This guide walks through each core machine, how they fit into a typical production line, what specifications to evaluate, and how to match machine choices to the cable tray sections, accessories, pipe supports, metal brackets and sheet metal components you plan to. This guide walks through each core machine, how they fit into a typical production line, what specifications to evaluate, and how to match machine choices to the cable tray sections, accessories, pipe supports, metal brackets and sheet metal components you plan to. For project managers, procurement specialists, and electrical engineers, choosing the right cable tray vendor isn't just about price—it's about structural integrity, compliance, and life expectancy. To help you make an informed sourcing decision, let's go behind the scenes. Here is the. B manufactures its cable tray in a range of materials with a variety of finishes. 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). The steps involved in producing. The cable tray production line is an intelligent mechanical integrated system designed for the production of cable tray systems, which realizes the precise forming of the bridge structure through automated processes. Use a CNC punching machine for mounting holes, slots, louvers and repeated patterns; use a press brake for flanges, brackets, elbows, tees and reducers;.