The Niles-Simmons CNC Axle Grinding Machine (SG-803/2) is specifically designed to provide maximum performance and reliability for the precise grinding of railway axles. The machine can be easily programmed to accommodate various type of axles found in the rail industry. The machine features a hydrodynamic grinding spindle, and will accommodate a grinding wheel with maximum width of 304.8 mm (12”).
Machine Specifications
Capacity
| Swing Diameter | 23.6 in. | 600 mm |
| Bed Length | 157.5 in. | 4000 mm |
| Maximum Work Piece Length | 98.4 in. | 2500 mm |
| Maximum Work Piece Weight | 3306.9 lbs. | 1500 kg |
| Maximum Grinding Diameter | 20 in. | 508 mm |
| Minimum Grinding Diameter | 0.394 in. | 10 mm |
| Plunge Angle | 15 degrees | |
Grinding Spindle
| Drive Power 100% ED | 37 kW | |
| Maximum Disc Speed | 164 feet per second | 50 m/s |
| Disc Diameter | 35.98 in. | 914 mm |
| Disc Width | 12 in. | 305 mm |
Axis Speed
| Bed (Z-axis) | 0-590.55 in./s | 0-15000 mm/s |
| Grinding Slide (X-axis) | 0-590.55 in./s | 0-15000 mm/s |
Tool Taking Up
| Turning Head Size, DIN 55026 | A8 | |
| Maximum Torque on Main Spindle Drive | 258.15 ft. lbs. | 350 Nm |
| Quill Diameter | 7.09 in. | 180 mm |
| Quill Travel | 5.91 in. | 150 mm |
| Tailstock, Quill Center | MK 6 | |