Raiseboring tools the rotary drilling method of boring large diameter holes for the mining and construction industries has proven to be very cost effective. The idea of raise boring application in mine production may not be brand new, but recent results may initiate a revolution in thinking, and possibly create a new mining standard. Indeed, such raise bored shafts provide an ideal solution for ventilation shafts. The conventional raise boring methods, such as the wood support method, the hanging cage method, the creeping cage method, and the deephole blasting method, are analyzed and compared. In addition, the raise boring machines are classified into different types and the characteristics of. Boxhole boring machine bbm boxhole backreaming machine bbr reef boring machine raise boring rig rbr raise boring reaming heads and cutting tools shaft boring roadheader sbr shaft boring cutterhead sbc shaft boring extension machine sbe vertical shaft sinking machine vsm shaft drilling jumbo sdj shaft boring machine sbm. Support services our service division additionally undertakes design, engineering, manufacturing, customisation and maintenance support for our drilling activities. Retractable arms stabilize the raise robot and allow for undulations. Raise boring machines pdfdatei, 1059 kb zuletzt abgerufen am 4. Each connection is treated in a kemplating process that coats.
To drill an 821 meter raise bore hole a hg 330 machine was required, which on full load conditions required 630kva. A tunnel boring machine tbm, also known as a mole, is a machine used to excavate tunnels. At raise3d, we set out to build an industrial 3d printer that is durable enough to withstand the rigors of industrial environments, reliable enough to run 247 and able to repeat the process of manufacturing finished parts with precise replication. Reliable, affordable, industrial 3d printer solution raise3d. These drills can be manufactured for the excavation of upreamed large shafts in diameter up to 6,000mm in a single pass. Raise bore machines are normally operated by a mining contractor with highly trained raise bore operators. Raiseboring has gained worldwide acceptance as the preferred method for constructing ventilation and hoisting shafts, ore passes and hydroelectric penstocks. By 2030 already, 60 percent of the worlds population is expected to live in cities. Master drilling is the worldleader in the raise bore drilling services industry.
Training a proficient raise bore operator is a lengthy process. It is also a widely used technology in infrastructural projects for tunnel ventilation or surge shaft in hydroelectric power projects. A highperformance tophammer rock drill is provided in the rig for offering a sustainable solution for longhole drilling process. A typical example is the deep hole drilling specialist sydab which recently trained a former truck driver up to drilling proficiency standard in just a few weeks. Pdf key technologies of drilling process with raise. Raise boring equipment sandvik mining and rock technology. We continue to lead thanks to outstanding equipment design and excellent quality. The usual dimension of the starting area is a cubicle of about 4 4 m. Terratecs rbm programme incorporates standard raise. In what is regarded as the biggest raise boring project in mining history, swedish mining services contractor bergteamet was able to use some of the largest raise borers available to produce 55,000 m of ventilation shafts and ore passes as part of lkabs recent project to develop a new haulage level 320 m below the existing level at 1,045 m depth. Key technologies of drilling process with raise boring.
Raise boring utilizes brute strength to break the rock. The original and most traditional series of raise boring machines is the tr terratec raise series. Mining the high grade mcarthur river uranium deposit iaea. The rods are also designed with features that contribute to long life and serviceability. Raise boring is not only a safer method, but it is also a much more productive one. Simba 54 longhole drilling rig has an ability to drill parallel holes in the side walls and also in downward and upward manner. Foxit pdf printer this free pdf printer is a great solution if you are looking for a light pdf printer that is just as reliable as more advanced ones. To achieve a 26 mm spacing you should use a combination of rcc 4 and rcc 5 cutters on the reamer. World record for raiseboring construction and mining magazines. Mdg 1030 guideline for raiseboring operations 2 disclaimer.
The runonerror command line is now executed if a macro raises an error. With less time and resources spent excavating shafts and reduced rehabilitation of neighbouring excavations, raise boring can enhance the. Deviations of 02% of the length can be experienced. Terratec has developed through the years its own series of raise boring machines, which today is recognized as a superior product due to its innovative and highperformance design. Consequently, the list of applications of long, vertical, large.
For the blind sink or slipe and line options, winders and other major equipment would have been required with at least 3mva of power. Our boring drills include only premium components, and all robbins machines come with a 12month 2 000hour warranty. It is drilled using a roller bit with sealed bearings, together with hollow drill pipes 1. Raise boring rigs raise boring drilling and mining.
At the top of this page you can also search for something spec ific, check out the newest models, see what mode ls the tinkercad staff. Full length article key technologies of drilling process with raise boring method zhiqiang liua, yiping mengb ainstitute of mine construction, tiandi science and technology co. The modern breakthrough that made tunnel boring machines efficient and reliable was the invention of the rotating head, conceptually based on the same principle as the percussion drill head of the mountain slicer of henrijoseph maus, but improving its efficiency by reducing the number of grinding elements while making them to spin. These machines are designed to execute raises by raise boring method only. The vtthhee vvthe v30 drilling solution30 drilling. At tumi, we strive to provide the highest quality raise boring machines worldwide. Boring machines tr series, which are used in mining and civil construction to excavate.
Raise drilling is used to create large drill holes up to 7. In planning offices and on jobsites, professionals are working hard to meet the increasing demands for ever more efficient infrastructures. Foxit has recently gained popularity thanks to the fact that it comes loaded with a great deal of features that increase its capability for pdf editing and printing. The following terratec standard raise boring machines are available. Borehole hoisting applications were first used in the 1970s with small. This allows the robbins 61r to operate in more confined spaces, where height restrictions prevent other equipment from operating.
It can be used in small to mediumsized drifts with a hole range of about 51 to 89 mm. Although the blindholeboring operation at vaal reefs. Raise rcc il boring rcc 5 in hard and tough rock formations, a 26 mm spacing is vital to get an efficient kerf breakage. Key technologies of drilling process with raise boring method.
The compilation of information contained in this document relies upon material and data derived from a number of third party sources and is intended as a guide only in devising risk and safety management systems for the working of mines and is. The holes, or tunnels, are used to connect mine shafts, power plant tunnels or channels for rainwater and. The threaded connections on the rods are cut to exacting standards and verified using precision gauges prior to leaving the factory. As it has been for 12 years, the handbook is available as a free download from our website. The palmieri group supplies both the specific parts cutters, head, rods and stabilizers and the complete machines. Citrix fahig, unterstutzt pdf hintergrunde, wasserzeichen, als pdf netzwerk drucker. The sandvik raise boring system includes a wide range of reaming heads in a number of. We are the global industry leaders in raise boring and also offer services such as boxhole.
Today, it is often the preferred means of excavating openings in underground projects in underground mines raise boring is used in the construction of major capital infrastructure such as ventilation shafts. Rising to the challenge raise boring, a widely used technique in the mining and civil sectors, has come a long way over the years. Free pdf printer create pdf documents from windows applications. Upon completion of raise boring, it was intended to immediately apply shotcrete lining to the raises but the contractor encountered. The machine is designed for use in raises a minimum of 1,5 m diameter up to 6 m diameter. Application of raiseboring for excavating horizontal. A raise boring raise the bar ailbhe goodbody examines recent trends in raise boring and some of the mining projects where it is currently in use a 7. Tterratecs success is based on the experience and excellence of its engineering team. The raise robot is a remotely controlled robotic assembly for the spraying of shotcrete in shaft. See the best industrialgrade 3d printer on the market. Rock boring our raise boring fleet of 102 rigs is the largest in the world, with our larger diameter rigs we are able to drill depths up to 1. Key technologies of drilling process with raise boring method article pdf available in journal of rock mechanics and geotechnical engineering 74 may 2015 with 1,904 reads how we measure reads. Slot development using a conventional raise boring machine involves sophisticated equipment requiring a specialised labour force. Once a pilot hole has been made, a milling head placed at the deepest level is rotated and pulled by a special machine raise boring machine rbm positioned at the upper level, reaming the pilot hole to the final, desired diameter.
In addition, the raise boring machines are classified into different types and the characteristics of each type are described. Hands free eliminating manual activities and ensuring that the risk is contained by means of engineering. Sandvik rr880 raise boring pilot bits raise your expectations pilot hole productivity you can count on up to 35% longer bit life than our previous model avoid unnecessary pilot bit changes save time, improve productivity and reduce your raise boring costs with sandvik rr880. Main frame and gripper arrangement one of the challenges in developing this machine was the limited space available for, transport, erection, deployment in the hole. Ground improvement for ventilation raise construction. The ore cuttings from the raise boring will be ground underground and pumped to surface as slurry, at an. Raise boring machines from epiroc have been setting the industry standard for more than fifty years. A wide variety of raise boring machine options are available to. Upon completion of grouting activities, conventional raise boring operations proceeded to construct 2. Ruc cementation mining contractors has modified their fleet of robbins 61r raisebores to create a low profile rig. This report presents the principles of horizontal raiseboring, case studies, a proposed method for boring horizontal deposition tunnels in kbs3 concept and deposition holes in mlh concepts.
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