General mechanical equipment requires maintenance at ordinary times, and the straightening machine is certainly no exception.Here, the author provides some maintenance knowledge and precautions, I believe it can give you some help.●There is a large amount of friction between parts in various parts of the machine, which will cause considerable losses.Therefore, before starting the machine every time, it is best not to forget to lubricate the rotating parts. Ordinary lubricating oil is enough, no high-end lubricating oil is required.●After using the machine for a long time, some minor faults may occur.Regular inspection of the straightening cylinder is indispensable. At the same time, pay more attention to the oxide scale and rust accumulated in the planes on both sides of the straightening cylinder to ensure that the straightening machine has the best straightening effect.●When the equipment is working, you must pay attention to the bearing temperature. When it exceeds 60℃, you should stop the machine for pr