Diamond Core Drill in Africa

Product Application
DF-H-5A is mainly used for exploration and prospecting of geology, metallurgy, coal, nuke industry, hydrology and for other industries fields. It is a core drilling rig by using diamond and carbide-tipped bits mainly.It adopts the advanced load sensitive control technique, the drill rig has reduced the power consumption and heat generation to the lowest level. With an elegant outline, compact structure, reliable performance and operation easily, it should be the priority equipment to be selected in the full hydraulic core drill rig of present domestic market.

Technical Parameters

Diesel Engine	Model		Cummins 6CT A8.3-C195  (turbocharged and charge water cooled)
	Displacement		8.3L (2.19 US Gallons)
	Power		145kW (195HP)
	Rated RPM(Factory setting)		2200rpm
Drilling Capacity	BQ		1500 m(4920 feet)
	NQ		1300 m(4264 feet)
	HQ		1000 m(3280 feet)
	PQ		680 m(2230 feet)
Drill Head	Rotation Motor		Double Hydraulic Motors -variable and Reversible Maker:SAUER-DANFOSS
	RPM		Two Shifts/ Stepless Change 0-1145 RPM
	Ratios		1st  8.776:1 2nd  2.716:1
	Head Opener		sidewise sliding way with hydraulic drive
	Hydraulic Chuck(PQ)		Hydraulically opened, Disc Spring Clamping, Normally Closed Type Axial Holding Capacity of  222 400 N
	Max. Torque		4650 N·m(3427 lbf·ft)
	Hold Diameter		121 mm(4.76 inch)
	Max. Lifting capacity of Spindle		150 kN(33720 lbf)
	Max. Feeding Power		75 kN(16860 lbf)
Primary Pump Package		Axial Piston variable displacement Triplex pump for driving of Drill Head Rotation, Main Hoist, Mud Pump & Line Winch.		Maker:    DANFOSS 1st Pump:150LPM at 28.5MPa 2nd Pump:120LPM at 25MPa 3rd Pump:  102 LPM at 25MPa
Hydraulic Tank		Capacity		420 L (111 US Gallons)
Capacity of Main   Hoist		Hoisting Speed (single wire)		38-70m/min(bare drum)
		Hoisting force (single wire)		77kN(17310 lbf)
		Steel Wire Diameter		18 mm(0.71 inch)
		Steel Wire Length		50 m(164 feet)
Capacity of Wireline Hoist		Hoisting Speed (single wire)		164m/min (bare drum)
		Hoisting Force (single wire)		12 kN(2698 lbf) (bare drum)
		Steel Wire Diameter		6 mm(0.24 inch)
		Steel Wire Length		1500 m(4920 feet)
Mast		Mast Height		11 m(36 feet)
		Mast Adjusting Angle		0°-90°
		Drilling Angle		45°-90°
		Feeding Stroke		3800 mm(150 inch)
		Slippage Stroke		1500 mm(59 inch)
		Feed Pull		15000kg(33075 lb)
		Feed Thrust		7500kg(16538 lb)
		Rod Pull		3m or 6m(9.84feet or 19.68feet)
Mud Pump		Type		Reciprocating Pump Triplex Plunger
		Model		BW250
		Stroke		100mm(3.9 inch)
		Output volume		250,145, 90, 52 L/min (66, 38, 24, 14 US Gallons/min)
		Discharge pressure		2.5, 4.5, 6.0, 6.0 Mpa (363, 653, 870, 870 psi)
Foot Clamp		Clamping Scope		55.5-117.5 mm(2.19-4.63 inch) through hole Ф154mm(6.06 inch)
Other		Weight		13000 Kg(28665 lb)
		Dimensions (L × W ×H )		5600×2240×2650mm (220×88.2×104.3 inch)
		Transport Way		Steel Crawler

Other models for your reference: 

Model	Drilling capability			Spindle speed	Chassis
	BQ	NQ	HQ
DF-H-2	350	230	120	0~900 rpm	Crawler Or truck
DF-H-4	1000	700	500	0~1100 rpm	Crawler Or truck
DF-H-5	1500	1300	1000	0~1145 rpm	Crawler Or truck
DF-H-5W	1500	1300	1000	0~1145 rpm	Trailer
DF-H-6	2000	1600	1300	0~1100 rpm	Crawler Or truck
DF-H-8	3200	2400	1700	0~1250 rpm	Crawler Or truck

Key Points To Buy
In order to order the suitable product,firstly you need to make sure the following details:
1. Application: What kinds of projects you will work for,Water well,Borehole,Exploration coring,Foundation
Piling or others?
2. Drilling depth: The Max. depth of drilling you hope to achieve?
3. Drilling Caliber: The Min. and Max. hole diameter you estimate?
4. Stratum: Condition of the environment, Soft ground like soil,mud,Hard ground like rocks or Mixed the
soft and hard layers?


Anne Bai
Zhengzhou DEFY Mechanical&Electrical Equipment Co., Ltd
ADD: No. 96 Ruida Road, High-Tech Zone, Zhengzhou,China
Office tel:86-371-55819257 / 63330731
Mobile phone:+86-15136212564
Website: www.zzdefydrillrig.com