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Coal-cutting forces and primary dust generation using radial gage cutters

Testing modified coal-cutting bit designs for reduced energy, dust, and incendivity

Effect of asymmetric wear of point attack bits on coal-cutting parameters and primary dust generation

Effects of water on coal cutting forces and primary dust distribution

Reduction in frictional ignition due to conical coal-cutting bits

In situ comparison of radical and point-attack bits

Preliminary evaluation of the relationship of bit wear to cutting distance, forces, and dust using selected commercial and experimental coal- and rock-cutting tools

Use of an in-seam tester to determine effects of bit type on primary dust generation

Frictional ignition with coal mining bits

Frictional ignition of natural gas-air mixtures by alternative coal-cutter bit shank materials


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