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Articles

Future Needs for Cemented Carbide in Coal Mining

Pages 13-15 | Published online: 19 Jul 2013
 

Abstract

Because of competition from low priced oil and foreign coal the UK coal industry has an urgent need to minimize the cost of producing deep mined coal. In terms of the tools used to cut the coal, this means tools with longer lives and higher general levels of performance that will not only reduce the overall cost of purchasing tools but will also contribute to more efficient methods of coal winning, such as retreat mining. A review of the current situation reveals potential for improvements in the overall standard of performance of carbides currently purchased. Future requirements for carbides are seen in terms of improved toughness and wear resistance, and comparisons are made with the improvements in performance seen in metal cutting. Finally, the situation facing British Coal and the carbide producing industry is considered in terms of the strengths, weaknesses, opportunities, and threats facing both parties in respect of cemented carbides. The scope for reducing the cost of tool purchases that is apparent for British Coal clearly presents a challenge to the carbide producing industry. In meeting this challenge quality, reliability, and performance will more than ever before be vital. PM/0421

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