Equipped with a Siemens 828D CNC system and servo motor drive. The machine tool was designed by thoroughly analyzing the technical performance indicators and innovative mechanical structure forms of roller grinding machines from Italy's ATOMAT and Germany's HERKULES companies, while also incorporating experiences from similar machine tools of well-known domestic enterprises.
This series of machine tools is mainly used for hole shaping of rolling mill rolls and can also turn the outer diameter and roll neck of rolling mill rolls. It is also capable of turning similar roll components. Suitable for cutting materials such as cast steel, forged steel, alloy steel, chilled cast iron, spheroidal cast iron, tungsten carbide roll rings, and others. It is applicable for the processing of large-scale rolling mill rolls like special steel, reducing costs and improving efficiency.
The CK84100 CNC roller grinding machine bed adopts an integrated 4+1 guide rail structure, with four rectangular guide rails horizontally arranged to provide motion and positioning for the saddle and tailstock, and an auxiliary guide rail set on the vertical front surface of the bed for additional support of the saddle. This ensures better rigidity for the saddle and tool holder, enabling them to bear greater cutting torque.
The bed基准guide rail is fully hyper-sonic quenched for integrity, paired with imported guide rail soft strips to ensure minimal wear on feeding components, maintaining high precision and stability over the long term. The design incorporates a specific height difference between the saddle guide rail and the tailstock guide rail to prevent chips and coolant from infiltrating the saddle guide rail.
The tailstock features an independent rotating main shaft + tailstock sleeve axial extension adjustment structure. The tailstock main shaft taper hole is 100-1:5. The tailstock body is designed with an integral structure, eliminating the disadvantages of traditional top and bottom split structures, such as unstable accuracy, poor load-bearing capacity, and reliability issues.
The lathe tailstock is equipped with a high-performance pressure sensor for setting and measuring the clamping force during workpiece mounting, as well as feedback. By adjusting the pressure sensor controller, the clamping force of the tailstock point on the workpiece can be automatically controlled and displayed. The release and clamping of the tailstock sleeve are automatically achieved through the hydraulic control system.
The tailstock sleeve is designed with a workpiece thermal deformation compensation mechanism. The axial length changes of the workpiece during the machine tool's operation are absorbed and compensated by the disc springs inside the sleeve.
