Tigerrig JC50 Mechanical Drawwork
Mechanical drawworks features
All bearings are roller bearing, all shaft material are alloy steel
The chains are high precision and high strength chains with forced lubrication
The drum is grooved. The high speed end and low speed end of drum adopt pneumatic tube clutch; the brake drum and brake disk adopt forced water cooling; the brake drum and brake disk are case-hardening treated with excellent wear-resistance capacity and long service life
The tooth profile of sprocket is intermediate frequency hardening treated, all shifting clutch are involute spline type clutch
The main brake is band brake or hydraulic disk brake, the auxiliary brake is eddy current brake (water-cooled or air-cooled)
Specifications
Model
JC40
JC50
JC70
Nominal
drilling depth m
Ф114mm drill pipe
2500-4000
3500-5000
4500-7000
Ф127mm Drill pipe
2000-3200
2800-4500
4000-6000
Rated power kW（hp）
735 (1000)
1100 (1500)
1470 (2000)
Max. fast line pull KN
275
340
485
Drill line Dia. mm(in)
32 (1 1/4 )
35 (1 3/8 )
38 (1 1/2)
Drum size (Dia. x width) mm(in)
640 ×1235 (25 1/4 ×48 1/2 )
685×1245 (27 ×49 )
770×1436 (30 ×56 1/2 )
Brake drum size (dia. x width) mm(in)
1168×265 (46 ×10 1/2 )
1270×267 (50 ×10 1/2 )
1370×267 (54 ×10 1/2 )
Brake disc (dia. x width) mm(in)
1500×76 (59 ×3)
1600×76 (63 ×3 )
Sand drum size (dia. x width) mm(in)
356×1245 (14×49 )
356×1430 (14 ×56 1/4 )
Sand drum capacity (Ф14.5 drill line) (ft)
3500 (11480 )
4500 (14760 )
6000 (19685 )
Auxiliary brake
DS40
DS50
DS70
Dimension (L x W x H) mm
6450×2560×2482
7000×2955×2780
7930×3194×2930
Weight kg
28240
45210
43000