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2022
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What does it mean to extend the life of the drill pipe by 30%?
Sandvik was founded during the great development of metallurgical industry. In 1862, Göran FredrikG ransson and his experienced engineers and employees successfully produced steel for the first time using the Bessemer steelmaking process. Swedish steel quickly became a hot commodity because of its high quality. Rock drills were the first tools to actually use this steel, and Sandvik began supplying it in the 1870 s. Today, Sandvik is proud to carry on this time-tested tradition, which has given the company a unique manufacturing capability-the self-production of rock drilling rigs.
A new grade of steel significantly extends the life of the drill pipe of the innovative Range rig, greatly benefiting users.
Sandvik was founded during the great development of metallurgical industry. In 1862, Göran FredrikG ransson and his experienced engineers and employees successfully produced steel for the first time using the Bessemer steelmaking process. Swedish steel quickly became a hot commodity because of its high quality. Rock drills were the first tools to actually use this steel, and Sandvik began supplying it in the 1870 s. Today, Sandvik is proud to carry on this time-tested tradition, which has given the company a unique manufacturing capability-the independent production of steel for rock drilling rigs.
Customer safety and production efficiency have been significantly improved.
The company has never stopped its research and development activities, as evidenced by the large number of patents awarded by Sandvik for material technology innovations. Metallurgical technology continues to play an important role in modern rock drilling tools. Sandvik's new Range top hammer drill pipe uses this new grade of steel.
This new series of drill pipes has been developed to meet the growing market requirements. The product is based on an extensive research and development project designed to solve real-world problems that customers encounter in their daily operations. The product manager of Sandvik open-pit top hammer drilling tools said: "We study the worn drill pipes collected, and then analyze the weaknesses in the Swedish research and development laboratory and improve them."
Drill pipes are subjected to enormous external forces, including gravitational acceleration of 3,000 to 4,000g per impact, and each drill pipe will experience thousands of repeated impacts during its life cycle. In contrast, the maximum gravitational acceleration of modern fighter aircraft is generally set within 10g. The new high-performance rock drilling rig, connecting the various joints of the drill pipe can withstand high pressure and friction generated by several hundred degrees of high temperature. When Sandvik's research and test data began to appear, the results quickly became clear-compared to the previous steel, the new grade steel has more strong wear resistance. Because of this, the service life of the new drill pipe has been extended by more than 30%, and in some applications it will even be extended even more. The life extension rate is not just a theoretical calculation, but based on facts.
New Range focuses on the need for highly productive and cost-effective drilling
We have conducted extensive testing at different mining sites in various countries where our customers are located, such as South Africa, Germany and Australia. The results show an impressive increase in the service life of the drill pipe in an all-rock environment. The service life of the larger T51 and GT60 drill pipes has been extended by 30%.
Experiments were completed in collaboration with mining contractors in South Africa.
Drill pipes are subjected to huge external forces and thousands of repeated impacts.
Longer service life can initiate a positive domino effect, which can bring real benefits to customers. Drill pipe life is extended by 30%, which can substantially reduce drilling costs per meter. The number of drill pipe replacement is reduced, and there is no need to take the mine car to take the new drill pipe, thus saving time and directly improving production efficiency. Another major advantage is increased security. The reduction in the number of drill pipe changes reduces the risk of injury to the rig operator and mechanical personnel. The reduced frequency of drill pipe replacement means that the number of drill pipes recovered is reduced, thereby saving raw materials and energy. The reduction in material transport also reduces fuel consumption and emissions, as well as the cost of transportation to and from the mine and the recovery of drill pipe.
Customer ratings for Range Drill Pipe
"We tested the new + Range drill pipe side by side with the old model so that we can compare fairly. We completed 13,800 m drilling with the new + Range drill pipe. This is more than twice the average. The service life of the new drill pipe has been extended by 30-35%, which means we will save a lot of business costs. At the same time, our production has also increased by 10-15%."
"In the past, we used to waste diesel with drill pipe changes two to three times a month. The new Range product will help us reduce diesel costs."
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