Nantong Natel Machine Tool Co., Ltd. Awarded 
Nantong Natel Machine Tool Co., Ltd. (formerly Nantong No.2 Machine Tool Co., Ltd.) was founded in 1965. Having been deeply engaged in the grinding machine manufacturing industry for decades, we are one of the earliest physical manufacturers in China to carry out the R&D, design and production of surface grinders.
Professional Manufacturer of Surface Grinders, CNC Surface Grinders and Precision Surface Grinders
MK74 Series CNC Vertical Spindle Rotary Table Surface Grinder is a high-efficiency surface grinder that grinds workpieces with the end face of the grinding wheel.
MK74 Series CNC Vertical Spindle Rotary Table Surface Grinder is a high-efficiency surface grinder that grinds workpieces with the end face of the grinding wheel.
The wheelhead column is connected with precision linear guide rails, driven by precision ball screw and imported precision reducer, equipped with high-end Siemens CNC system, which ensures higher precision and more reliable transmission. The column adopts three-point adjustment structure. It is mainly used for grinding parts made of steel, iron, ceramics and non-ferrous metals, and is suitable for mass production.
Technical Parameters
| Model | MK7475B | MK7480B | MK74100 | MK74125 |
|---|---|---|---|---|
| Max. Dimension of Ground Workpiece (Diameter × Height) | φ750×300mm | φ800×300mm | φ1250×350mm | φ1250×350mm |
| Distance from Grinding Wheel End Face to Worktable | 400mm | 400mm | 500mm | 500mm |
| Wheelhead Travel per Handwheel Revolution | 10,1,0.1mm | 10,1,0.1mm | 10,1,0.1mm | 10,1,0.1mm |
| Wheelhead Travel per Division | 0.1,0.01,0.001mm | 0.1,0.01,0.001mm | 0.1,0.01,0.001mm | 0.1,0.01,0.001mm |
| Grinding Wheel Spindle Speed | 970rpm | 970rpm | 750rpm | 750rpm |
| Grinding Wheel Size | φ450×φ380×150 | φ450×φ380×150 | WP150×80×25 | WP150×80×25 |
| Worktable Rotation Speed | Stepless Variable Speed | Stepless Variable Speed | Stepless Variable Speed | Stepless Variable Speed |
| Saddle Travel | 450mm | 450mm | 570mm | 570mm |
| Saddle Moving Speed | 4.18m/min | 4.18m/min | 3.8m/min | 3.8m/min |
| Total Motor Power | 36Kw | 36Kw | 50Kw | 50Kw |
| Wheelhead Motor Power | 30Kw | 30Kw | 45Kw | 45Kw |
| Vertical Servo Motor Torque | 16Nm | 16Nm | 22Nm | 22Nm |
| Worktable Rotation Motor Power | 3Kw | 3Kw | 3Kw | 3Kw |
| Machine Weight | 7000Kg | 7500Kg | 8000Kg | 9000Kg |
| Parallelism of Machined Surface to Datum Plane | 1000:0.02mm | 1000:0.02mm | 1000:0.02mm | 1000:0.02mm |
| Surface Roughness | Ra1.25μm | Ra1.25μm | Ra1.25μm | Ra1.25μm |
| Overall Dimension | 2500×1450×2400 | 2500×1450×2400 | 3500×1660×2550 | 3550×1660×2550 |
Machine Accessories
| Standard Attachment | Special Attachment |
|---|---|
| Grinding Wheel Chuck & Abrasive Segment | Wheel Balancing Arbor |
| Spanner | Wheel Balancing Stand |
| Scraper Brush | Inserted Wheel Flange |
| Machine Tool Leveling Pads | |
| Grinding Wheel Dressing Blade |
