1. The centralized drive has stable transmission, large transmission torque, high reliability, and it is easy to move to one place in the process of leveling the steel plate, so as to realize the reasonable distribution of torque (the torque received by each roller in the process of leveling the steel plate) are not the same), but due to the structural characteristics of the centralized drive, the linear speed of each roller is the same, and when the leveling machine, especially the non-parallel roll leveling machine, is leveling the steel plate, the sheet is at the entrance and exit. There is a certain speed difference. Therefore, the use of this transmission method is easy to cause motion interference and negative torque between the work rolls, and the resulting problems of roller wear or steel plate wear, which will theoretically affect the life of the rollers. Of course , According to the market follow-up survey of the leveling machine produced by our factory for many years, there is no problem that the roller wear caused by this affects the leveling accuracy and the service life of the leveling machine. Flat machine, especially in the medium and thin plate type, the problems of heavy machine weight and high manufacturing cost continue to limit the development of the product.

2. The use of split-roller drive can certainly solve the problem of roller wear or steel plate wear to a certain level, but because in the process of leveling the steel plate, the force and torque received by each roller are actually different. The force and torque received by the three rollers are relatively large, accounting for about 30% of the total torque. If the transmission of each roller driven by the separate rollers is selected according to a large torque, it will easily cause power waste, and because of When designing the leveling machine, the roll diameter and roll distance are affected by various factors such as plate thickness and leveling accuracy, and the roll diameter and roll distance should not be too large. This kind of transmission structure cannot be arranged according to the torque. However, if this is not done, it is easy to cause the lack of leveling torque of a single roller in the process of leveling the steel plate, thereby affecting the leveling accuracy or basically unable to level the steel plate. Especially the leveled plate When the material is a severely deformed high-strength steel plate, it is even more inappropriate.