Portable Crawler Hydraulic DTH Surface Blast Hole Drill Rigs

• After-sales Service: Support
• Warranty: 1 Year
• Certification: CE
• Shipping Cost: Estimated freight per unit.: about shipping cost and estimated delivery time.
• Currency: US$
• Return&refunds: You can apply for a refund up to 30 days after receipt of the products.
• Model NO.: HW920
• Condition: New
• Motor: AC Motor
• Drill Hole Diameter: >300mm
• Drill Hole Depth: 250-300m
• Bit Type: Diamond Bit
• Drilling Way: Compound
• Name: Double Drum Road Roller
• Power: 4.0kw/9HP
• Steel Wheel Size: Front Wheel:700mm-530 Back Wheel: 450mm-450
• Grade Ability: 30%
• Drive Type: Hydraulic Drive
• 0utline Size(L*W*H): 1850*860*1030mm
• Transport Package: Wooden Case
• Specification: SGS
• Trademark: HW
• Origin: China Shandong
• HS Code: 8430610000
• Production Capacity: 50set/Sets Per Month
• Package Size: 570.00cm * 213.00cm * 220.00cm
• Package Gross Weight: 4000.000kg

Product Description

Product Description

Rock Blasting Machine 
This model is equipped with a dual-motor rotary head and a multi-way valve with adjustable rotary speed. The rotary torque can reach 2200N.m, which meets the needs of 76 drill pipes and 130 bores. The rotation speed can reach up to 150 revolutions, which meets the needs of some customers for high-speed drilling in soft rock formations. At the same time, the 420 series models are equipped with engineering tracks and plunger motors as standard, which increase the leveling function, improve the climbing and cross-country performance of the equipment, and can adapt to complex terrain conditions. Vertical holes can be drilled for slopes to meet the needs of different working conditions.

* Drilling Diameter :90-138mm
* Drilling depth: 20m
* Engine Power: 58 KW 
* Competive Price
* Site Instrcution and Installation
* Professtional After-Sales Team

 

Technical Parameter

Diesel Engine Specifications
Rig Model	Engine Model	Rated Power
HW-420B	Yuchai YC4DK80	58 KW
HW-420B-1	Yuchai YC4DK80	58 KW (Dust collection system as standard equipment)
General Specifications
Hole Depth		30m
Drill Pipe Sizes		76 X 3,000 mm
Drill Pipe Dia		90-130 mm
Rotation Torque (Max.)		2200 N.m
Rotation Speed		0 -150 rpm
Working Pressure		0.7 - 2.5 Mpa
F.A.D		8 - 20 m3/min
Feed Force		15KN
Pull Up Force		25KN
Feed Type		Hydraulic cylinder-chain
Tramming Speed (Max.)		2.5 km/h
Gradient		30°
Track Frame Oscilation		±10°
Total Weight		4000 kg/4400Kg
Transportation Dimensions		5700 X 2130 X 2200 mm

 Detail Photos 

Features:

 

• 1. HW-420B model uses double cycloid motor slewing head, with large torque and fast speed, which can meet the requirements of 76mm drill pipe and 130 hole diameter.

• 2. The HW-420B series is equipped with engineering crawlers and plunger motors as standard, which makes the product quality more reliable, stronger driving force, and can better adapt to the complex geological and road environment of open-pit mines.

• 3. The centralized control console is easy to operate, improve work efficiency, and increase the safety and comfort of operation.

• 4. The HW-420B series drilling rig has added leveling function, which improves the climbing and cross-country performance of the equipment, can adapt to complex terrain conditions, and can drill vertical holes for slopes to meet the needs of different working conditions.

Successful Project

 

The following pictures are from customer feedback(Viet Nam,Thailand,Chile,Mexico,South Africa,Philipines,Malaysia,Columbia,ect),
we also have a large number of customer feedback videos, if you are interested, please contact us.

Packaging&Shipping

Drill rigs are coated with anti-rust liquid naked, drill pipes are bundled and packed, impactors,
drill bits and other accessories are packed in plywood boxes.

1 Set Shipped with 20GP;
Whole set with air compressor needs a 40GP;
Company Profile

FAQ
Q:Are you manufacturer? 

A: Yes, we are factory with more than 20 years of manufacturing experience.

Q:What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and
packagesbefore you pay the balance.

Q:What is the warranty of our machine?
A:Our main machine enjoys a 1 year warranty, during this time all accessories broken can be
changed for anew one.And we provide videos for machine install and operation.

Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or it is 15-20 days if the goods are not in stock,
it is according to quantity.

Q:How do you make our business long-term and good relationship?
A:We keep good quality and competitive price to ensure our customers benefits;

Q:Do you have any certificates for your machine?
A: All of our products coming with the certificates of CE, IS09001.