VFD/AC drawworks JC120DB,JC50DB,JC90DB,JC40DB,JC70DB
Model | JC120DB | JC50DB | JC90DB |
Rated input power hp | 4, 000 | 1, 500 | 3, 000 |
Max pulling of fast line kN | 850 | 335 | 640 |
Diameter of drilling line in (mm) | 1-7/8” (48) | 1-3/8” (35) | 1-3/4” (45) |
Drum size (D×W) mm | 1, 320×2, 312 | 770×1, 287 | 1, 080×1, 838.7 |
Hoisting speeds | 2+2R | 1+1R or 2+2R | 2+2R |
Main brake | Disc brake | Disc brake | Disc brake |
Auxiliary brake | Regenerating brake | Regenerating brake | Regenerating brake |
Overall dimensions | 12, 000×3, 350 | 6, 530×3, 192 | 10, 000×3, 350 |
(L×W×H) mm | ×3, 260 | ×2,680 | ×3, 035 |
Weight kg | 111, 000 | 36, 000 | 76, 300 |
Model | JC40DB | JC70DB |
Rated input power hp | 1000 | 2,000 |
Max pulling of fast line kN | 280 | 475 |
Diameter of drilling line in (mm) | 1-1/4” (32) | 1-1/2” (38) |
Drum size (D×W) mm | 644×1, 177.4 | 770×1, 402.2 |
Hoisting speeds | 1+1R | 2+2R |
Main brake | Disc brake | Disc brake |
Auxiliary brake | Regenerating brake | Regenerating brake |
Overall dimensions | 7, 000×3, 695 | 7, 920×3, 050 |
(L×W×H) mm | ×3, 010 | ×2, 680 |
Weight kg | 39, 125 | 46, 500 |