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ABSTRACT

Proper selection of machines and equipment used in underground coal mining significantly influence the increase of their durability and reliability. The paper describes new, created in Poland devices to determine and evaluate the mechanical properties of the carbon (workability) whose co-founder is the author of this paper. These devices reflect the nature of the work of a plough and drum cutter-loader. It is presented their construction, operating principles as well as innovation and originality of used solutions. The devices are certified by enabling them to work in conditions of real mines, as a device intended for use in potentially explosive atmospheres. These devices have been awarded medals and diplomas at many International Fairs and Technological Innovation Exhibitions.

KEYWORDS

Workability, measurement, measurement methods, experimental research.

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