Jining Donghong Machinery Co., Ltd
Quality supplier of drilling rig parts for Bomco,Lanzhou LS, Honghua, Sj petro, Rg Petro, Beijing BPM, Shenkai, Kingdream, CCDC

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Dc motor driven drawworks LS-NOW

Brand：	LS-NOW
Model：	JC40D,JC50D,JC70D,JC90D
Present point：	0
Point offset：	0.0

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DC Motor Driven Drawworks

Features:

1.Bearings are roller ones and shafts made of alloy steel.

2.On the drum there is a spiral groove.The low-speed & high-speed ends of drum shaft are equipped with a ventilating air clutch.

3.The hydraulic disc brake is regarded as main brake.The disc brake is water or air cooled.

4.The eddy current brake(air&water cooled) is considered as an auxiliary brake.

5.Air gear-shifting structure.

6.Chain drive structure.

7.Chains are pressure lubricated and bearings are greased.

8.Split structure.

Parameters of DC Motor Driven Drawworks

Model		JC40D	JC50D
Nominal depth rang m	ø114mm drill pipe	2500-4000	3500-5000
	ø127mm drill pipe	2000-3200	2800-4500
Rated input power kw(hp)		735(1000)	1100(1500)
No.*Rated Power (KW) of motors		2*580	2*800
Rated speed of motor r/min		880/970	970
Dia.of wire line mm		32	35
Max.pull of fast line kn		275	340
Drum(Dia.*Length) Band brake mm		640*1235	685*1245
Brake rim(Dia.*Width)		1168*265	1270*267
Drum(Dia.*Length) Disc brake mm		640*1139	685*1138
Brake disc(Dia.*Width) mm		1500*40	1600*76
Sandline reel(Dia.*Length) mm		356*1245	356*1245
Capacity of sandline reel (ø14.5 wire line) m		4000	5000
Auxillary brake		DS40	DS50
Overall dimension(LWH) mm		660037102990	680045372998
Weight kg		40000	48000

Model		JC70D	JC90D
Nominal depth rang m	ø114mm drill pipe	4500-7000	6000-9000
	ø127mm drill pipe	4000-6000	5000-8000
Rated input power kw(hp)		1470	2210
No.*Rated Power (KW) of motors		2*800	3*800
Rated speed of motor r/min		970	970
Dia.of wire line mm		38	45
Max.pull of fast line kn		485	630
Drum(Dia.*Length) Band brake mm		770*1439	914*1556
Brake rim(Dia.*Width)		1370*267	1575*264
Drum(Dia.*Length) Disc brake mm		770*1361	914*1556
Brake disc(Dia.*Width) mm		1600*76	1600*76
Sandline reel(Dia.*Length) mm		356*1245	356*1448
Capacity of sandline reel (ø14.5 wire line) m		6400	7500
Auxillary brake		DS70	DS90
Overall dimension(LWH) mm		767045853197	787454862997
Weight kg		61000	70000

Product&Reapir: Crown block(TC225 TC250 TC315 TC450 TC585), Travelling block(YC225 YC250 YC315 YC350 YC450 YC450S YC585), Hook(DG225 DG250 DG315 DG350 DG450 DG585 DG675), Rotary table(ZP175 ZP205 ZP275 ZP375 ZP975AS ZP495), Swivel(SL225 SL250 SL450 SL585), Drawworks(JC20 JC30 JC40 JC50 JC70B JC90DB), Mud pump (F-500 F-800 F-1000 F-1300 F-1600 F-1600HL F-2200 F-2200HL 3NB500C,3NB1000C 3NB1300C 3NB1600 SL3NB-1000 SL3NB-1300A SL3NB-1600A),BOP(FH,FZ,Cameron,Shaffer), Control System for Surface Mounted BOP Stacks(FKQ,FKDQ), Disc brake (PS,PSZ, DBS), Bladder accumulator (NXQ), Drilling rig(ZJ40/2250DZ ZJ50/3150DZ ZJ70/4500DZ ZJ90/6750DZ), Workover rig (XJ40,XJ60, XJ80,XJ100,XJ12,ZJ15,ZJ20,ZJ3,XJ350, XJ450, XJ550,XJ650,XJ750), BPM Top drive((DQ120BSC, DQ90BSD, DQ90BSC, DQ80BSC, DQ70BSD, DQ70BSE, DQ70BSC, DQ50BC, DQ40BC, DQ40BSG, DQ40BCQ, DQ40YR, DQ30Y) Make: Bomco, Lanzhou LS,LSPE, SJ Petro, RG Petro, Sichuan Honghua, CPTDC, Beijing BPM, Shanghai Shenkai, Kingdream, CCDC, SJS Serva, DFXK, LS-NOV, Beijing PSK, Gold basin, Renqiu Boke,Guangdong Dongsu.(Guangshi), XBSY., Tiehu, Rongsheng (HBRS), TSC. Replacements:Mission magnum/Halco centrifugal pump, Cameron FC gate valve,Cameron R check valve, Demco mud valveE( 3K&5K ), Demco butterfly valve,BJ varco handling tools (SDXL, SDML, SDS,DCS,SSC,SSD,YT, HYC, LYT, MP, MYT, MG, RGG, HGG, MGG, TA, SJ), MI SWACO / Mongoose / Derrick / /Brandt / King cobra shale shaker screen (FLC2000,FLC503,Derrick 626), M/D & OTECO Gauge(Type F,Type D,Model 6,Model 7,Model 8), Twin disc,WPT, Eaton clutch & friction disc, National (10-P-130,12-P-160 ,14-P-220 ,8-P-80 ,9-P-100), Gardner denver (PZ-7,PZ-8,PZ-9,PZ-10,PZ-11), EMSCO FB1600. International Brand: Moog, CCS, ATOS, Rexroth, Eaton, Flowrox, Italvibras, Martin, Norgren, Parker, Siemens, Vickers, 3M. Standard:API Spec 4F, API Spec 6A,API Spec 6D,API Spec 600, API Spec 7K, API Spec 8A, API Spec 8C,API Spec 16A, API Spec 16C, API Spec 16D

Jining Donghong Machinery Co., LtdQuality supplier of drilling rig parts for Bomco,Lanzhou LS, Honghua, Sj petro, Rg Petro, Beijing BPM, Shenkai, Kingdream, CCDC

Jining Donghong Machinery Co., Ltd
Quality supplier of drilling rig parts for Bomco,Lanzhou LS, Honghua, Sj petro, Rg Petro, Beijing BPM, Shenkai, Kingdream, CCDC