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CNC Column-Traveling Surface Grinder
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  • CNC Column-Traveling Surface Grinder

CNC Column-Traveling Surface Grinder

Classification:

Column mobile precision grinder

Summary： The machine tool features a T-shaped layout with a moving-column structure: the grinding head moves vertically along the column guideways (Y-axis), the column moves longitudinally along the rear guideways of the bed (Z-axis), and the worktable moves laterally along the bed guideways (X-axis). Compared with conventional M71-series grinders that employ a front-to-back moving grinding head, this design eliminates the phenomenon of a lower front and higher rear surface during grinding, resulting in higher accuracy and greater operational stability.
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Product Details

Main Structure and Features of the Machine Tool

1. The machine tool features a T-shaped layout with a column-moving configuration: the grinding head moves vertically along the column guideways (Y-axis), the column moves longitudinally along the rear guideways of the bed (Z-axis), and the worktable moves laterally along the bed guideways (X-axis). Compared with conventional M71-series grinders that employ a front-to-back moving grinding head, this design eliminates the phenomenon of a lower front and higher rear surface during grinding, resulting in higher accuracy and greater operational stability.

2. The longitudinal movement of the worktable is hydraulically driven; the lateral and vertical movements of the grinding head both utilize servo motor–directly coupled ball screw drives.

3. The grinding head features a precision-bearing spindle design, ensuring smooth rotation and high surface finish on the workpiece.

4. The entire machine is controlled and operated via a Siemens PLC system, with grinding depth directly entered via a touch screen, enabling visualized, automated operation and automatic infeed grinding.

Specification Model NGS4012AHD NGS4016AHD NGS5010AHD NGS5016AHD NGS6016AHD
Maximum workpiece size for grinding 400×1250×450mm 400×1600×450mm 500×1000×450mm 500×1600×450mm 600×1600×450mm
Worktable area (width × length) 400×1250mm 400×1600mm 500×1000mm 500×1600mm 600×1600mm
Maximum longitudinal travel of the worktable 1300mm 1700mm 1300mm 1700mm 1700mm
Worktable speed (stepless) 5-25m/min 5-25m/min 5-25m/min 5-25m/min 5-25m/min
Worktable load capacity (including electromagnetic chuck) 700kg 1000kg 800kg 1500kg 1000kg
Distance from the center of the grinding wheel spindle to the worktable surface 0-650mm 0-650mm 0-650mm 0-650mm 0-650mm
Crosswise grinding head
Feed 		Automatic intermittent feed rate 0–28 mm per session 0–28 mm per session 0–28 mm per session 0–28 mm per session 0–28 mm per session
Maneuvering speed 0.005-2m/min 0.005-2m/min 0.005-2m/min 0.005-2m/min 0.005-2m/min
Electric handwheel feed rate 0.001/0.01/0.1 mm 0.001/0.01/0.1 mm 0.001/0.01/0.1 mm 0.001/0.01/0.1 mm 0.001/0.01/0.1 mm
Grinding wheel spindle speed 1440r/min 1440r/min 1440r/min 1440r/min 1440r/min
Grinding head vertical
Feed 		Automatic feed rate 0.005–0.05 mm per pass 0.005–0.05 mm per pass 0.005–0.05 mm per pass 0.005–0.05 mm per pass 0.005–0.05 mm per pass
Maneuvering speed 0.005-2m/min 0.005-2m/min 0.005-2m/min 0.005-2m/min 0.005-2m/min
Electric handwheel feed rate 0.001/0.01/0.1 mm 0.001/0.01/0.1 mm 0.001/0.01/0.1 mm 0.001/0.01/0.1 mm 0.001/0.01/0.1 mm
Grinding wheel dimensions (outer diameter × inner diameter × width) Φ400×φ127×40mm Φ400×φ127×40mm Φ400×φ127×40mm Φ400×φ127×40mm Φ400×φ203×60mm
Grinding head motor power 5.5kw 5.5kw 5.5kw 5.5kw 11kw
Hydraulic motor 4Kw 4Kw 4Kw 4Kw 5.5Kw
Horizontal servo motor 15Nm 15Nm 15Nm 15Nm 15Nm
Lifting servo motor 15Nm 15Nm 15Nm 15Nm 15Nm
Pump motor 200w 200w 200w 200w 200w
Lubricate the motor 1.5Kw 1.5Kw 1.5Kw 1.5Kw 1.5kw
Parallelism of the machined surface with respect to the datum plane 0.005 mm over a length of 300 0.005 mm over a length of 300 0.005 mm over a length of 300 0.005 mm over a length of 300 0.005 mm over a length of 300
Surface roughness Ra0.4um Ra0.4um Ra0.4um Ra0.4um Ra0.63um
External dimensions (length × width × height) 3700×2200×2500mm 5600×2200×2500mm 3700×2500×2700mm 5600×2500×2700mm 5600×2500×2700mm

Key words:

CNC Column-Traveling Surface Grinder

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