blast hole drill ppt distributors

Just fill in the form below, click submit, you will get the price list, and we will contact you within one working day. Please also feel free to contact us via email or phone. (* is required).

  • PPT – Rotary Blast Hole Drills PowerPoint presentation ...

    2021-2-24u2002·u2002Rotary Blast Hole Drills. Description: REL blast hole drilling rigs are designed for drilling both soft and hard rock. With different diameters to choose from REL blast hole drilling rigs are made of high quality components to aid in maximum performance – PowerPoint PPT presentation. Number of Views: 16. Date added: 24 February 2021.

    Get Price
  • Blaster's Training Modules - Module 4 - Blasthole Drilling

    2008-5-22u2002·u2002DTH hammers, with the piston in the hole, tend to drill straighter holes at greater depth as compared to OTH drifters. The air-driven piston hammer causes the bit to rapidly impact the rock while the bit is slowly turned. DTH hammers are efficient in hard-rock types. With the hammer in the hole, drill-pipe vibrations are eliminated.

    Get Price
  • Blast Hole Sampling - Metzke Pty Ltd

    2021-9-30u2002·u2002The Blast Hole Sampling System is a light duty sampling system designed to be used on boom type open hole percussion drill rigs. Fitted in-line by the dust collection hose between the drill hole collar and the dust collection unit. This sampling system would replace the dust collection 'pre collector' if one is fitted to the rig.

    Get Price
  • BlastHole Drilling Introduction - Hardrockdrills.com

    2019-6-4u2002·u2002Rotary drilling is a versatile method for blasthole drilling. It is the dominant method for holes larger than 203 mm (8') diameter. In smaller holes, it is most common in softer rock formations. 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 ...

    Get Price
  • Drilling and blasting powerpoint 2003 - SlideShare

    2012-4-21u2002·u2002ABRASION DRILLS DEFINITION- Grind rock into small particles through abrasive effect of bit that rotates in hole. TYPES- 1.Blast-hole drills 2.Shot drills 3.Diamond drills Blast hole drills- Rotary drill consisting of steel pipe drill stem on bottom of which is roller bit that disintegrates the rock as it rotates over it. 9.

    Get Price
  • Drilling and blasting - SlideShare

    2019-4-30u2002·u20024. DRILLING AND ITS NECESSITY Drilling is the process of making hole in solid materials like rocks, timber, metal, etc. For blasting rocks, drilling is necessary to make hole in the rock to place explosive in the drill hole. Different tools and methods are used for drilling depending on the type of material, the size of the hole, the number of ...

    Get Price
  • Chapter 8 BLAST DESIGN - NPS

    2014-6-11u2002·u2002Though drilling cost in a six-inch hole in similar material will be at least twice that for the smaller hole, less expensive explosives usually can be utilized in the larger hole with no sacrifice in explosive performance. When contemplating a change in drill hole size, compare the area of influence associated with the respective

    Get Price
  • Secoroc Rock Drilling Tools Product catalogue – Rotary ...

    2017-11-14u2002·u2002manufacture of premium drill pipes for blast hole drilling applications, where drill pipes with mild steel bodies have not provided best value and cost effectiveness to the drilling operation. Standard drill pipe sizes Outside diameter Wall thickness Body Wt. per Ft. Pin/box Wt./set Recommended connection 24 lbs 150 lbs 34 lbs 150 lbs 27 lbs ...

    Get Price
  • BLASTEC - Orica Mining Services

    2008-10-13u2002·u2002diameter. Minimum accepted Bench Height (meter) is equal to Hole Di-ameter (mm) /100. For example, mi-nimum bench height when using 76 mm drill holes is 0.76 m. 1.8 Hole Inclination when using 'Row Types' When using 'Row Types', equal hole inclination has to be used for all types of rows. The reason for this is

    Get Price
  • Drilling Defects: Causes and Solutions

    2013-2-4u2002·u2002copper inner layer at the hole wall, this distortion takes the form of a 'Nailhead'. There are several types of nailheads, the most common type seen on small hole diameters is a thermomechanical nailhead. The thermo-mechanical nailhead is produced by excessive heat and the drill bit pushing and pulling the copper in each direction the drill bit

    Get Price
  • Blaster's Training Modules - Module 4 - Blasthole Drilling

    2008-5-22u2002·u2002DTH hammers, with the piston in the hole, tend to drill straighter holes at greater depth as compared to OTH drifters. The air-driven piston hammer causes the bit to rapidly impact the rock while the bit is slowly turned. DTH hammers are efficient in hard-rock types. With the hammer in the hole, drill-pipe vibrations are eliminated.

    Get Price
  • Appendix E6 - OP Drilling, Blasting, and Orica

    2013-1-31u2002·u2002study done by Orica (refer to Appendix A – KSM-SABREX Study) show that a drill hole diameter of 311mm (12 ¼') should be used for the main production drilling. Smaller diesel drills (165mm – 6 ½' hole diameter) will be used to drill the highwall and buffer rows. 2.1 Production Drilling Production drilling will be done with electric drills.

    Get Price
  • Rig Control System RCS 5

    2021-9-28u2002·u2002Rotary blast hole drill rigs . Rig Control System RCS 5 . Rig Control System RCS 5. RCS 5 provides the next step for the mining industry from the automation program that brought autonomous drilling into a sustainable reality. Rich data for insight-driven operations

    Get Price
  • (PPT) MINIMIZATION OF BOULDERS DURING BLASTING AT

    CONTROLLABLE FACTORS These are the factors which can be alternated and the following are these factors; Bench height Blast hole diameter Sub-drill Stemming(ho=1*B) Spacing(S=1.25*B) Burden(B=rock constant*diameter of the hole) DRILLING PATTERNS There are three types of drilling patterns namely; *Staggered drilling pattern *Rectangular drilling ...

    Get Price
  • 06 Drilling.ppt - Drill Machines and Drill Bits Workshop ...

    Unformatted text preview: Drill Machines and Drill Bits Workshop Technology – I Wg Cdr Muizuddin Shami Objective To study various types of drill machines To study parts of a twist drill bit 2 Drilling Operations Drilling – producing holes using twist drills Countersinking – tapered or cone shaped enlargement to the end of hole Reaming – sizing and producing smooth round hole form a ...

    Get Price
  • Chapter 8 BLAST DESIGN - NPS

    2014-6-11u2002·u2002Though drilling cost in a six-inch hole in similar material will be at least twice that for the smaller hole, less expensive explosives usually can be utilized in the larger hole with no sacrifice in explosive performance. When contemplating a change in drill hole size, compare the area of influence associated with the respective

    Get Price
  • Blaster Certificate Training and Experience

    On-The-Job Training (experience) Success of the applicant is strongly dependent on the level and quality of on-the-job training provided by another certified blaster, i.e. the mentor. Without this valuable guidance the applicant will not adequately learn the technical nuances and safety protocols of …

    Get Price
  • Blasting damage in rock - Rocscience Inc.

    2018-9-21u2002·u2002The correct design of a blast starts with the very first hole to be detonated. In the case of a tunnel blast, the first requirement is to create a void into which rock broken by the blast can expand. This is generally achieved by a wedge or burn cut which is designed

    Get Price
  • Designing Blast Patterns Using Empirical Formulas

    2014-4-2u2002·u2002with an uncomplicated, first-approximation method for designing blast patterns, considering geologic structure, and to show the valid use of the technique by comparing drill and blast pattern dimensions used in the quarry with those determined by the presented method. The author visited 12 limexad

    Get Price
  • Optimization of Blasting Parameters in opencast Mines

    2012-7-5u2002·u2002reduction and optimum blast design parameter will give an economical result. The parameters are i. Drill hole diameter, ii. Powder factor (desired), iii. Cost of explosive, iv. Numbers of holes required to blast. Methodology The study of the various parameters of blasting suggests that the powder factor should be constant as per the requirement.

    Get Price
  • Blaster's Training Modules - Module 4 - Blasthole Drilling

    2008-5-22u2002·u2002DTH hammers, with the piston in the hole, tend to drill straighter holes at greater depth as compared to OTH drifters. The air-driven piston hammer causes the bit to rapidly impact the rock while the bit is slowly turned. DTH hammers are efficient in hard-rock types. With the hammer in the hole, drill-pipe vibrations are eliminated.

    Get Price
  • Appendix E6 - OP Drilling, Blasting, and Orica

    2013-1-31u2002·u2002study done by Orica (refer to Appendix A – KSM-SABREX Study) show that a drill hole diameter of 311mm (12 ¼') should be used for the main production drilling. Smaller diesel drills (165mm – 6 ½' hole diameter) will be used to drill the highwall and buffer rows. 2.1 Production Drilling Production drilling will be done with electric drills.

    Get Price
  • Rig Control System RCS 5

    2021-9-28u2002·u2002Rotary blast hole drill rigs . Rig Control System RCS 5 . Rig Control System RCS 5. RCS 5 provides the next step for the mining industry from the automation program that brought autonomous drilling into a sustainable reality. Rich data for insight-driven operations

    Get Price
  • (PPT) MINIMIZATION OF BOULDERS DURING BLASTING AT

    CONTROLLABLE FACTORS These are the factors which can be alternated and the following are these factors; Bench height Blast hole diameter Sub-drill Stemming(ho=1*B) Spacing(S=1.25*B) Burden(B=rock constant*diameter of the hole) DRILLING PATTERNS There are three types of drilling patterns namely; *Staggered drilling pattern *Rectangular drilling ...

    Get Price
  • 06 Drilling.ppt - Drill Machines and Drill Bits Workshop ...

    Unformatted text preview: Drill Machines and Drill Bits Workshop Technology – I Wg Cdr Muizuddin Shami Objective To study various types of drill machines To study parts of a twist drill bit 2 Drilling Operations Drilling – producing holes using twist drills Countersinking – tapered or cone shaped enlargement to the end of hole Reaming – sizing and producing smooth round hole form a ...

    Get Price
  • Chapter 8 BLAST DESIGN - NPS

    2014-6-11u2002·u2002Though drilling cost in a six-inch hole in similar material will be at least twice that for the smaller hole, less expensive explosives usually can be utilized in the larger hole with no sacrifice in explosive performance. When contemplating a change in drill hole size, compare the area of influence associated with the respective

    Get Price
  • Blaster Certificate Training and Experience

    On-The-Job Training (experience) Success of the applicant is strongly dependent on the level and quality of on-the-job training provided by another certified blaster, i.e. the mentor. Without this valuable guidance the applicant will not adequately learn the technical nuances and safety protocols of …

    Get Price
  • Blasting damage in rock - Rocscience Inc.

    2018-9-21u2002·u2002The correct design of a blast starts with the very first hole to be detonated. In the case of a tunnel blast, the first requirement is to create a void into which rock broken by the blast can expand. This is generally achieved by a wedge or burn cut which is designed

    Get Price
  • Designing Blast Patterns Using Empirical Formulas

    2014-4-2u2002·u2002with an uncomplicated, first-approximation method for designing blast patterns, considering geologic structure, and to show the valid use of the technique by comparing drill and blast pattern dimensions used in the quarry with those determined by the presented method. The author visited 12 limexad

    Get Price
  • Optimization of Blasting Parameters in opencast Mines

    2012-7-5u2002·u2002reduction and optimum blast design parameter will give an economical result. The parameters are i. Drill hole diameter, ii. Powder factor (desired), iii. Cost of explosive, iv. Numbers of holes required to blast. Methodology The study of the various parameters of blasting suggests that the powder factor should be constant as per the requirement.

    Get Price
  • Drill Rigs For Sale – Rig Sales Australia

    2 days agou2002·u2002Drilling rigs and equipment for sale in Australia. Explosives trucks, storage magazines, anfo mixers, blast hole drill rigs, geotechnical, diamond drills.

    Get Price
  • Drill and Blast Method - rail system

    Drill and blast method is mostly used method for the excavation throughout the world. The method can be used in all types of rocks and the initial cost is lower than the mechanical method like TBM. This tunneling method involves the use of explosives. Compared with bored tunneling by Tunnel Boring Machine, blasting generally results in higher ...

    Get Price
  • Underground Products, Services and Reference Guide 2010

    2013-12-6u2002·u2002Drill and Blast Auditing and Improvement Projects. Our DynoConsult team has a suite of audit tools to account for the differing nature of drill and blast operations across our industry. An integral part of this work is the auditing of drill and blast practices, to provide a baseline from which to measure improvement and

    Get Price
  • Drilling Rig Safety PowerPoint PPT ... - PowerShow.com

    The report 'Robotic Drilling Market Application (Onshore and Offshore), Installation (New Builds and Retrofits), Components (Hardware and Software), and Region (North America, Asia Pacific, Europe, Middle East) - Global Forecast to 2023', The robotic drilling market is expected to grow from an estimated USD 658.0 Million in 2018 to USD 923.3 Million by 2023, at a CAGR of 7.01% from …

    Get Price
  • Surface Bulk Explosives - AECI Mining Explosives

    2020-8-5u2002·u2002the blast-hole with the use of AEL's series of mobile processing units (MPU's). Product Catalogue 201 13 EPLOSIVES Emulsion Offerings SURFACE BULK PRODUCTS SURFACE BULK EMULSIONS Virgin oil or eco (used oil) variations SERIES S100/S100ECO S100 ECO PLUS S200/S200ECO S300/S300ECO

    Get Price
  • PROCEDURES FOR BLASTING

    2015-9-17u2002·u2002Blast Pattern – The plan view of the drill holes as laid out for blasting. Blast Plan – A written procedure that details the methods and manner by which a Project blaster will comply with pertinent laws, rules, regulations, and contract documents. The plan shall include all information, as detailed in Section 2A, necessary to evaluate the ...

    Get Price
  • Stemming Plugs for Explosive Blasting drill blast holes

    Stemming, Stem, Stem-ming To stop or hold back by or as if by damming; stanch. To plug or tamp (a blast hole, for example). Stemming prevents the loss of explosives energy from blowouts by plugging the end of the drill hole which produces better results from your blasts. Geophysical, oil, exploration plugs.

    Get Price
  • The Horizontal Directional Drilling Process

    2015-8-6u2002·u2002enlarged hole. Pilot Hole Directional Drilling Pilot hole directional control is achieved by using a non-rotating drill string with an asymmetrical leading edge. The asymmetry of the leading edge creates a steering bias while the non-rotating aspect of the drill string allows the steering bias to be held in a specific position while drilling. If a

    Get Price
  • Roy Hill successfully implements blasthole drill autonomy ...

    2019-3-18u2002·u2002Roy Hill's successful implementation of autonomous drills at its mine is the most recent example of the company's commitment to using innovative technology to improve safety and maximise efficiency. Located 340 km south-east of Port Hedland in Western Australia, Roy Hill's low phosphorus Marra Mamba iron ore deposit is one of Australia ...

    Get Price
  • Drilling patterns - QueensMineDesignWiki

    2019-6-28u2002·u2002Drilling Patterns. Various drilling patterns have been developed for approaching the blasting of drifts which are described in the following sub-sections. These patterns refer to the pattern of the initial cuts which are then blasted into from surrounding holes. This is known as stoping, and the additional holes are known as wall, roof or floor ...

    Get Price
  • Blaster's Training Modules - Module 4 - Blasthole Drilling

    2008-5-22u2002·u2002DTH hammers, with the piston in the hole, tend to drill straighter holes at greater depth as compared to OTH drifters. The air-driven piston hammer causes the bit to rapidly impact the rock while the bit is slowly turned. DTH hammers are efficient in hard-rock types. With the hammer in the hole, drill-pipe vibrations are eliminated.

    Get Price
  • Appendix E6 - OP Drilling, Blasting, and Orica

    2013-1-31u2002·u2002study done by Orica (refer to Appendix A – KSM-SABREX Study) show that a drill hole diameter of 311mm (12 ¼') should be used for the main production drilling. Smaller diesel drills (165mm – 6 ½' hole diameter) will be used to drill the highwall and buffer rows. 2.1 Production Drilling Production drilling will be done with electric drills.

    Get Price
  • Rig Control System RCS 5

    2021-9-28u2002·u2002Rotary blast hole drill rigs . Rig Control System RCS 5 . Rig Control System RCS 5. RCS 5 provides the next step for the mining industry from the automation program that brought autonomous drilling into a sustainable reality. Rich data for insight-driven operations

    Get Price
  • (PPT) MINIMIZATION OF BOULDERS DURING BLASTING AT

    CONTROLLABLE FACTORS These are the factors which can be alternated and the following are these factors; Bench height Blast hole diameter Sub-drill Stemming(ho=1*B) Spacing(S=1.25*B) Burden(B=rock constant*diameter of the hole) DRILLING PATTERNS There are three types of drilling patterns namely; *Staggered drilling pattern *Rectangular drilling ...

    Get Price
  • 06 Drilling.ppt - Drill Machines and Drill Bits Workshop ...

    Unformatted text preview: Drill Machines and Drill Bits Workshop Technology – I Wg Cdr Muizuddin Shami Objective To study various types of drill machines To study parts of a twist drill bit 2 Drilling Operations Drilling – producing holes using twist drills Countersinking – tapered or cone shaped enlargement to the end of hole Reaming – sizing and producing smooth round hole form a ...

    Get Price
  • Chapter 8 BLAST DESIGN - NPS

    2014-6-11u2002·u2002Though drilling cost in a six-inch hole in similar material will be at least twice that for the smaller hole, less expensive explosives usually can be utilized in the larger hole with no sacrifice in explosive performance. When contemplating a change in drill hole size, compare the area of influence associated with the respective

    Get Price
  • Blaster Certificate Training and Experience

    On-The-Job Training (experience) Success of the applicant is strongly dependent on the level and quality of on-the-job training provided by another certified blaster, i.e. the mentor. Without this valuable guidance the applicant will not adequately learn the technical nuances and safety protocols of …

    Get Price
  • Blasting damage in rock - Rocscience Inc.

    2018-9-21u2002·u2002The correct design of a blast starts with the very first hole to be detonated. In the case of a tunnel blast, the first requirement is to create a void into which rock broken by the blast can expand. This is generally achieved by a wedge or burn cut which is designed

    Get Price
  • Designing Blast Patterns Using Empirical Formulas

    2014-4-2u2002·u2002with an uncomplicated, first-approximation method for designing blast patterns, considering geologic structure, and to show the valid use of the technique by comparing drill and blast pattern dimensions used in the quarry with those determined by the presented method. The author visited 12 limexad

    Get Price
  • Optimization of Blasting Parameters in opencast Mines

    2012-7-5u2002·u2002reduction and optimum blast design parameter will give an economical result. The parameters are i. Drill hole diameter, ii. Powder factor (desired), iii. Cost of explosive, iv. Numbers of holes required to blast. Methodology The study of the various parameters of blasting suggests that the powder factor should be constant as per the requirement.

    Get Price
  • Drilling Systems

    Jentech Drilling Supply Inc (a division of Di-Corp) is a service oriented supply company serving the Groundwater, Mining, and Mineral Exploration industries.We specialize in helping our customers implement drill systems from the 'Top Head to Bit'. Full line of drilling …

    Get Price
  • Commercial Blasting - Page 1 - Ideal Supply Inc (dba Ideal ...

    View. Quick view Compare Add to Cart. # 9 Hole Plug Hole Size 6' to 8-1/2' (20 per box) $119.90. View. Quick view Compare Add to Cart.

    Get Price
  • Products

    2021-9-29u2002·u2002Epiroc is a one of the leading drill rig manufacturers in the world. We offer rock drilling machines and other equipment for many different applications. For example; oil and gas, construction drilling, quarrying, surface mining, underground mining, exploration drilling and dimension stone industry applications.

    Get Price
  • Rock Drilling Parts

    At Rock Drill Sales, we have experienced staff members available that can answer your questions about replacement and repair parts for all types of Epiroc Atlas Copco equipment! Our 'parts hotline' is available to anyone Monday - Friday from 8:30 am to 5:00 pm EST. Please have your equipment's model number or a specific part number ready ...

    Get Price
  • Contact us

    2021-9-22u2002·u2002Down-the-hole drilling tools (DTH tools) Rotary drilling tools Raiseboring tools Horizontal drilling tools ... With 10 UK and Ireland Hydraulic Attachment distributors. Mining and Rock Excavation. Parts and Service For any parts and service enquiries, based in the UK and Ireland, please contact our sales representative: ...

    Get Price
  • Drilling Rigs – Smith Capital Equipment

    Smith Capital Equipment has been manufacturing Auger and DTH drill rigs for over 4 decades and our products include auger and down-the-hole rigs. Typically these are mounted onto either trucks, tractors or crawler tracks, but we have successfully supplied customised rigs for many applications. We are also recognised as a reputable supplier of ...

    Get Price
  • Drilling Machines - EOLSS

    2020-8-25u2002·u2002The type of rock drill used in mining drilling is generally determined by the hole diameter required and the mechanical properties, principally hardness, of the rock. A top hammer is commonly employed for drilling of holes less than 125 mm in diameter in all but the hardest rock, although a rotary cutting method may instead be used for soft rock.

    Get Price
  • Chapter 9 GENERAL ROCK REMOVAL - National Park Service

    2014-6-11u2002·u2002These are heavier units capable of drilling holes between two and one-half to five inches, at any angle in all types of rock. They require 50 percent more air than wagon drills—450 CFM. Hole depths of 40 feet are routine and have reached 100 feet in some cases. Crawler drills produce blastholes two to three times more per shift than wagon drills.

    Get Price
  • BLAST VIBRATION STUDIES IN SURFACE MINES

    2010-5-14u2002·u2002This design would consider the proper hole diameter and pattern that would reflect the efficient utilization and distribution the explosives energy loaded into the blast hole. It would also provide for the appropriate amount of time between adjacent holes in a blast to provide the explosive the optimum level of energy confinement. After the

    Get Price
  • The Horizontal Directional Drilling Process

    2015-8-6u2002·u2002enlarged hole. Pilot Hole Directional Drilling Pilot hole directional control is achieved by using a non-rotating drill string with an asymmetrical leading edge. The asymmetry of the leading edge creates a steering bias while the non-rotating aspect of the drill string allows the steering bias to be held in a specific position while drilling. If a

    Get Price