Types of cable trays
- Trough type bridge: closed structure, protect the cable from the external environment.
- Ladder type bridge: suitable for laying cables with larger diameter or heavier.
- Tray type bridge: the bottom has a support surface, suitable for various cable laying.

And all the different cable tray can be produce by KINGREAL Cable Tray Toll Forming Machine. Cable trays are widely used in electric power engineering, communication engineering, petrochemical engineering, construction engineering and factories. They not only provide support and protection for cables, but also beautify the cable laying path and improve the neatness and safety of cable management.
Cable tray is a structural system used to support and protect cables and is widely used in industrial and commercial buildings. Cable tray manufacturing involves the processing of raw materials into finished trays suitable for installation and use. The manufacturing process includes the following major steps:

1. Design and planning
Before manufacturing cable trays, design and planning are required according to specific application scenarios. The design drawings will indicate the size, shape, material and installation method of the bridge in detail.
2. Material Preparation
Cable trays are usually made of metal materials (e.g. steel, aluminum) or composite materials. The raw materials need to be processed through cutting, bending and welding.
3. Cutting and forming
Shears, bending machines and other equipment are used to cut the sheet metal into the required size and shape. The forming process involves bending and punching the sheet for subsequent installation and cable routing.
4. Welding and assembly
In some bridge types, welding is a necessary step to hold the different parts together. Both automated welding equipment and manual welding can be used for this process.
5. Surface treatment
In order to prevent metal bridges from rusting, surface treatments, such as hot dip galvanizing, electro-galvanizing, plastic spraying, etc., are usually applied. These treatments can improve the corrosion resistance and service life of the bridge.
6. Quality Inspection
After the completion of manufacturing, the cable tray needs to be quality tested to ensure that it meets the design standards and quality requirements. The inspection includes size inspection, surface treatment inspection and mechanical property test.
