Coal-cutting bits

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

by Laxman S. Sundae.

Coal cutting forces and primary dust generation using radial gage cutters

by Wallace W. Roepke and Jon I. Voltz.

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

by Matthew N. Plis, Carl F. Wingquist, and Wallace W. Roepke.

Improved drilling of coal measure rocks for underground mine void detection and exploration programs

by Pamela J. Watson, Patrick A. Tuzinski, and John E. Pahlman.

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

by Wallace W. Roepke and Bruce D. Hanson.

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

by Wallace W. Roepke and Bruce D. Hanson.

Reduction in frictional ignition due to conical coal-cutting bits

by Lung Cheng, Aldo L. Furno, and Welby G. Courtney.

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

by L. Garner McDonald.

Effects of water on coal cutting forces and primary dust distribution

by Wallace W. Roepke and Theodore A. Myren.

In situ comparison of radical and point attack bits