridge from rusting and can be applied to the production of cable bridge in various environments.

3、镀锌工艺

3. Galvanizing process

电镀锌工艺做好需要有很好的电镀溶液、适当的电镀参数、调控参数装备和技术高超的人员，否则很难获得符合质量要求的镀锌层。热浸镀锌能使整个钢材基体表面都受到锌层保护，无论是凹陷处管件内部，或者其他难以物理进入的角落，溶化的锌都能很容易地均匀覆盖上。

Good electroplating solution, proper electroplating parameters, control parameter equipment and skilled personnel are required for the electroplating process, otherwise it is difficult to obtain the zinc coating meeting the quality requirements. Hot-dip galvanizing can make the whole steel substrate surface protected by zinc layer, and the molten zinc can be easily and evenly covered on the inside of the pipe fittings at the depression or other corners that are difficult to physically enter.

4、桥架厚度

4. Bridge thickness

按照2013桥架标准，托盘、梯架的宽度大于800mm，如果为钢制，桥架厚度应为2.2mm，如果为铝合金，桥架厚度至少为2.5mm，如果为玻璃钢制，桥架厚度小为5.0mm。桥架标准中喷塑工艺表面涂层的厚度要求>=50um,电镀锌表面锌层厚度要求>=12um，热浸镀锌表面锌层厚度要求>=65um。VCI双金属涂层厚度要求>=60um。

According to the 2013 bridge standard, the width of the tray and ladder is greater than 800mm. If it is made of steel, the thickness of the tray should be 2.2mm. If it is made of aluminum alloy, the thickness of the tray should be at least 2.5mm. If it is made of glass fiber reinforced plastic, the thickness of the tray should be 5.0mm. In the bridge standard, the thickness of the surface coating of the plastic spraying process is required to be>=50um, the thickness of the zinc layer on the galvanized surface is required to be>=12um, and the thickness of the zinc layer on the hot-dip galvanized surface is required to be>=65um. VCI bimetallic coating thickness requirement>=60um.

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