The hydraulic uncoiler has a support coil and provides tension to the steel strip. It is an unwinder consisting of a frame, a main shaft, a retracting reel, and a brake device.

Regional alias: hydraulic opener, hydraulic winder, unwinder, unwinding feeder, unwinding leveling machine, etc.

The main function: support the coil and provide tension to the steel belt, consisting of the frame, the main shaft, the expansion and contraction reel, and the brake device.