Uncoiling system and uncoiling method

The invention discloses an uncoiling system and an uncoiling method.The uncoiling system comprises an uncoiling machine, a belt head moving mechanism and a control mechanism; the uncoiler comprises a base and a main shaft. One end of the main shaft is rotatably connected with the base. The belt head moving mechanism comprises a moving assembly and multiple sets of electromagnetic adsorption assemblies, the moving assembly is arranged above the main shaft, and the multiple sets of electromagnetic adsorption assemblies are arranged on the moving assembly; the control mechanism is electrically connected with the main shaft, the moving assembly and the electromagnetic adsorption assemblies and used for controlling at least one electromagnetic adsorption assembly to be powered on according to the size of the strip steel and adsorbing the strip head of the strip steel. The uncoiling system and the uncoiling method are adjustable in suction force and low in cost. 本申请公开了一种开卷系统及开卷方法，该开卷系统，包括开卷机、带头移动机构、控制机构；开卷机包括底座、主轴，