JC70 API 7K Standrad Drawworks JC70 for Oil Well Drilling Usage

Specifications

One feature of Uniaxial winch: high gear transmission efficiency, low vibration, low noise , long service life.

 

Product Features
 
Uniaxial winch features:
1 . Uniaxial winch the main components AC inverter motor , gear reducer, hydraulic disc brakes, rack winch drum shaft assembly, automatic drilling equipment and winch control system components.
2 high gear transmission efficiency, low vibration, low noise , long service life.
3 winch CVT done by CNC AC variable speed control system.
4 grooved drum winch uniaxial structure , slotted to API specification.
5 . Winch main brake is hydraulic disc brakes , brake assist Eaton as dynamic braking or braking .
6 winches with separate CNC AC variable frequency drives and computer control systems , enabling automatic drilling ;

Triaxial four -speed chain drive winch features:
1. shaft supports are made of roller bearings, shaft material are alloy steel .
2. drive chain were forced lubrication .
3. drum grooving. Drum high and low end with a ventilating air tube clutch . Cyclic rim with brake
Water cooled , disc brake rotors using forced circulation water cooling or air cooling , on the rim and brake disc friction
Surface by surface hardening , wear resistance and long service life.
4. sprocket tooth profile surface by IF quenching .
5. main brake band brake or hydraulic disc brakes. Auxiliary brake is dynamic braking , eddy current brake
Or Eaton brakes.

 

 

Main Parameter of Drawworks

Model	JC40	JC40D	JC50	JC50D	JC70	JC70D
Nominal drilling depth(km)	2.5-4.0	2.5-4.0	3.5-5.0	3.5-5.0	4.5-7.0	4.5-7.0
Rated Power(KW)	735	735	1100	1100	1470	1470
Max fast line pull (kN)	275	275	340	340	485	485
Rope diameter(in)	2001/1/4	2001/1/4	2001/3/8	2001/3/8	2001/1/2	2001/1/2
Drum (Dia.×L) (mm)	640×1235	640×1235	685×1245	685×1245	770×1436	770×1436
Weight(kg)	28240	37500	45210	48000	43000	61000