Control method for preventing abnormal wear of finished rolling groove

The invention discloses a control method for preventing abnormal wear of a finished product rolling groove, which relates to the technical field of steel rolling, and comprises the following steps of: slotting a roller by using a diamond forming grinding wheel to form a rolling groove, and then polishing the rolling groove by using a resin forming grinding wheel; the size of incoming materials is controlled, and the ovality of the incoming materials is controlled to be 40%-50%; the centering degree of the guide is calibrated; the cooling water outlet pressure of the water-cooling water tank is adjusted to ensure the uniform surface temperature of the rolled piece; adjusting the tension coefficient of a rolling line to be-1 to-4; and adjusting the size of the rolling groove water-cooling nozzle according to the size of the rolling groove to ensure that the rolling groove water-cooling nozzle can directly face the center of the rolling groove. Abnormal abrasion of a finished product rolling groove is completely