MK215+B Axis CNC Internal Cylindrical Grinder: Main Applications and Structural Features
★This machine tool is a three-axis (X feed, Z grinding wheel, B indexing axis) CNC internal cylindrical grinder, mainly used for grinding internal cylindrical holes, internal tapered holes, internal ends, and external ends of workpieces. The grinding cycle is fully automated (including automatic feed, retract, rough and fine grinding; automatic wheel correction, and automatic compensation functions).
★The machine tool features workpiece feeding, B-axis indexing (torque turntable), and a structure with the worktable (grinding wheel stand) moving left and right. Both the workpiece box feeding and the grinding wheel stand movement are guided by rolling linear guides, all driven by servo motors and ball screw movements. The rotation speed of both the workpiece spindle and the grinding wheel spindle is controlled by a variable-frequency inverter for stepless speed adjustment. The workpiece clamping is a hydraulic power chuck, and other matching fixtures can be configured according to the specific characteristics of the user's workpiece.
★The machine tool features a fully enclosed protective cover, with a front-mounted rotating control box and a rear-mounted backpack-style electrical cabinet.
1. Grinding Bore Diameter Range 5-50 mm 2. Grinding Bore Depth 80 mm 3. Workpiece Motor Power 0.45/0.75 kW 4. X-axis Servo Motor Power 6 NM 5. Z-axis Servo Motor Power 6 NM 6. Grinding Wheel Spindle Power 4-12 kW 7. B-axis Torque Motor Power 1.5 kW 8. Grinding Wheel Spindle Speed 0-60,000 (r/min) Variable Speed 9. Workpiece Speed 0-800 (r/min) Variable Speed 10. B-axis Positioning Accuracy ±4 Arc Seconds 11. X, Z-axis Positioning Accuracy 5 μm 12. B-axis Repeatability ±2 Arc Seconds 13. X, Z-axis Repeatability 2 μm 14. X-axis Travel 80 mm 15. Z-axis Travel 230 mm 16. X-axis Movement Speed 5 m/min 17. Z1-axis Movement Speed 5 m/min 18. Machine Dimensions 2200×1600×2300 mm 19. Machine Weight 1800 kg 20. Rated Power 12 kW 21. Machining Accuracy: - Inner Bore Roundness 2 μm - Inner Bore Cylindericity 3 μm - Inner Bore Surface Roughness Ra0.4 μm
