Performance features for high-precision levelling machine: ◆ The machine employs a frame structure and has characteristics of high strength and good stiffness. ◆ It has high surface protection for processing materials and high leveling accuracy. ◆ Every single surface has three layers of rolls: support roll, intermediate roll and work roll. ◆ It employs a six-high leveling structure of a leveling roll, a complete support roll and multi-group support rolls. ◆ Levelling rolls and support rolls material: GCr15, 9CrS and 9Cr2Mo are available for selection. ◆ Levelling rolls and support rolls final process: refining, hard chrome plating, fine polishing; gap clearing device is designed for adjustment and depressing. ◆ Reducer: TR reducer and ZLY reducer with hard tooth surface is available for selection. ◆ Universal connecting shaft: made of alloy structural steel. ◆ Technology for heating processing, distribution box structure, adjustment and lubrication methods are the same as those for four-high levelling machine.