JK690 Integrated DTH Drilling Rig

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PRODUCT DESCRIPTION

Features

· The engine has been upgraded with larger power and high-strength materials to resist inertia force caused by high-speed rotation and ensure stability of motors.

· The rig has adopted a more efficient electric structure and operational mode to reduce power loss and increase energy efficiency.

· The pressure and the maximum output of air compressor have been optimized to improve work efficiency.

Technical Specifications

Model		JK690
Engine	Model	WP7G300E300
	Type	Water-cooled 6-cylinder EFI diesel engine
	Rated power	kW/rpm	220/2300
	Fuel tank capacity	L	400
Air compressor	Brand	Atlas Copco
	Working pressure	bar	20
	Max. free air delivery (FAD)	m³/min	18.5
Drill rod changer	Drilling diameter	mm	Ø90-Ø160
	Rod length	m	3
	Rod diameter	mm	Ø76/Ø89
	Rod capacity		6+1
	Drilling depth	m	21
Rotary motor	Rotation rate	rpm	0-140
	Max. rotation torque	Nm	3300
	Feeding method	Motor-driven planetary gearbox + chain
	Feeding force	KN	12
	Lifting force	KN	21
	Feeding stroke	mm	3990
	Feed extension	mm	1100
Undercarriage	Track width	mm	300
	Ground clearance	mm	370
	Track oscillation	°	±10°
	Walking speed	km/h	2.5 (low speed) 3.5 (high speed)
	Grade ability	°	27°
General	Weight	kg	14000
	Length	mm	8750
	Width	mm	2900 (with dust collector)
	Height	mm	3350
Dust collector	Hydraulic dry dust collector (optional: wet dust collector)