The production thickness of cable trays depends on specific design requirements and the materials used. Generally speaking, the production thickness of cable trays can be divided into the following common types:

1. 槽式电缆桥架：槽式电缆桥架是由一系列平面槽组成，通常有直角和T型两种形状。其生产厚度一般为2mm、2.5mm、3mm等。

1. Trough type cable tray: Trough type cable tray is composed of a series of flat grooves, usually in two shapes: right angle and T-shaped. The production thickness is generally 2mm, 2.5mm, 3mm, etc.

2. 梯级电缆桥架：梯级电缆桥架由一系列具有上平面和下平面的梯级组成。它们通常用于承载大量电缆和管道。其生产厚度一般为1.5mm、2mm、2.5mm等。

2. Step cable tray: Step cable tray consists of a series of steps with upper and lower planes. They are usually used to carry a large number of cables and pipelines. The production thickness is generally 1.5mm, 2mm, 2.5mm, etc.

3. 网式电缆桥架：网式电缆桥架主要由一系列排列交叉的钢丝网格组成。其生产厚度一般为3mm、4mm、5mm等。

3. Mesh cable tray: The mesh cable tray is mainly composed of a series of arranged and crossed steel wire grids. The production thickness is generally 3mm, 4mm, 5mm, etc.

4. 锻制电缆桥架：锻制电缆桥架是通过加热金属材料使其软化后，经由锻造和冷却再次变硬来制作的。其生产厚度一般根据具体需求定制。

4. Forged cable tray: Forged cable tray is made by heating metal materials to soften them, then hardening them again through forging and cooling. The production thickness is generally customized according to specific needs.

需要注意的是，以上仅列举了一些常见的电缆桥架生产厚度，实际应用中可能还会存在其他规格。因此，在选择和设计电缆桥架时，需要根据具体的工程要求和现场情况进行合理的选择和设计。

It should be noted that the above only lists some common cable tray production thicknesses, and there may be other specifications in practical applications. Therefore, when selecting and designing cable trays, it is necessary to make reasonable choices and designs based on specific engineering requirements and on-site conditions.