AC Variable Frequency Driven Drawworks

Description

Design Features：
> Four models for electrical driven Drawworks of AC variable frequency are at your option : JC40DB;JC50DB;JC70DB; JC90DB.
> Drawworks , Single drum structure .
> Main brake is hydraulic disc brake , Brake disc is water-cooled or air-cooled.
> Auxiliary brake is eddy current brake (water-cooled or air-cooled ),EATON brake is also available.
> Equipped with automatic driller according to customer requirements .

Parameter

Drawworks		JC-30DB/E750AC	JC-40DB/E1000AC	JC-50DB/E1500AC	JC-70DB/E2000AC	JC-90DB/E3000AC
Rated input power	KW	550	735	1100	1470	2210
Rated input power	HP	750	1000	1500	2000	3000
Max. pull of fastline	KN	210	275	340	485	640
Dia. Of wireline	mm	32	32	35	38	45
Dia. Of wireline	in	1-1/4	1-1/4	1-3/8	1-1/2	1-3/4
Drum diameter*length	Mm	640*1139	640*1139	685*1245	770*1439	915*1580
Drum diameter*length	in	25*45	25*45	27*49	30*57	36*62
Drawworks shifts		4/stepless	4/stepless	4/stepless	4/stepless
Main brake	Disc brake
Auxiliary brake	Motor dynamic braking
The max. lifting hook load	KN	1700	2250	3150	4500	6750
The max. lifting hook load	KIPS	375	500	700	1000	1500