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73CNC Horizontal Spindle Surface Grinder with Rotary Table

PRODUCT CENTER > Grinding Machines > 73CNC Horizontal Spindle Surface Grinder with Rotary Table

73CNC Horizontal Spindle Surface Grinder with Rotary Table

MGK7363 High-Precision CNC Horizontal Spindle Surface Grinder with Rotary Table

1.    Introduction

The MGK7363 High-Precision CNC Horizontal Spindle Surface Grinder with Rotary Table is a precision machining equipment that uses a grinding wheel to grind metal materials. It can process workpiece surfaces with a diameter of less than φ630mm, requiring high flatness and surface roughness. The workpiece flatness can reach 0.003mm, and the surface roughness Ra value is no more than 0.08μm. The worktable and the bed move longitudinally (X-axis), and the grinding head moves vertically (Y-axis). Both axes are driven by AC servo motors and ball screws. The Y-axis is equipped with a linear encoder, forming a closed-loop system for sensitive feed and reliable positioning. The use of CNC axis linkage function allows for the grinding of internal and external tapered surfaces. The machine is equipped with a FANUC Oi MF/TF or SIEMENS 828D CNC system, with high automation performance. Operators can program the machine according to the requirements of the workpiece, and the machine will automatically complete the machining process. The machine can be widely used in the mechanical processing industry, including bearing, tool, mold, and mechanical parts manufacturing.


2.   Main Specifications

1) Worktable working surface size: φ630mm

2) Maximum height of workpiece to be ground: 250mm

3) Maximum longitudinal travel of saddle: 400mm

4) Worktable speed (infinitely variable speed): 20-100 r/min

5) Grinding wheel size (outer diameter x width x inner diameter): φ400×40×φ127mm

6) Spindle speed: 1440 r/min

7) Distance from spindle centerline to worktable surface: 125-450mm

8) Longitudinal feed speed of saddle (X-axis, infinitely variable speed): 50-2000mm/min

9) Vertical feed speed of wheelhead (Y-axis, infinitely variable speed): 10-500mm/min

10)Vertical micro-feeding amount of wheelhead: 0.001mm

11) Longitudinal micro-feeding amount of saddle: 0.001mm

12) Grinding wheel spindle motor: 7.5KW, 1440 r/min

13) AC servo motor for longitudinal movement of worktable: torque 11N·M, speed 3000r/min

14) AC servo motor for vertical movement of wheelhead: torque 6N·M, speed 3000r/min

15) Gear reduction motor for worktable movement: power 1.5KW, speed 1400 r/min

16) Electric motor for static pressure grinding head lubrication oil pump: power 0.55KW, speed 1400 r/min

17) Electric motor for bed guide rail lubrication oil pump: power 0.55KW, speed 1400 r/min

18) Machine tool dimensions (L X W X H): 2550×1780×2100mm

19) Machine tool weight (net/gross): 5000/5200Kg