SWL
Upgrade railway maintenance with the Suraj CNC Surface Wheel Lathe SWL Series from Sahil Machines, realizing precision and optimal wheel profiling and brake disc machining with high performance and Industry 4.0 integration. Features include automatic wheel set handling, heavy-duty cast iron structures, and electronic wear measurement; optional accessories include laser measurement and dust extraction for custom solutions.
| Model | SWL 22 | SWL 37 | SWL 45 | SWL 55 |
|---|---|---|---|---|
| Main Motor | 1 x 22 kW | 2 x 37.5 kW | 2 x 45 kW | 2 x 55 kW |
| Cutting Speed | 25 to 80 m/min | 25 to 80 m/min | 25 to 80 m/min | 25 to 80 m/min |
| Tool Post Feed | 0.1 to 3.5 mm/rev | 0.1 to 3.5 mm/rev | 0.1 to 3.5 mm/rev | 0.1 to 3.5 mm/rev |
| Tool Post Rapid Speed | 3000 mm/min | 3000 mm/min | 3000 mm/min | 3000 mm/min |
| Max. Chip Cross Section | 10 mm² | 16 mm² | 20 mm² | 20 mm² |
| Cycle Time / Wheel Set | 50-60 min. | 16-18 min. | 14-16 min. | 14-16 min. |
| Max. Tread Diameter | 1250 mm | 1250 mm | 1250 mm | 1250 mm |
| Min. Tread Diameter | 750 mm | 750 mm | 750 mm | 750 mm |
| Wheel Width | 75 to 145 mm | 75 to 145 mm | 75 to 145 mm | 75 to 145 mm |
| Max. Axle Length | 2750 mm | 2750 mm | 2750 mm | 2750 mm |
| Max. Weight of Wheel Set | 50 kN | 50 kN | 50 kN | 50 kN |
| Max./Min. Dia. for Brake Disc Machining | 700/250 mm | 700/250 mm | 700/250 mm | 700/250 mm |
| Accuracy Specifications | ||||
| Max. Difference in Dia. of Both Wheels | <0.5mm | <0.3mm | <0.15mm | <0.15mm |
| Accuracy of Wheel Profile | <0.3mm | <0.2mm | <0.2mm | <0.2mm |
| Radial Run Out of Wheel | <0.3mm | <0.3mm | <0.2mm | <0.2mm |
| Axial Run Out of Wheel | <0.3mm | <0.3mm | <0.2mm | <0.2mm |
| Profile Surface Finish | <12.5µm Ra | <12.5µm Ra | <12.5µm Ra | <12.5µm Ra |
| Brake Disc Machining (Optional) | ||||
| Min. Surface Finish | <2.5µm Ra | <2.5µm Ra | <2.5µm Ra | <2.5µm Ra |
| Flatness of Surface | <0.1/100mm | <0.1/100mm | <0.1/100mm | <0.1/100mm |
| Lateral Wobble | <0.3mm | <0.3mm | <0.2mm | <0.2mm |
