Galvanized cable tray is a common electrical equipment bracket with good corrosion resistance and mechanical strength. Galvanizing refers to immersing iron products in molten zinc to form a zinc layer on their surface. The zinc layer can prevent oxidation and corrosion, thereby extending the service life of the bridge.

镀锌桥架的锌层厚度是一个重要的指标，它直接影响着桥架的耐腐蚀性能和机械强度。一般来说，锌层厚度越大，桥架的耐腐蚀性能越好。根据行业标准和规范，镀锌桥架的锌层厚度应符合以下要求：

The zinc layer thickness of galvanized cable trays is an important indicator, which directly affects the corrosion resistance and mechanical strength of the trays. Generally speaking, the thicker the zinc layer, the better the corrosion resistance of the bridge. According to industry standards and specifications, the zinc layer thickness of galvanized cable trays should meet the following requirements:

1、桥架表面应均匀、光滑，无气孔、皱纹、刮痕等缺陷。

1. The surface of the bridge should be uniform and smooth, without defects such as pores, wrinkles, scratches, etc.

2、锌层的平均厚度应符合标准规范要求，不能低于小厚度。

2. The average thickness of the zinc layer should meet the requirements of standard specifications and cannot be lower than the small thickness.

3、锌层应具有良好的附着力，不能出现剥离、脱落等现象。

3. The zinc layer should have good adhesion and should not exhibit peeling, peeling, or other phenomena.

根据标准和行业规范，镀锌桥架的锌层厚度应满足以下要求：

According to national standards and industry norms, the zinc layer thickness of galvanized cable trays should meet the following requirements:

1、一般桥架的锌层厚度应不低于65μm。

1. The zinc layer thickness of general cable trays should not be less than 65 μ M.

2、桥架的焊接部位和切割边缘的锌层厚度应不低于50μm。

2. The zinc layer thickness of the welding parts and cutting edges of the bridge should not be less than 50 μ M.

3、桥架的内部和连接螺栓等部位的锌层厚度应不低于40μm。

3. The thickness of the zinc layer inside the bridge and connecting bolts should not be less than 40 μ M.

4、深部弯曲处的锌层厚度应不低于40μm。

4. The thickness of the zinc layer at the deep bend should not be less than 40 μ M.

需要注意的是，以上数据是根据常见的镀锌桥架的使用情况和要求得出的一般标准。对于特殊应用场景和要求更高的桥架，锌层厚度可能会有所不同。因此，在选择和使用镀锌桥架时，应根据具体情况和要求选择合适的规格和型号。

It should be noted that the above data is based on the general standards and requirements of common galvanized cable trays. For special application scenarios and cable trays with higher requirements, the zinc layer thickness may vary. Therefore, when selecting and using galvanized cable trays, appropriate specifications and models should be selected based on specific circumstances and requirements.

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