Conical bit rotation as a function of selected cutting parameters

Additional Authors: Wingquist, Carl F., Hanson, Bruce D., Roepke, Wallace W., Myren, Theodore.
Year: 1985
Document Type: BMRA
Issuing Agency: U.S. Dept. of the Interior, Bureau of Mines,
SUDOC: I 28.23:8983
Series: Report of investigations / United States Department of the Interior, Bureau of Mines ;
Report Number: 8983
Subjects: Coal-mining machinery--Testing
Bits (Drilling and boring)--Testing
Link: https://hdl.handle.net/2027/mdp.39015078488783

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