The NDI500-9L is the benchmark for mining operations in China. It is a reliable choice for heavy mines under severe conditions, high reliability and durability, and fuel efficiency is the main competitiveness. The stylish appearance of the atmosphere is more conducive to the rental of reliable low-emission and high-efficiency engines, which guarantees fuel economy while ensuring the performance of the equipment.
| MODEL | NDI 500 |
| 사양 | |
| weight（kg） | 48000 |
| bucket （m³） | 2.17 |
| boom length(mm) | 7100 |
| stick lenght(mm) | 3350 |
| Performance | |
| swing speed（rpm） | 8.9 |
| walking speed（Km/h） | 3.0-5.0 |
| bucket digging force（KN） | 286.2/303.8 |
| stick digging force（KN） | 212.7/225.4 |
| Engine | |
| engine model 1 | DoosanDE12 |
| rated power（Kw/rpm） | 238/1800 |
| engine model 2 | Isuzu6UZ1 |
| rated power（Kw/rpm） | 257/1800 |
| cooling method | water cooling |
| Hydraulic system | |
| main pump type | variable axial piston pump |
| main pump flow（L/min） | 2*355 |
| main overflow setting pressu | 32.3/34.3 |
| walking hydraulic circuit(Mpa) | 32.5 |
| rotary hydraulic circuit(Mpa) | 29.6 |
| Mainbody size | |
| total length(mm) | 12132 |
| total width(mm) | 3342 |
| total height(mm) | 3700 |
| cabin height(mm) | 3350 |
| Body to ground distance(mm) | 1458 |
| Crawler length(mm) | 5460 |
| crawler palte width(mm) | 600 |
| ground crawler length(mm) | 4052 |
| Crawler width(mm) | 3350 |
| Minimum ground distance(mm) | 772 |
| tail radius of gyration(mm) | 3750 |
| Work range | |
| maximum diggigng distance(mm) | 12110 |
| maximum diggigng distance(mm) | 11865 |
| maximum digging depth(mm) | 7800 |
| maximum digging height(mm) | 11050 |
| maximum unloading height(mm) | 7900 |
| maximum digging vertical wall depth(mm) | 4400 |
Optimization of key structural members
The service life of key structural parts is comprehensivelyimproved through optimization design of structural partsstress test, weld and plate research, durability test, 100%UT flaw detection of key parts and biaxial fatigue test.
