Exploration drilling is responsible for locating and quantifying the mineralization of a given area. If the initial assessment of the property indicates sufficient evidence, the project is brought to the next step in the cycle for commercialization. This assessment is made possible by gathering detailed information about the geology below the surface through the collection of samples.
As the world’s most complete supplier to the mining and construction industries, Sandvik enjoys a unique position with regards to the early stages of the mining process. Thanks to our worldwide presence, we are always close at hand to provide a full range of products and services for exploration drilling which includes drill rigs, tools, accessories and related sampling equipment for all major exploration applications.
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3This is the most widely used bit in the industry today. There are a number of variations being offered, but generally speaking the composition is as follows.
The blank is the steel body of the bit. One end is threaded so that the bit can be connected to the drill string while the other end is bonded to the crown. The inner diameter of the blank has been designed to house the core lifter case which acts together with the core lifter as a stop valve to allow the core sample to go in, but not fall back out down the hole. The combination of the bit, core lifter and core lifter case also assists in breaking the core at the bottom of the hole.
The crown (or matrix) of an impregnated bit is made up of a number of metal powders which are blended with selected synthetic diamonds. These materials are then packed into a mold and fused into one mass by the infiltration of molten alloys during a furnacing process. This process also adheres the crown to the bit blank.
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