Thông số kỹ thuật máy mài tròn ngoài GU20x40S
| Máy mài tròn ngoài Palmary | Model GU20x40S | 
|---|---|
| Capacity | |
| Distance between centers | 400 mm | 
| Swivel over table | Ø200 mm | 
| Max. load of centers | 60 kg | 
| Max. external grinding diameter | Ø180 mm | 
| Wheel head | |
| Swivel angle | ±30° | 
| Manual distance | 135 mm | 
| Auto. rapid advance | 25 mm | 
| Sliding seat supplementary displacement | 95 (total 255) mm | 
| Min. setting unit (micro-adjust) | 0.001 mm | 
| One turn of handwheel (graduation) | 2 (0.005) mm | 
| Grinding wheel | |
| O.D. x width x I.D. | Ø355 x 38 x Ø127 mm | 
| Speed (belt type) | 2085 r.p.m. (50 Hz) / 2495 r.p.m. (60 Hz) | 
| Work spindle head | |
| Swivel angle | 120° (+90°, -30°) | 
| Center taper | MT. 3 | 
| Spindle speed (variable) | 10~300 r.p.m. | 
| Max. load of spindle (tool holder includer) | 15 kg (max. length : 100 mm) | 
| Tailstock | |
| Taper center | MT. 3 | 
| Stroke | 20 mm | 
| Table | |
| Swivel angle | -3° ~ +12° | 
| Traverse speed | 50 / 5400 mm/min | 
| Auto. reciprocate min. stroke | 8 mm | 
| Feed of one turn of handwheel (2-step) | 20 mm (2 mm) | 
| Motor | |
| Wheel spindle | 2.2 kW (4 P) | 
| Workhead spindle | 0.37 kW (4 P) | 
| Hydraulic pump | 0.37 kW (4 P) | 
| Wheel spindle lubrication pump | 0.18 kW (2 P) | 
| Coolant pump | 0.18 kW (2 P) | 
| Internal grinding spindle (opt.) | 0.18 kW (2 P) | 
| Tank | |
| Wheel spindle lubricant tank | 7 L | 
| Hydraulic tank | 63 L | 
| Coolant tank | 110 L | 
| Machine weight | 2000 kg |