Drilling Processes with Hydraulic Percussion Rock Drills

Rock drills were developed about two hundred years ago, and hydraulic percussion rock drills are about half-century old. Performance and efficiency of rock drills have been increased by a number of researchers and engineers. Percussion energy was dramatically increased with changing the power source...

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Bibliographic Details
Main Authors: Kimihiro HASHIBA, Katsunori FUKUI, Masahiro KOIZUMI
Format: Article
Language:English
Published: The Mining and Materials Processing Institute of Japan 2017-09-01
Series:Journal of MMIJ
Subjects:
Online Access:https://www.jstage.jst.go.jp/article/journalofmmij/133/9/133_223/_pdf/-char/en