Regularly refuel the unwinding/opening mandrel.
2. It is best to unwind the coil within acceptable parameters.
3. Check whether the uncoiler/opening mandrel is stuck or abnormal before starting.
4. Operate the uncoiler/unwinder correctly according to the instructions and safety procedures.
5. If you hear an abnormal sound, stop it immediately.
6. The operators responsible for different machines on the metal production line should cooperate closely.
