the automated lines for sheet metal and rod manipulation, respecting the differences according to the load type and size being handled, consist of the following: -decoilers: the decoiler represents the first stage in the ......the automated lines for sheet metal and rod manipulation, respecting the differences according to the load type and size being handled, consist of the following: -decoilers: the decoiler represents the first stage in the process and its mission is to coil / uncoil the reel of sheet metal or other material used and supply it to the press, either directly or by means of a feeder, a feeder-levelling machine. the decoilers are programmed so they coil or unwind by means of the time control loop (connection and disconnection) and with clockwise or counter-clockwise rotation.