The uncoiler or say coil reel is a supporting and discharging rack, locate the metal coil on the spindle of the uncoiler rack and uncoil strip from the coil. During the uncoiling operation, the spindle will rotate intermittently by the loop control for the strip discharging.
The hold-down arm is a hydraulic drive pressing arm, with motorized PU wheel. The limiting arm is located at the upper left of the uncoiler rack, it has two limiting wheels, the inside wheel is located, the outside wheel can be moved to the two sides of the coil by electric control. After the coil be loaded on the spindle, the outside wheel can behold down by pneumatic cylinder. Limiting wheels have no power and can rotate with any outside force, it is used to locate the coil width, and prevent the metal strip from slipping during the uncoiling process.