Product Description
ZJYX-300LG hydraulic surface core drilling machine is mainly used for the exploration of metal or non-metallic solid deposits, and can also be used for hydrology, oil and gas field exploration, dam grouting, tunnel ventilation and drainage and other engineering drilling.
* The stroke is large, which is beneficial to reduce the number of backward rods, prevent core blockage, and improve productivity.
* Simple structure, light weight, good disassembly, easy to move.
* Concentrated operation, simple and convenient, flexible and reliable operation, greatly reducing labor intensity.
* The drilling rig can be moved and installed conveniently and quickly, no need to assemble a special drilling tower, and the preparation time is greatly shortened.
* There are various loading forms, such as skid type, crawler type and trailer type. Users can choose flexibly according to actual needs.

Technical Specifications

Model	ZJYX-300LG Surface Core Drilling Machine
Borehole Diameter/Depth	BQ: 400m
	NQ: 300m
	HQ: 100m
Drill Angle	0～-90°
Drill Head Rotary Speed / Torque	104~140RPM; 223~298RPM; 345~500RPM; 800~1100RPM/ Max torque: 2200Nm
Drill Head Feeding Stroke	3500mm
Drill Head Max. Lifting Capacity	40kN
Drill Head Max. Thrust Force	58kN
Main Hoist Max. Lifting Capacity	55KN
Lifting Speed	27m/min
Assist Hoist Max. Lifting Capacity	12KN
Lifting Speed	120m/min
Diesel Engine Model	Cummins 6BTA3.9-C100
Diesel Engine Power	74kw
Drill Rig Weight(Crawler Mounted)	about 6800kg