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. 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. 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. Cable tray manufacturing process | Cable tray Punching bending | Cable tray machine | Cable tray work Making of cable tray. The whole cable tray production machine adopts. Our range of products include automatic cable tray metal punching machine, cable tray perforating machine, semi automatic cable tray roll forming machine and ms cable tray roll forming machine.