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14 results returnedProgress report on investigation of detachable rock-drill bits
Hot milling of rock-drill bits at the mines of the Vinegar Hill Zinc Co., Platteville, Wis.
Progress report no. 2 on investigation of detachable rock-drill bits
Progress report 4 on investigation of detachable rock-drill bits
Progress report no. 3 on investigation of detachable rock-drill bits
Mount Weather testing adit :progress report 1
Effect of lubricating agents in a diamond-drilling-bit coolant and cuttings-removal medium
Development of a successful hard-surfaced bit for drilling oil shale
Diamond orientation in diamond bits :a method of identifying hard vectors for setting purposes
Diamond orientation in diamond bits.
Drillability studies :impregnated diamond bits
Effect of depth of cut and bit type on the generation of respirable dust
Effect of symmetric bit wear and attack angle on airborne respirable dust and energy consumption
Published Year
Subject
- Bits (Drilling and boring) (14) *
- Drilling and boring (7)
- Rock-drills (6)
- Diamond bits (3)
- Coal mines and mining--Dust control (2)
- Boring (1)
- Coal-mining machinery (1)
- Cutting machines (1)
- Drilling muds (1)
- Mine dusts (1)
- Zinc mines and mining--Wisconsin (1)
Author
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