Model ZM2000 Mill Gear Drive Unit
| Original manufacturer | Mafa Dessau, GDW |
| Used for | Cement mills |
| Rating / Motor rating | 2,000 kW |
| Design factor / Factor KA | 1.6 (no standardised design method) |
| Driving speed | 100 rpm |
| Transmission ratio | 6.125 |
| Bearings fitted | Plain journal bearings |
| Weight of gear drive unit | approx. 85,600 kg (without auxiliary drive) |
| Rehabilitation capability of the original gear drive | Difficult because of very heavy and bulky components. Gears with hardened and tempered teeth and not designed to meet fatigue strength requirements. |
Replacement Variant: VAKOMA® 2000V-1 Gear Drive Unit
With adapter exactly matching the foundation. Journals same as on original gear drive.
| Rating | 2,000 kW |
| Factor KA | 2.0 (designed to DIN 3990) |
| Driving speed | 16.3 rpm |
| Transmission ratio | 6.135 |
| Bearings fitted | Antifriction bearings |
| Weight | approx. 58,000 kg With baseframe to suit the foundation. |
| Life expectancy | > 60,000h |
 |
ZM2000 Original drawingDownload PDF-file |