Application of Cemented Carbide in Geological and Mining Tools

Cemented carbide geological mining tools are basically made of WC, Co alloys, and are mostly two phase alloys, mainly coarse-grained alloys. Often according to the different rock drilling tools, different rock hardness, or in different parts of the drill, the mining tool wear degree is different, will require the average grain of WC, cobalt content is also different.

What types of cemented carbide geological mining tools are available and what are the outstanding advantages of each of them?

The material of mining cemented carbide requires high purity of raw materials in addition to WC, Co particles are generally coarse, and there is a strict requirement range for total WC carbon and free carbon. Cemented carbide geological mining tools have formed a relatively stable and mature production process, generally using paraffin wax as the forming agent, vacuum dewaxing (and hydrogen dewaxing) and vacuum sintering.

Tungsten carbide geological mining tools are responsible for engineering geology, oil extraction, mining and civil construction and other important tasks. Cemented carbide geological mining tools as a traditional mining rock drilling tools, rock drilling tools by the impact and wear and other complex role, harsh working conditions, mining rock drilling there are at least four forms of wear, namely: thermal fatigue wear, impact wear, impact fatigue wear and abrasive wear. Cemented carbide geological mining tools compared with general geological mining tools, hardness, strength and toughness is higher. Cemented carbide can better adapt to the changing rock drilling conditions, to ensure that the toughness does not decline under the conditions of the alloy to further improve wear resistance.

As a common component of mining tools, carbide tooth bits can replace 4~10 steel tooth bits, and its drilling speed is twice as high, meanwhile, carbide tooth bits change bits less times, which improves productivity and perforation rate. For carbide tooth bits, the teeth are required to adapt to various rock characteristics, fast perforation rate, wear resistance and impact resistance, so as to achieve a long service life. Carbide tooth drill bit diving drill bit has become the main tool for high efficiency perforation. At present, cemented carbide geological mining tools have a broad prospect for large and medium-sized open-pit metal mines, especially large-type non-ferrous open-pit mines perforation and submerged holes.

Carbide brazing head is also one of the tungsten carbide mining tools. There are many kinds of cemented carbide braze-heads, and the cross-shaped braze-head, which is a widely used high efficiency drilling tool in changing rock formations. The X-shaped drill bit is suitable for drilling soft or broken rocks with high drilling speed and rounded holes, with tapered and threaded connections, and can be used for mechanized drilling.

There are several kinds of cemented carbide products, such as ball tooth, brazing piece, ground investigation tool, milling tooth and coal cutting tooth, with grain size ranging from 1.75μm to 7.0μm according to different working conditions.

Hunan Jetvision is one of the leading Tungsten carbide mining manufacturers and suppliers with over 20years experience of carbide button production and technology, we mainly manufacture, stock and supply kinds of cemented carbide mining products, such as dome button, Parabolic inserts, Spherical inserts, Conical inserts, Wedged inserts, Spoon inserts, Flat top inserts, Road milling picks inserts, etc. at the best factory prices.

Hunan Jetvision Industrial Co.Ltd offer kinds of tungsten carbide products for mining, such as carbide button, carbide teeth, carbide insert for mining, carbide coal button, carbide PDC substrate, etc. With top quality and low factory price.

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