According to the situation of the job, first understand the specifications of the workpiece, the operator should adjust the roll gap of the straightening machine in time, and the operator should pay attention to the specification changes of the workpiece at any time.· The workpiece can not be skewed into the straightener.

· When the machine is operating in automatic mode, if the operator finds that the displayed parameters of the model are incorrect, the operator should change to manual operation mode in time to prevent unnecessary accidents.

· In the straightening process, the operator needs to observe or adjust the height of the adjusting roller in and out in time, so as to ensure the smooth straightening of the workpiece of different specifications.

· The workpiece cannot be stopped for too long in the machine or on the roller table during the straightening process to prevent uneven cooling.

· If the workpiece is stuck in the machine, the operator should not worry, as long as the straightening roller is lifted in time.

· When the workpiece is transported on the input roller of the cold bed, it is forbidden to transport the workpiece to the input roller of the cold bed.

· If the workpiece has a warped head, the straightening roller should be lifted and then reversed straightened until it is released.