Cable core payoff frame and double-wheel tension control system. The cable core payoff adopts gantry suspended payoff frame, the maximum loading specification diameter of 1800mm, which consists of frame, lifting mechanism, clamping disk mechanism and electric control part. The two lifting columns can be lifted individually or simultaneously, and the tension is controlled by magnetic powder brake. Loose casing unwinding and tension control system. This system is mainly equipped for the production of center bundle tube structure optical cable. Its tension dance wheel can adjust the payoff speed to track the extrusion speed in time Double wire payoff frame. This device is specially equipped for the W-structure in the center beam tube structured fiber optic cable and is used to place the reinforcing wires in the W-structure in parallel. A tension control system is required to ensure consistent tension in the cable. Paste filling device. Oil paste filling device is mainly composed of barrel suction device, pressurized storage tank, oil paste output device and so on. It is mainly used for filling the grease between the cable cores to improve the water permeability of the fiber optic cable. Tape release, storage and welding system. Sheath production line tape release device mainly has two kinds of fiber tape and metal tape tape release mechanism, generally there are two forms of vertical tape release and horizontal tape release. Tape storage system is used for continuous splicing and set up the metal tape storage device. Steel belt tying longitudinal package system. This device is a pair of toothed rollers to crush the steel strip into a straight strip, and the rotating speed of the rollers is controlled by the linear speed. The longitudinal wrapping device is the embossed metal strip to form a tube outside the cable core, which generally consists of a tape guide part, a pre-forming part, a forming part and a sizing part. Plastic Extruder. Adopting integrated design, it is mainly composed of extrusion system, transmission system, heating and cooling system, and control system. Hot water cooling system. It mainly consists of water tank, fixed water tank, mobile water tank, heating system, water pump system and so on. The hot water cooling can be carried out in two stages in order to adapt to the step cooling of different plastics. Cold water cooling system. It is mainly composed of water tank, water tank, water pump and so on. The main function is to further cool and cure the sheath. Outer diameter measurement system and fiber optic cable drying device. Used for the measurement or monitoring of the outer diameter of the fiber optic cable. Drying device is to dry the moisture on the surface of the fiber optic cable while improving the correctness of the outer diameter measurement. High voltage spark detector. Mainly used to check the integrity of the fiber optic cable sheath. Generally have a high-voltage DC and high-voltage AC points, its main structure has a high-voltage generator, high-voltage detection chain beads, breakdown recording devices, protection devices and other components. Counting meter printing device. Its role is to print the cable mark on the surface of the cable sheath, while recording the length. By the standard meter counting wheel, word block mounting wheel, ribbon release and waste tape blowing device and other components. Crawler traction machine. The device is mainly composed of upper and lower tracks, track traction system, length detection system. The crawler runs under the action of air pressure to clamp the fiber optic cable, and the clamping force can be adjusted by adjusting the air pressure. The upper and lower tracks are actively driven. The driving system adopts high-precision AC servo drive device with smooth and reliable speed. Take-up device. Can withstand 2000-type bobbins, take-up speed is adjusted by the adjusting potentiometer on the control panel, and at the same time controlled by the position controller, the basic structure is the same as the payoff system.