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Hydraulic Rotary Crawler Water Drilling Machine

Model: CWD350

Chassis: Steel Track

Max. Drilling Depth: 350m

Drilling Method: Air Drilling & Mud Drilling

>> Application

CWD350 Multi-Functional Track Mounted Water Well Drilling Rig is a efficient,multi-function full hydraulic water well drilling rig.It is high efficiency because of having a larger torque of the turntable and is mainly used for water well in industry and agriculture, national defense building foundation, geological exploration, geothermic well and other foundation working, it is popular at home and abroad.

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PRODUCT DESCRIPTION

CWD350 crawler mounted drilling rig can drilling in all kinds formations by mud drilling in soft formation and air DTH hammer in rock drilling, DTH Hammer is applied in rock drilling, slag is discharged by air pressure and the offstage efficiency is ten times than traditional rotary drilling.

CWD350 deep water well drilling rigs, in cutting drilling or rotary drilling can be operated in unconsolidated layer, and the slag can be discharged under by mud, the impact drilling operation can also be adopted and slag can be discharged by pressure air, the hydraulic water well drilling rig suitable for drilling complicated geological conditions.

>> Characteristics

>> The drilling rig can use air DTH Hammer drilling and mud drilling.

>> Centralized control console is suitable for each manipulation and control. Rapid pulling and lifting reduce the auxiliary time and enhance the work efficiency.

>> The main drive system, the transfer case, gearbox, double-winch unit, mud pump, turntable,drilling tower, feed system are set up on the chassis.

>> It's a hydraulicrotary drilling rig with directional circulation. It can equipped with BW450 mud pump which adopts the slurry as the washing fluid and can drill on clay, sand and rock if it is equipped with suitable drilling bit.

>> The power of drilling rig comes from a diesel engine, 91kw YUCHAI engine drives the large displacement high pressure plunger pump and it is characterized by powerful dynamic and stable performance.

>> The rotary head,have two gear,rotation speed is 65-130rpm and the rotary torque is 6500-8500Nm.

>> The pulling force can be regulated and controlled, which adapt the machine to deep hole drilling.

>> The main drive of rig is hydraulic and the four landing legs and drilling tower are hydraulic controlled. Transfer case and mud pump clutch system are also hydraulic operated.

>> The Hydraulic auxiliary functions are easy and efficient for guide extension, boom swing, boom lift, guide dumping.

>> Specification

Item	Specification	Unit	CWD350
General	Geology drilled		All Kind
	Drilling Type		DTH & MUD
	Drill system and operation		Hydraulic
	Hole Diameter	mm	Φ90—Φ450
	Hole Depth	m	350
Rotation	Rotation Torque	Nm	3250-6500
Rotation	Rotation Speed	rpm	70-140
Feeding System	Drill pipe diameter	mm	89/102/114
	Drill pipe length	mm	6000
	Max. Feed Speed	M/min	60
	Max. Lifting Speed	M/min	30
	Feed Stroke	mm	6600
Winch	Max. Pull back Capacity	T	19
Winch	Lifting force of Winch	T	1.5
Engine	Diesel Engine type		4Cylinder,water cooling
	Diesel Engine Brand		YUCHAI
	Rated Horse power	Kw	88
Compressor required(Optional)	Pressure Required	Mpa	15-30
Compressor required(Optional)	Air consumption	m³/min	1.5-2.5
Mud Pump(Optional/Separate)	Model		BW450
	Displacement	L/Min	450
	Discharge pressure (Mpa)	Mpa	2
Dimension	Net Weight	T	7.4
	Transportation dimension	mm	570017502340
	Work Dimension	mm	375028009350
	Ground Clearance	mm	305