Master Drilling | Services

Master Drilling offers a comprehensive portfolio of niched drilling services, adapting to, and meeting each and every client requirement: We offer cutting-edge solutions across the mining, energy and civil engineering sectors; focusing on speed, efficiency, innovation, scale, accuracy and flexibility.

Drilling and blasting iron ore mine - YouTube

Dec 09, 2016· The process of developing an iron ore mine from exploration data through to 14 May 2014 drilling and blasting for iron ore More details: drilling and blasting iron ore mine MODERN DRILLING AND ...

Blaster's Training Modules - Module 4 - Blasthole Drilling

the drill cutting from the hole, thereby advancing the hole depth at an efficient rate. The piston can either be mounted out of the hole (OTH) or down the hole (DTH) for quiet and efficient drilling. air chamber piston steel bit air chamber Rotary Drilling In rotary drilling, the rock is made to fail by means of a combination of "pull-down"

Used Blast Hole Drill Rig, Used Blast Hole Drill Rig ...

Alibaba.com offers 457 used blast hole drill rig products. About 82% of these are mine drilling rig, 7% are drill bit, and 3% are mining machinery parts. A wide variety of used blast hole drill rig options are available to you, such as ore, water well, and coal.

MINING SOLUTIONS - ozlanddbs.com.au

76mm – 311mm Drill hole capacity using Top hole hammer, Down hole hammer and Rotary drilling techniques. Inpit grade control capability with crawler mounted drills to depths of 50 metres. Tele remote drilling to allow safe access over void ground and under dangerous highwalls; High pressure and low-pressure rigs for specialised blast hole ...

D45KS

Our D45KS diesel-powered, crawler-mounted down-the-hole (DTH) blasthole drill is ideal for coal, gold and iron ore mining. This model excels when availability and reliability are critical, offering you easy maintenance and repair. It drills...

Down-the-hole drill - Wikipedia

A down-the-hole drill, usually called DTH by most professionals, is basically a mini jackhammer screwed on the bottom of a drill string. The fast hammer action breaks hard rock into small flakes and dust and is blown clear by the air exhaust from the DTH hammer. The DTH hammer is one of the fastest ways to drill …

Down the hole drilling - SlideShare

Feb 19, 2014· Down the hole drilling 1. Anil Kilania [email protected] 2. DTH A Down-The-Hole Drill is called DTH in most drilling terms. The down-the-hole drill is basically a mini jack hammer that screws on the bottom of a drill string. The fast hammer action breaks hard rock into small flakes and dust and is blown clear by the air exhaust from the DTH hammer. The DTH hammer is one …

THE HISTORY OF DOWN-THE-HOLE DRILLING AND THE …

THE HISTORY OF DOWN-THE-HOLE DRILLING AND THE USE OF WATER-POWERED HAMMERS ... Stefan Swartling3 ABSTRACT Down-the-hole drilling has been a feature of dam anchoring and rock mass grouting in the U.S. for many decades. Until quite recently, this rotary percussive drilling method ... hammer rock drill to provide higher productivity in blast hole ...

Epiroc Pv271 Rotary Tricone Down The Hole ...

Epiroc Pv271 Rotary Tricone Down The Hole Drilling [email protected] Surface Mining Blasthole Drill Rig, Find Complete Details about Epiroc Pv271 Rotary Tricone Down The Hole Drilling [email protected] Surface Mining Blasthole Drill Rig,Down The Hole Hammer Drill Rig,Hydraulic Rotary Drilling Rig,Blast Hole Drill Rig from Mine Drilling Rig Supplier or …

launches new rotary blasthole drill ...

Jul 18, 2017· launches new rotary blasthole drill. ... Offering strong performance in down the hole (DTH) and rotary for soft, medium and hard rock applications, the MD6310 drills up to 311mm hole ...

introduces smallest rotary blasthole drill ...

Powered by a C18 engine, the drill can perform rotary and down-the-hole (DTH) drilling of holes between 127–200mm in diameter and drill at up to a negative angle of 15 degrees, which is ...

Blast Hole Drilling - Wallis Drilling

Blasting through. Utilising down the hole hammer DTH or Rotary Air Blast RAB drilling on drill patterns prior to mining being undertaken. Drill holes ranking in size from 4" up to 10", can be drilled utilising L8 and Drilltech D45KS rigs.

Drill Fleet - Drill & Blast Supervisor - DML | Action ...

Action Drill & Blast is an Australian based company for the mining, & coal sectors. To find out more about our drill fleet, get in touch now. ... DML Rotary/Down Hole Hammer Type Rotary/Down Hole Hammer Drill Rod Diameter 7″ Manufacturer Suited to Production Bench Drilling Maximum Hole …

Rotary blasthole drill rigs - Mining & Rock Technology

Rotary blasthole drill rigs. ... This rig can be fitted for both down-the-hole (DTH) drilling and rotary drilling and has a CAN-Bus-controlled hydraulic system for higher availability. ... Our D45KS blasthole drill is ideal for coal, gold and iron ore mining. It drills holes with a diameter of 152 - 229 millimeters (6 - 9 inches) down ...

Down the Hole Drilling Equipment | Rock Drill Sales

Epiroc / Blast Hole Drilling. Epiroc / ™ Down The Hole Equipment. We know that the value of a Down the Hole (DTH) hammer comes from both productivity and endurance. Our engineers have put a great deal of thought in to optimization of the entire drilling system, and we never compromise on this fact. ... Rotary Drill Bits ...

D75KS Rotary Blasthole Drill For Coal & Metal Mining

Our D75KS diesel-powered, crawler-mounted rotary or down-the-hole (DTH) blasthole drill is a rugged and time-tested machine ideal for applications in coal or metal mining. It drills holes with a diameter of 229 to 279 millimeters (9 to 11...

Used Blast Hole Drills For Sale | IronPlanet

Blast Hole Drills for Sale Buy and sell unused and used Blast Hole Drills at IronPlanet. Blast Hole Drills are a type of heavy equipment machinery that is commonly used around the …

DR460

Our DR460 diesel-powered, crawler-mounted rotary or down-the-hole (DTH) blasthole drill is a leader in its class, specifically designed for the highest drilling productivity, reliability and ergonomics. The high-power rotary head with various torque and speed combinations delivers performance in soft- or hard-rock applications.

| MD6250 Rotary Blasthole Drill Specifications ...

The MD6250 crawler-mounted blasthole drill is designed to drill from 152-250 mm (6-9.8 in) diameter holes in Rotary or DTH (Down the Hole) modes to single pass or multi pass depths. Equipment MD6250 Optional Equipment

PRODUCTION DRILLING - capdrill.com

BLAST HOLE DRILLING SERVICES. Blast hole drilling requires considerable skill and technical competence . to ensure accurate holes that achieve an optimal distribution of explosive . energy. An effective blast delivers finer ore fragmentation, higher waste mining productivity and minimal down-stream costs and provides a material financial ...

Services - IDC Drilling

IDC delivers high performance and tailored drilling services. Home About us Services Corporate social responsibility Contact. ... Down-hole survey; Ground support and stabilization (Pit development and underground) ... Rotary Air Blast / Air Core.

D45KS Rotary blasthole drill rig -

Our D45KS blasthole drill is ideal for coal, gold and iron ore mining. It drills holes with a diameter of 152 - 229 millimeters (6 - 9 inches) down to a maximum depth of up to 63 meters (208 feet). This blasthole drill rig offers easy maintenance and repairs for applications where availability and reliability are critical.

7 Rules of Thumb for Open Bit Blast Pattern ...

Apr 08, 2018· Mineral/Ore Mined using the Hardrock Blast hole Drill, which are Heavy duty Rotary and or Down-The-Hole rigs for Blast hole drilling. It can help client to achieve the best economic and social benefit. Below is 7 rules of thumb for open bit blast pattern

Technical Info | Tricon Drilling Solutions

In rotary blasthole drilling, delivery of air in sufficient volume and at proper pressure is very essential to assure optimum bit performance. For the most effective hole cleaning a minimum bailing velocity of 5,000-7,000 feet per minute is considered desirable for dry cuttings; and 7,000-10,000 ft./min. for wet or more dense cuttings.

Drilling rig - Wikipedia

Percussion rotary air blast drilling (RAB) RAB drilling is used most frequently in the mineral exploration industry. (This tool is also known as a Down-the-hole drill.) The drill uses a pneumatic reciprocating piston-driven "hammer" to energetically drive a heavy drill bit into the rock.

Down-the-hole drilling tools | Epiroc

Rotary drilling tools Raiseboring tools Horizontal drilling tools ... Down-the-hole drilling tools. Of course, you'd expect Epiroc to have the most productive down-the-hole hammers in the world. ... In-pit grade control is done within mines to control the grade of ore that is mined so it can be mixed optimally to the refining plant.

Products | Epiroc

Rotary blasthole drill rigs Surface drill rigs Well drilling rigs Loaders & trucks (LHDs) ... Down-the-hole drilling tools (DTH tools) Rotary drilling tools ... transport or process ore or demolition more efficiently, our complete portfolio of surface and underground mining equipment sets the standard in an increasingly competitive industry. ...