| Model of rig | JC40DB | JC50DB | JC70DB | |
|
Nominal drilling depth, m(ft) |
with Ф114mm(41/2”)DP |
2500-4000(8200-13100) | 3500-5000(11500-16400) | 4500-7000(14800-23000) |
|
with Ф127mm(5”) DP |
2000-3200(6600-10500) | 2800-4500(9200-14800) | 4000-6000(13100-19700) | |
| Rated power, kW (hp) | 735 (1000 ) | 1100 (1500 ) | 1470 (2000 ) | |
|
Qty. of motors ×rated power, kW (hp) |
2×400(544)/ 1×800(1088) |
2×600(816) | 2×800(1088) | |
|
Rated speed of motor, r/min |
660 | 660 | 660 | |
|
Dia. of drilling line, mm(in) |
32 (11/4 ) | 35 (13/8 ) | 38 (11/2) | |
|
Max. fastline pull, kN (kips) |
275(61.79) | 340(76.40) | 485(108.36) | |
|
Main drum size (D×L), mm (in) |
640×1139 (251/4×44 7/8 ) |
685×1138(27 ×447/8 ) | 770×1439(30 ×531/2 ) | |
|
Brake disc size (D×W), mm(in) |
1500×76 (59 ×3) | 1600×76 (63×3) | 1520×76 (593/4) | |
|
Motor power of automatic driller, kW (hp) |
45(60) | 45(60) | 45(60) | |
| Transmission type |
Single-stage gear Transmission |
Double- stage gear Transmission |
Double- stage gear Transmission |
|
| Auxiliary brake |
Energy consumption brake |
Energy consumption brake |
Energy consumption brake |
|
|
Overall dimension(L×W×H),mm(in) |
4230×3000×2630 (167×118×104) |
5500×3100×2650 (217×122×104) |
4570×3240×2700 (180×128×106) |
|
| Weight, kg(lbs) | 18600(41005) | 22500(49605) | 30000(66140) | |
