Machine Comparison
Studer S33 vs Studer S41
United Grinding (Studer) vs United Grinding (Studer) · CNC Grinding Machines
Summary
The Studer S33 and the Studer S41 are both CNC cylindrical grinding machines for shafts, and both carry a 508 mm (20 inch) grinding wheel. The Studer S41 is the larger machine: its center height is 275 mm (10.8 inch) against 175 mm (6.9 inch), and its workpiece load is 250 kg (550 lbs) against 150 kg (330 lbs).
The Studer S41 also has more spindle power, 15 kW (20 hp) against 8 kW (10 hp), and its spindle speed is listed at 4'500 rpm against 3'200 rpm. The Studer S33 covers shorter work: it comes with Z travel of 500 mm, 800 mm, 1'150 mm or 1'750 mm, where the Studer S41 is offered only in the two longer versions. Its X travel is slightly longer too, 370 mm (14.6 inch) against 350 mm (13.8 inch).
Specifications Comparison
| Specification | Studer S33 | Studer S41 |
|---|---|---|
| X-Axis Travel | 370 mm (14.6 inch) ▲ | 350 mm (13.8 inch) |
| Z-Axis Travel | 500 mm / 800 mm / 1'150 mm / 1'750 mm (19.7 inch / 31.5 inch / 45.3 inch / 68.9 inch) | 1'150 mm / 1'750 mm (45.3 inch / 68.9 inch) |
| Max Table / Workpiece Load | 150 kg (330 lbs) | 250 kg (550 lbs) ▲ |
| Max Spindle Speed | 3'200 rpm | 4'500 rpm ▲ |
| Spindle Power | 8 kW (10 hp) | 15 kW (20 hp) ▲ |
| Max Grinding Wheel Diameter | 508 mm (20 inch) | 508 mm (20 inch) |
| Center Height | 175 mm (6.9 inch) | 275 mm (10.8 inch) |
Advantages
Studer S33
- Four Z travel versions from 500 mm to 1'750 mm, where the Studer S41 offers only 1'150 mm and 1'750 mm
- 370 mm (14.6 inch) of X travel against 350 mm (13.8 inch)
- Sized for finishing and moderate stock removal on lighter shafts, where 8 kW (10 hp) is enough
Studer S41
- 250 kg (550 lbs) workpiece load against 150 kg (330 lbs)
- 15 kW (20 hp) spindle power against 8 kW (10 hp)
- 275 mm (10.8 inch) center height against 175 mm (6.9 inch), for larger-diameter work
- Spindle speed listed at 4'500 rpm against 3'200 rpm
Verdict
Choose by workpiece size. The Studer S33 fits shops grinding lighter shafts up to 150 kg (330 lbs), including short parts on the 500 mm and 800 mm versions, with 8 kW (10 hp) for finishing and moderate stock removal. The Studer S41 is the choice for heavy shafts and rolls up to 250 kg (550 lbs) and for large diameters on its 275 mm (10.8 inch) center height, with 15 kW (20 hp) for wide plunge cuts.