Cable tray manufacturing relies on a coordinated production line of specialized machines: a roll forming line shapes the profile, a CNC press brake handles secondary bending, a punch press creates mounting holes and ventilation slots, and a shearing line cuts the finished tray. Cable tray manufacturing relies on a coordinated production line of specialized machines: a roll forming line shapes the profile, a CNC press brake handles secondary bending, a punch press creates mounting holes and ventilation slots, and a shearing line cuts the finished tray. Cable tray manufacturing relies on a coordinated production line of specialized machines: a roll forming line shapes the profile, a CNC press brake handles secondary bending, a punch press creates mounting holes and ventilation slots, and a shearing line cuts the finished tray to length. Together. A typical cable tray production line encompasses several key stages. It begins with raw material input, usually galvanized steel or stainless steel coils. These coils are then uncoiled and flattened through a leveling machine. The selection of material and finish is a function of the environment in wh tant in a wide range of environments, and easily formable (Appendices II and III). Together, these parts form a complete cable management system used to support, route, protect, and organize cables in industrial, commercial, and data center applications. This comprehensive guide provides a detailed overview of cable tray making machine technology, working principles, types. A cable tray manufacturing machine automates the process of creating metal trays used to support and route electrical cables.