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Drawworks Max. pulling of fast-line 80 KN Diameter of wire rope 22 mm
Descriptions of Drawworks Max. pulling of fast-line 80 KN Diameter of wire rope 22 mm:
With inner gear shift and outer gear shifter in drawworks.
Shafts adopt superior alloy steel, bearings adopt roller bearings.
All the chains are forced lubrication.
Drum grooved, and the high-speed and low-speed ends of the drum shafts are equipped with ventilated-type air tube clutches. The brake rim is circulation water cooled.
Band or disc brake is master brake. Auxiliary brake is electromagnetic eddy current brakes.
Specifications :
| Model | JC10B | JC15DB | JC30B | JC30DB | JC40B | JC40D |
| Nominal drilling depth(4 1/2＂ DP) m | 1000 | 1500 | 3000 | 3000 | 4000 | 4000 |
| Rated Input power KW | 210 | 500 | 440 | 600 | 735 | 800 |
| Max. pulling of fast-line KN | 80 | 150 | 200 | 210 | 280 | 280 |
| Diameter of wire rope mm | 22 | 26 | 29 | 29 | 32 | 32 |
| Drum size (D×W) mm | 400×650 | 473×900 | 560×120 | 508×1000 | 644×1208 | 644×1208 |
| Sand drum size (D×W) mm | - | - | - | - | - | 400×1080 |
| Sand drum capacity m | - | - | - | - | - | 4000 |
| Hoisting speeds | 2F+2R | 2F+2R | 4F+1R | 1F+1R | 4F+2R | 4F+4R |
| Speeds for cathead shaft | 2 | - | - | - | - | 2 |
| Auxiliary brake | - | FDWS15 | FDWS30 | Regenerating brake | FDWS40 | FDWS40 |
| Overall dimensions (L×W×H) | 7390×2500×2410 | 4500×2400×2500 | 6500×2500×2800 | 4700×2800×2552 | 6300×2628×2699 | 7000×3695×3010 |
| Weight kg | 9800 | 11000 | 17500 | 20366 | 28000 | 39125 |