Rough machining and finish machining integrated numerical control abrasive belt grinding machine and abrasive belt grinding wheel thereof

The utility model relates to a rough machining and finish machining integrated numerical control abrasive belt grinding machine and an abrasive belt grinding wheel thereof, the rough machining and finish machining integrated numerical control abrasive belt grinding machine comprises a fixed mounting frame, a workpiece moving device and the abrasive belt grinding wheel, the abrasive belt grinding wheel is arranged on one side of the fixed mounting frame, and the workpiece moving device is used for adjusting the position of a workpiece. The abrasive belt grinding wheel comprises a first grinding wheel body and a second grinding wheel body which are coaxially arranged, the first grinding wheel body and the second grinding wheel body are each used for being sleeved with an abrasive belt, and the abrasive belts have different mesh numbers so as to conduct grinding machining of different precisions on a workpiece to be machined. Rough machining and finish machining of the workpiece to be machined are completed thro