Master drilling is the worldleader in the raise bore drilling services industry. Ruc cementation mining contractors has modified their fleet of robbins 61r raisebores to create a low profile rig. Citrix fahig, unterstutzt pdf hintergrunde, wasserzeichen, als pdf netzwerk drucker. World record for raiseboring construction and mining magazines. The threaded connections on the rods are cut to exacting standards and verified using precision gauges prior to leaving the factory. Our boring drills include only premium components, and all robbins machines come with a 12month 2 000hour warranty. Hands free eliminating manual activities and ensuring that the risk is contained by means of engineering.
We continue to lead thanks to outstanding equipment design and excellent quality. See the best industrialgrade 3d printer on the market. Blind boring system 279 and recessed cutters to avoid stalling of the head in fractured and blocky ground. 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. Raise rcc il boring rcc 5 in hard and tough rock formations, a 26 mm spacing is vital to get an efficient kerf breakage. In planning offices and on jobsites, professionals are working hard to meet the increasing demands for ever more efficient infrastructures. We are the global industry leaders in raise boring and also offer services such as boxhole. 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. Support services our service division additionally undertakes design, engineering, manufacturing, customisation and maintenance support for our drilling activities. A highperformance tophammer rock drill is provided in the rig for offering a sustainable solution for longhole drilling process. It is drilled using a roller bit with sealed bearings, together with hollow drill pipes 1.
Raiseboring has gained worldwide acceptance as the preferred method for constructing ventilation and hoisting shafts, ore passes and hydroelectric penstocks. 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. This allows the robbins 61r to operate in more confined spaces, where height restrictions prevent other equipment from operating. Boring machines tr series, which are used in mining and civil construction to excavate. Borehole hoisting applications were first used in the 1970s with small. The sandvik raise boring system includes a wide range of reaming heads in a number of. To achieve a 26 mm spacing you should use a combination of rcc 4 and rcc 5 cutters on the reamer. The raise robot is a remotely controlled robotic assembly for the spraying of shotcrete in shaft.
Raise boring machines pdfdatei, 1059 kb zuletzt abgerufen am 4. It can be used in small to mediumsized drifts with a hole range of about 51 to 89 mm. At tumi, we strive to provide the highest quality raise boring machines worldwide. The holes, or tunnels, are used to connect mine shafts, power plant tunnels or channels for rainwater and. 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. Raise boring machines from epiroc have been setting the industry standard for more than fifty years. Retractable arms stabilize the raise robot and allow for undulations. Upon completion of grouting activities, conventional raise boring operations proceeded to construct 2. 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.
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. Raise drilling is used to create large drill holes up to 7. 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. Each connection is treated in a kemplating process that coats. Consequently, the list of applications of long, vertical, large. Tterratecs success is based on the experience and excellence of its engineering team. A wide variety of raise boring machine options are available to.
Terratecs rbm programme incorporates standard raise. Raise boring utilizes brute strength to break the rock. 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. Rising to the challenge raise boring, a widely used technique in the mining and civil sectors, has come a long way over the years. Raise boring is not only a safer method, but it is also a much more productive one. By 2030 already, 60 percent of the worlds population is expected to live in cities. Upon completion of raise boring, it was intended to immediately apply shotcrete lining to the raises but the contractor encountered. 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. It is also a widely used technology in infrastructural projects for tunnel ventilation or surge shaft in hydroelectric power projects. Deviations of 02% of the length can be experienced. Free pdf printer create pdf documents from windows applications. In addition, the raise boring machines are classified into different types and the characteristics of.
The original and most traditional series of raise boring machines is the tr terratec raise series. Raiseboring tools the rotary drilling method of boring large diameter holes for the mining and construction industries has proven to be very cost effective. 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. The palmieri group supplies both the specific parts cutters, head, rods and stabilizers and the complete machines. 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. The following terratec standard raise boring machines are available.
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. Training a proficient raise bore operator is a lengthy process. Raise bore machines are normally operated by a mining contractor with highly trained raise bore operators. Mdg 1030 guideline for raiseboring operations 2 disclaimer. Pdf key technologies of drilling process with raise. As it has been for 12 years, the handbook is available as a free download from our website. Raise boring rigs raise boring drilling and mining. For the blind sink or slipe and line options, winders and other major equipment would have been required with at least 3mva of power. Although the blindholeboring operation at vaal reefs. 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. Ground improvement for ventilation raise construction.
With less time and resources spent excavating shafts and reduced rehabilitation of neighbouring excavations, raise boring can enhance the. The runonerror command line is now executed if a macro raises an error. Raise boring equipment sandvik mining and rock technology. In addition, the raise boring machines are classified into different types and the characteristics of each type are described. The vtthhee vvthe v30 drilling solution30 drilling. These machines are designed to execute raises by raise boring method only. 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. To drill an 821 meter raise bore hole a hg 330 machine was required, which on full load conditions required 630kva. In underground mining, a raise refers to a vertical or inclined excavation that leads from one level, or drift, to another. Mining the high grade mcarthur river uranium deposit iaea.
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. 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. Simba 54 longhole drilling rig has an ability to drill parallel holes in the side walls and also in downward and upward manner. The usual dimension of the starting area is a cubicle of about 4 4 m. These drills can be manufactured for the excavation of upreamed large shafts in diameter up to 6,000mm in a single pass. Reliable, affordable, industrial 3d printer solution raise3d. 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. 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. Key technologies of drilling process with raise boring. Slot development using a conventional raise boring machine involves sophisticated equipment requiring a specialised labour force.
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