Tigerrig quality ensure government plant JC90DBS drawwork-Zhonghang(avic) Machinery Manufacturing Group Co., Ltd

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Tigerrig quality ensure government plant JC90DBS drawwork

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Features
Specification

Tigerrig quality ensure government plant JC90DBS drawwork

AC VF drawworks features

1.All bearings are roller bearing, all shaft material are alloy steel.

2.The drum is grooved.

3.Automatic feeding device

4.The main brake is hydraulic disk brake, water-cooled or air-cooled.

5.The auxiliary brake is dynamic brake.

6.Single-shaft drawworks

7.Dual stage gear reducer transmission, manual gear change

8.The gear is oil-lubricated

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Specifications

Model		JC40DB	JC50DB	JC70DB	JC90DB
Nominal drilling depth m	114mm drill pipe	2500-4000	3500-5000	4500-7000	6000-9000
Nominal drilling depth m	127mm drill pipe	2000-3200	2800-4500	4000-6000	5000-8000
Power rating kW (hp)		735 (1000 )	1100 (1500 )	1470 (2000 )	2210 (3000 )
Qty. of motor x power rating kW (hp)		1 ×720	2 ×720	2 ×1100	3 ×1100
Motor rated speed r/min		601	660	660	660
Drill line Dia. mm(in)		32 (1 1/4 )	35 (1 3/8 )	38 (1 1/2 )	45 (1 3/4 )
Max. drill line load kN		275	340	485	630
Drum size (Dia. x width) mm(in)		640×1139 (25 1/4 ×44 7/8 )	685×1138 (27 ×44 7/8 )	770×1439 (30 ×53 1/2 )	914×1556 (36 ×61 1/4 )
Brake disc size (Dia. x width) mm(in)		1500×76 (59 ×3)	1600×76 (63×3)	1520×76 (59 3/4)	1800×76 (70 7/8 ×3)
Automatic feeding motor power kW (hp)		45(60)	45(60)	45(60)	45(60)
Transmission		Single stage gear	Dual stage gear	Dual stage gear	Dual stage gear
Auxiliary brake		Dynamic brake	Dynamic brake	Dynamic brake	Dynamic brake
Dimension (L x W x H) mm		4230×3000 ×2630	5500×3100 ×2650	4570×3240 ×2700	6000×3400 ×2906
Weight kg		18600	22500	30000	42000