Explore the most comprehensive line of surface rotary and DTH blast hole drilling rigs in the industry, with a multitude of configurations to choose from and scalable automation features. ... The most productive drill available for rotary tricone and down the hole drilling of 171mm to 270mm (6-3/4" to 10-5/8 ") holes with up to 19.2 m (63 ...

The rotary drilling content hub provides you with the information you need to improve the productivity of your blasthole drilling operation and guide you towards improved TCO. ... Meet our newest iSeries blast hole drill, the DR413i ... the DR413i is purpose-built for iron ore and copper applications and delivers 100,000 lbs of ...

Down The Hole Service; Load, Stem & Initiate / Blast; Our Projects; People & Careers. JOIN US; Vision & Values; ... across the drill and blast spectrum. Mine Planning. Drill & Blast, Design & Optimisation. Resources. Engineering. Software. ... Rotary drilling up to depths of 84m; Production and pre-split holes; Through-seam drilling;

BLAST HOLE DRILLING SERVICES. Blast hole drilling requires considerable skill and technical competence . to ensure accurate holes that achieve an optimal distribution of …

ROTARY BLAST HOLE DRILL DR413i is a diesel-powered, self-propelled, crawler-mounted blasthole drill for surface mining. ... Max. hole depth 24.6 m 80.7 ft. Pull down force 444 kN 100,000 lbf. Weight on bit 52,100 kg 115,000 lbs. POWER GROUP Metric Imperial Engine options

Blasting performance is influenced by mechanical and structural properties of the rock, on one side, and blast design parameters on the other. This paper describes a new methodology to assess rock mass quality from drill-monitoring data to guide blasting in open pit operations. Principal component analysis has been used to combine …

The air rotary and down-the-hole hammer drilling systems are similar in design and function with the main difference being the ladder system, having the additional cutting action of the air-driven hammer. First, we will profile the air rotary system followed next by the down-the-hole hammer. The air rotary drilling system is primarily designed ...

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 …

Factory Price Integrated Down The Hole Drill Rig Oil Field Drilling Drill Rig, Find Complete Details about Factory Price Integrated Down The Hole Drill Rig Oil Field Drilling Drill Rig,Kt25 Integrated Down The Hole Drill Rig,Kt25 Ore Rotary Drilling Rig,Blast Hole Rock Mine Drill Rigs from Supplier or Manufacturer-Xinxiang Toenter Technology …

Our Rotary Blast Hole & Down The Hole Drilling Rig give a solution for types of Mining and Quarrying Rocks Surfaces like Coal, Iron Ore, Copper, Zinc etc.

LMP PRECISION Manufactures BLAST HOLE DRILLS for applications ranging from Open Cast Mining applications, exploration and Shot Hole Drilling. Mining Applications include coal, cement, stone quarry, Iron ore, Lime stone and other mines. A wide range of options are available for Blast Hole Drills.

Rotary blasthole drill rigs are renowned for their precision and depth, boosting productivity by making the process of blast hole drilling easier and more cost-effective. In addition to the range of surface mining drill rigs, there is also a wide variety of underground drill rigs available that meet the stricter safety and logistical ...

Rotary blasthole drill rigs. D45KS Hole diameter 165.00 - 222.00 mm (6.49 - 8.74 in.) ... gold and iron ore mining. It prioritizes easy maintenance and repairs for applications where reliability is a necessity. Features High pressure down-the-hole drilling D45KS comes with a high pressure air compressor for down-the-hole (DTH) drilling ...

DR416i blasthole drill rig delivers a single-pass capacity of 21 meters (69 ft), the longest in its class along with a maximum depth of 42.4 meters (139ft) across all …

The drilling principle is to use a high pull down force (weight-on-bit), rotate the drill bit, and blow the rock cuttings to the surface with …

RAB is similar in its function to rotary air, with a spinning drilling bit forcing its way through an ore to then blow the materials back to the surface. RAB drilling goes to lower depths, to approximately 25m and is mostly used for mineral exploration, water bore drilling and blast hole drilling, according to Outback Drilling.

AUTOMATE THE DRILLING CYCLE. Automate the functions of your drilling cycle to improve both precision and speed. All functions are executed with a single button press to help you: Reduce drill cycle time and improve overall production costs; Achieve better blast quality and more productive loading, hauling and processing through improved hole ...

The angle drilling option drives performance with a variety of applications. The rig mast can also be set in 5° increments, from 0 to 30°. High-powered, sustainable rotary drilling. The engine and compressor allow for optimized hole flushing and powerful rotary drilling. Operating at lower speeds and load factors ensures longevity.

The REL C850 D/E Rotary Blast Hole Drill Machines are designed to drill holes ranging from 11" (279mm)" to 13 - 3/4 (349mm)" inches. Structurally sound heavy-duty mainframe is designed for maximum reliability in rugged terrain and mining environment, better layout of the deck, ease of maintenance and enhanced safety.

Rotary blasthole drill rigs. DR412i Hole diameter 203.00 - 311.00 mm (8.00 - 12.25 in.) ... Weight on bit Up to 407 kN (91,500 lbf) Single pass hole depth Up to 17.80 m (58.40 ft) DR412i. Features Specifications Related products and services ... Pull down force Up to 356 kN (80,000 lbf) Engine power ...

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 to63 meters (208 feet). This blasthole drill rig offers easy maintenance and repairs for applications where availability and reliability are critical.

Selecting the right drilling method can profoundly influence the efficiency, speed, and overall success of borehole drilling projects. Down-the-Hole (DTH) and Rotary drilling are the two primary methods used in the industry, each with its own set of advantages and limitations. Let's explore these factors: #1 Equipment Availability

Epiroc is introducing the DM30 XC blast hole drill that is suitable for a variety of multi-pass rotary and down-the-hole (DTH) drilling applications. Built off the same proven, reliable platform as the Epiroc DM30 II, the new DM30 XC offers 33% more power and many benefits to customers.

Hole diameter 270-406 mm 105/8-16" First pass hole depth - Ext. Mast 21 m 69 ft Maximum hole depth - Ext. mast 42.4 m 139 ft Maximum pull down force 534 kN 120,000 lbs POWER GROUP Engine options Metric Imperial Cummins QSK50 (Non tier 4) 1,118 kW 1,500 hp Compressor options Rotary drilling 109 m³/min 5.9 bar 3,850 CFM 85 psi …

Rotary Air Blast (RAB) is the simplest and most economical technique and is typically the first step in a mineral exploration project. Performed by drilling a borehole of about 3 to 3 1/2 inches, using either a drag bit or a down-hole hammer, the soil and rock samples are evacuated by air through the annulus between the drill steel and borehole …

Today, Gridiron boasts a drilling fleet that is unequaled in the industry. With a growing fleet of 11 Auger Drills, 2 Rotary Blast hole Drills, and 1 Down-the-hole Hammer Drill, Gridiron Drilling Services is positioned to provide an extensive range of Rathole, Pre-Drill, Abandonment, and Blast hole Drilling Solutions.

DTH drilling is one of the three methods of rock drilling, along with rotary drilling and top hammer drilling. DTH hammers are particularly useful for drilling in hard rock formations with a hardness over 200Mpa. Thus, using DTH hammers can lead to more efficient and effective drilling in challenging geological conditions.

Blasthole drilling creates holes for explosives in mining and quarrying, enabling rock fragmentation for excavation or resource extraction. ... specialised drilling equipment, such as rotary drills or down-the-hole hammers, is used to penetrate the rock or ground. The drill bit is typically equipped with sharp carbide or diamond tips that aid ...

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"

Rotary Drilling In rotary drilling, the rock is made to fail by means of a combination of "pull-down" pressure on the bit and rotation power. Compressed air is used in sufficient …