Multi-Functional DTH Drilling Machine for The Mines and Quarries

• Certification: CE, RoHS, ISO 9001:2000, ISO 9001:2008
• Condition: New
• Motor: DC Motor
• Drill Hole Diameter: 89-140mm
• Drill Hole Depth: 30-40m
• Bit Type: DTH Hammer Bit
• Model NO.: HFHA7
• Drilling Way: Impactor
• Power: 73.5kw
• Drill Rod: 76*3000mm,89*3000mm
• Rotary Torque: 3200n.M
• Work Pressure: 1-2.4MPa
• Air Consumption: 14-35m3/Min
• Grade Ability: 30degree
• Feed Stroke: 4000mm
• Max.Lifting Force: 20kn
• Ground Clearance: 360mm
• Transport Package: Machine in Nude Package,Spare Parts in Wooden Case
• Specification: 7372*2260*2800mm
• Trademark: HF
• Origin: Zhengzhou City, China
• HS Code: 8430490000
• Production Capacity: 100sets/Year

Product Description

Product Description

Made by ATLAS COPCO Joint venture subsidiary, HFHA7 hydraulic down-hole drilling rig is a multi-functional drill rig driven by internal combustion engine, the drilling power was provided by hydraulic system except for impacting and the hole cleaning wind. HFHA7 hydraulic crawler drilling rig is widely used for blast-hole drilling in the mines and quarries. It is also used for anchor in road, railway, power station, civil engineering and building etc.

Product Parameters

Model No	HFHA7	Engine
Rock Hardness	F=6-20	Brand	Yu Chai
Hole Diameter	89-140mm	Model No	4D100-T310
Hole Depth	30-40m	Power	73.5kw
Drill Rod	76*3000mm,89*3000mm	Speed	2200rpm/min
Rotary Head		Boom motion range
Rotation Speed	0-70rpm	Guide Max.pitch angle	145degree
Rotary Torque	3200N.m	Guide Max.Swing angle	lift 20 degree,right 91degree
Work Pressure	1-2.4Mpa	Boom Max.Pitching angle	up 50 degree,down 20degree
Air Consumption	14-35m3/min	Boom Max.Swing angle	left 45degree,right 45degree
Working System		Feed System
Max.speed	3.5km/h	Drilling Guide Length	6702mm
Low.Speed	2.2km/h	Feed Method	Cylinder&Chain
Grade ability	30degree	Feed Stroke	4000mm
Crawler Flotating Angle	±10degree	Guide Compensation	1200mm
Ground Clearance	360mm	Max.Feed force	12Kn
Dust Collector		Max.lifting force	20kn
Filter Area	16m2	Dimension&weight
Filter Quantity	16pcs	Dimension(L*W*H)	7372*2260*2800mm
Pressure	7Bar	Weight	7600kg

Working Site

Company Profile

FAQ

1. Are you a trading company or a manufacturer?
We are a professional manufacturer. Our factory mainly produces water well drilling rigs, core drilling rigs, down-the-hole drilling rigs, pile drivers, etc. The products have been exported to hundreds of countries around the world and enjoy a high reputation all over the world.

2. How is the quality of your machine?
Our products pass strict quality inspections before they leave the factory to ensure that they are qualified before they are shipped.

3. How to inspect the goods?
1) Support customers to come to the factory for on-site inspection.
2) Support customers to designate third-party companies to inspect goods.
3) Support video inspection.

4. Do you have after-sales service?
Yes, we have a dedicated service team that will provide you with professional technical guidance. If you need, we can send our engineers to your workplace and provide training for your employees.

5. How about quality assurance?
We provide a one-year quality guarantee for the main machine of the machine.

6. How long is your delivery cycle?
1) In the case of stock, we can deliver the machine within 7 days.
2) Under standard production, we can deliver the machine within 15-20 days.
3) In the case of customization, we can deliver the machine within 20-25 days.