Changsha Exploration Machinery Co., Ltd.

A8 FULL HYDRAULIC SURFACE CORING RIG

The A8 Full Hydraulic Surface Core Drilling Rig is designed for surface core drilling operations. It adopts **CUMMINS engine** as the power unit to deliver sufficient and stable power output. The hydraulic system is equipped with complete **load-sensing pump sets and supporting hydraulic components**, featuring excellent pressure resistance and sensitive response, which greatly improves the durability and operational reliability of the whole machine. Fitted with remote-controlled crawler chassis for flexible site transfer, the rig has optimized body structure and multiple safety functions to ensure safe drilling and efficiently complete various surface core sampling projects.

category：Core Drilling

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Hotline:

86-13036792585

Product Message

A8 FULL HYDRAULIC SURFACE CORING RIG

A8 FULL HYDRAULIC SURFACE CORING RIG
Concept
A8 fully-hydraulic surface rig is specially designed for surface drilling operation. The remote-controlled crawler design facilitates equipment movement. The rig adopts the international famous hydraulic components to ensure the service life and reliability of the equipment, optimizes the structural design to ensure stability and firmness, a variety of functional designs to improve equipment safety and drilling efficiency.

Main Technical Character

1、The crawler basic that meets the transport size is convenient for long-distance transportation and movement in drilling site

2、Remote control and hydraulic pilot control crawler move to ensure operator safety;

3、Telescoping derrick can realize rig moving operation efficiently in drilling site.

4、The reversible drilling head design facilitates overshot operation;

5、The floating drilling head can effectively protect the rod thread and reduce operator safety risks

6、The nitrogen spring chuck ensure stable clamping

7、Cummins diesel engine meet emission policy;

8、Optimize the hydraulic system and select international famous hydraulic components ensure rig reliable performance and more energy-efficient;

9、Self-regulation foot clamp to ensure reliable clamping;

Technical Information

Drilling depth guidelines	B	3110 m
	NV-WALL	2685 m
	N	2400 m
	HV-WALL	2020 m
	H	1625 m
	P	1070 m
Engine	Type	CUMMINS/QSC8.3-C275
	Displ.	8.3 L
	Power	205KW
Hydraulic System	Primary Pump	Load Sensing
	Max Pressure	310 Bar
	Max Flow	318 L/m
	2^nd Pump	Load Sensing
	2^nd Max Pressure	210 Bar
	2^nd Max Flow	143 L/m
	3^ndPump	Load Sensing
	3^nd Max Pressure	140 Bar
	3^nd Max Flow	36 L/m
	Hydraulic Oil Cooler	Air-cooled
Drill Head	Speed RPM	130-1300 RPM
	Torque Range	560-5800 Nm
	Feed Stroke	3500 mm
	Spindle Dia	117 mm
	Holding Capacity	200 kN
Drill Mast and Feed System	Mast Length	13.7 m
	Mast Dump	1.3 m
	Rod Pull Length	9 m
	Max Pull Capacity	260 kN
	Max Thrust Capacity	100 kN
	Drilling Angle	45°-90°
Main Winch	Motor	Variable motor
	Hook Load	178 kN
	Hoisting Speed	66 m/min
	Cable Dia	22 mm
	Cable Length	35 m
Foot Clamp	Max Dia	150 mm
	Max Clamp Rod	PQ(114.3mm)
	Clamp Capacity	200 kN
Wireline Hoist	Motor	singlemotor
	Bare Drum Level Pull	18 kN
	Bare Drum Line Speed	150 m/min
	Cable Dia	6 mm
	Drum Capacity	2600 m
Mud Pump	Type	BW320/10
	Max Pressure	100 bar
	Max Flow	320 L
Mixer	Max Speed	2000 rpm
Mixer	Max Torque	60 Nm