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VOUMARD 3 A is an internal grinding machine with high precision, strong accuracy and proven reliability. Capacities: max internal Ø 50 mm, grinding depth 80 mm, centre height 200 mm, table travel 2–300 mm, max angle 120°. Specs: work spindle 350–1200 rpm (stepless), grinding spindle up to 18,000 rpm, 15 kW, 3×380 V 50 Hz, weight ≈2200 kg, dims 1800×1500×1600 mm. Accessories: magnetic chuck Ø200 mm, redressing device, coolant system, lamp, chuck protection. Achieves tight tolerances; typical sectors: automotive, watchmaking, machine tools, aerospace, medical.
| Max. internal grinding diameter | 50 mm |
| Grinding depth | 80 mm |
| Centre height | 200 mm |
| Workpiece spindle speeds: | |
| stepless | |
| from | 350 t/min |
| up to | 1200 t/min |
| Max. angle | 120 ° |
| Spindle hole | 25 mm |
| from | 18000 t/min |
| Grinding table travel: | |
| min. | 2 mm |
| max | 300 mm |
| Table speeds: | |
| from | m/min |
| up to | 10 m/min |
| Voltage 50 Hz 3x | 380 Volt |
| Drive for internal grinding spindle | 15 kW |
| Machine's weight about | 2200 kg |
| Overall dimensions machine: | |
| Length | 1800 mm |
| Width | 1500 mm |
| Height | 1600 mm |
| Various accessories: | |
| Redressing device | |
| Macnetic chuck diameter | 200 mm |
| Coolant system | |
| Lamp | |
| Lathe chuck protection |
