| DESCRIPTION | SPECIFICATION |
| Type of machine | Gantry type Grab Ship Unloader for Iron Ore & Coal |
| Capacity of Machine | Grab operation: 20.000kgs at the ropes
Hook beam operation: 20.000 kgs at the hook Chain beam: 7.500 kgs at the beam Plate handling beam: 5.000 kas at the beam |
| Rated Capacity (Free Digging: | 750 TPH of Iron Ore Pellet, and 1000 TPH of Coal |
| Grab Buckets | Four Rope Operated, one Grab to suit iron ore pellets @2,2 Te/m3 and one grab to suit coal
@1 2 Te/m3• |
| Electrical Supply | 6.0 kV, 3 Phase, 50 Hz. |
| Control system | SIEMENS
PLC : S7-400 variable speed drive: SIMOREG & SIMOTRAS |
| Outreach from centre of waterside rail·· · | 28m |
| Backreach from centre of landside rail | 3m |
Rail Centres 12,5 m
| Controllers
• Main Hoist • Trolley • Boom Hoist • Lono Travel |
• Simoreg • Simoreg • Simotras • Simotras |
| Traveling Track
1 Track Centers 2 Size of Rail Head 3 Maximum corner load Working, including worst wind. 4 Stowed, including starm winds |
12,5 m 100mm 198 tonnes at seaward rail 178 tonnes at landward rail 186 tonnes at seaward rail 186 tonnes at landward rail |
| Operational Speed:
• Hoisting and lowering • Grab opening and closing • Trolley travel • Boom Hoisting • Long Traveling • Cabin travel |
All loads at 132 m/min All loads at 132/237 m/min All loads at 240 m/min Boom raised in 5 minutes All loads 20 m/min 40 m/min |
| Automatic Cycle Time Manual Cycle Time | 54 second
45 second (free digging) |
| Traveling Wheels | 32 wheels – 8 per corner |
| Ropes | 6 x 36 construction to BS302 in 180 kg/mm sq steel
Factors of safety in accordance with BS 2573 Pt.2 |
| Type of Driver’s cabin | Runway mounted |
| Wheel Base | 14 m | |
| Height of lift from rail level to lower face of Open grab | 14 m | |
| Depth of lift from rail level to lower face of Open grab | 14 m | |
| Range of Iift | 28 m | |
| Number of wheels per comer | 8 | |
| Max. corner load at waterside/landside | 220/180 tons | |
| type of track rail | A 100 | |
| Waterside boom | hinged | |
| Design Standard | DIN 120 Group III | |