Rock drills are a prevalent machine across the construction industry and are used in various applications such as mining, digging wells, preparing foundations and rock and mineral excavation. Rock drills are designed to make it easier to drill through large and vigorous rocks that may be complicated to breakdown by manual labour. Pneumatic rock drills present themselves as a popular and extremely hard-wearing piece of machinery and are required to be incredibly durable in order to blast apart rock surfaces so they are able to fit into a crusher.

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History of Rock Drilling

In the earlier days of underground mining, manual drilling was the most common method. One man would rotate the drill, whilst another man would swing the hammer to knock into and breakdown the rock. Most advances in rock drill technology have been developed by miners.

Arguably, the first rock drill was invented by American J. J. Couch in in Philadelphia. It is said that the &#;s Mont Cenis tunnel (between France and Italy) and the &#;s Hoosac Tunnel (in Massachusetts, USA) produced a vast number of innovations in rock-drilling equipment, with the invention of the compressed-air drill. A notable improvement on the original prototype occurred in by C.H. Shaw, a machinist from Denver. His development featured a piston and drill rod separated from each other, like those we use today. In , Atlas Copco, one of the leading rock drill manufacturers, produced their first ever drill driven by compressed air.

What are Rock Drills used for?

As mentioned previously, rock drills are used throughout various different processes and jobs within the construction industry. Rock drills are used at the start of the mining process to drill holes into the rock, in which explosives will later be charged and detonated in a planned sequence. Although they can also be used rock excavation, their key tasks mainly are digging wells, preparing foundations and mineral exploration.

Below are the three most common rock drilling methods:

• Top hammer drilling is primarily used in construction, mining and quarrying of rock materials. With top hammer drills the hammer produces a percussive force on the drill rods or tubes, which is transferred to the drill bit. Made up of a long rod known as a drill string which is attached to the end this is hit by a drifter (hammer) to break the rocks.  One advantage of the machines required, they are often cheaper than DTH or rotary rigs and are readily available.

• The down-the-hole (DTH) method is usually used in the oil and gas industry, on construction sites, in the mining industry (blast hole drilling) and drilling water wells. The machines used are made up of a drilling hammer at the bottom of a drill string. As the drill string rotates slowly, the drilling hammer is pushed into the rock continuously. The DTH drills are thought of as having a number of advantages upon the other alternatives such as rotary. Among these unique advantages are capable of drilling in almost all ground conditions, easy to maintain, creates minimal dust emissions, choice of hole diameters and cleaner more accurate holes. This drill is often the most suitable choice for projects in cities and populated areas as they product a lot less noise and vibrations in comparison to other options.

• Mainly used in underground mining the rotary technique is required to drill boreholes in a range of diameters. The drill bit is rotated against the bottom under a heavy load, breaking the rock by compression.  Suitable to adapt for use at any angle this machine has a number of advantages which makes it a great choice for most construction sites. Some of the benefits include the speed, the accuracy, the high results produced and many more. It is believed the Egyptians used a method similar to this as far back as B.C.

Omnia Machinery provides a number of the largest manufacturers of rock drills available, including Atlas Copco, Sandvik and Tamrock to name just a few. Our expert team has a great deal of experience shipping Atlas Copco rock drills as far as Africa and Asia, and so with us, you can buy with confidence that you are dealing with an industry specialist. If you would like any further information on our Piling and Drilling machines, be sure to contact us!

A Comprehensive Guide to Choosing the Right Rock Drilling Equipment for Your Project

A rock drilling project&#;s success largely depends on the selection of the right equipment. With proper assistance from professionals and customer service, there are other factors to look at before you finalize your order.

Abhinav Chandrayan  |  March 26,

         

Rock drilling equipment includes a wide range of tools and technology designed to penetrate rock formations where traditional methods are ineffective. The primary function is to create holes in the hard abrasive surfaces that allow mining, exploration, and construction operations to happen. Rising demand for mineral resources, growing urbanization, and new infrastructure projects have consequently created growth opportunities for the rock drilling equipment market. However, with a myriad of advanced and sophisticated tools available, choosing the fittest equipment requires mindful evaluations.

Here are 7 factors to consider before investing in rock drilling equipment.

1. Project Requirements

Whether it is a large-diameter drilling or micropile tieback, identifying the project and its needs is the topmost priority. The next important aspect is the scale or size of the project. If it is a project with a longer duration, it is going to require more robust, and durable tools than small projects. In addition, it is crucial to identify the solid type. Analyzing the ground condition, whether it is made up of clay, sand, or rock, and to what percentage, presence of ground waters, etc. influences the kind of drilling techniques, and equipment needed. The diameter and depth of the foundation are other dictating factors that should be considered. With deeper foundations, equipment capable of reaching greater depths is necessary.

2. Tool Compatibility

Ensuring the chosen tool with the previously hoarded equipment is required for seamless functioning on site. If a tool doesn&#;t fit in with the equipment the quality of the drilling degrades. Companies like Tianhe provide comprehensive understanding of various drilling rigs and offer expert guidance on selecting compatible tools to avoid downtime caused by incompatible equipment and effectively maximize utilization.

Want more information on Rock Drilling Tools Manufacturers? Feel free to contact us.

3. Equipment Size and Rig

To select the size and rig of the equipment, the first thing that needs to be considered is the condition of drilling. Choosing the size and rig hugely depends on whether mobility is the key or the topology where the drilling will be done. Drilling on a slope, or vertical rock wall, or straight down, each type of ground has a unique requirement. Moreover, the need for units is also to be taken care of. Whether you want a separate compressor or everything in one unit is a deciding factor indeed. Pantera TM DP, Ranger TM DX, and Dino TM DC are some of the leading companies that offer a series of drillers with an impressive range of hole diameters, power, and flushing air capacity.

4. Quality of the Equipment

Rock drilling projects are usually medium or long-term. Having high-quality equipment reduces unwanted time wasted on repairing, fixing, or replacing the tools. Using high-quality materials to manufacture drilling tools ensures their longevity and reliability. The durability and performance of a drilling tool depend largely on the materials used in its construction. It is necessary to choose companies capable of guaranteeing quality and durability. For instance, OCMA DrillTech provides an ISO: certification which is a recognized global standard for a cost effective, reliable performance and service life.

5. Depth and Diameter of Holes

The depth and diameter of the holes needed to drill are crucial considerations when choosing a drilling tool. Whether you are working on a large-scale mining project or conducting precise geotechnical drilling, the quality of the hole depends on the quality of the tools used for drilling. The right tool allows optimal drilling parameters, such as rotation speed and weight on the bit, which can reduce energy consumption and drilling fluid costs.

6. Cost-efficiency and Performance

Balancing initial costs with long-term benefits is an important aspect when choosing the equipment. With advanced technology and superior materials, these tools enable you to work faster without compromising quality, ultimately maximizing your efficiency and productivity on site.

7. Safety and Reliability

Buying the wrong tool often leads to equipment failure, stuck pipes, and other safety hazards. The quality equipment can withstand specific pressures, stresses, and conditions. The right tool can help maintain borehole integrity, preventing costly issues like collapsed wells. Proper selection allows for better control over the drilling process, reducing the risk of equipment failure and potential blowouts.

Last but Never the Least!

Last but never the least it is always a great option to ask for and consider references from previous buyers. If a company has a recognized track, it will have multiple testimonials from which you can get enough information about the equipment. Another point to consider is that the company should have a team of professionals and customer support services. Although choosing the correct equipment is a critical step for any dealing project, the selection process will eventually provide clarity towards making an informed and confident decision.

For more information and predictive analysis of the rock drilling equipment market, contact Research Dive analysts today.

About the Author(s)

   

Abhinav Chandrayan

Abhinav Chandrayan has worked in the Writing industry for 2 years, gaining experience in Media & Advertising and Market Research Industry. As a seasoned writer, he is passionate about advancing his writing skills by reading and working on versatile domains. In addition to writing, he is also involved in filmmaking, where his films have won many awards at International Film Festivals.

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