Scholarly record
A REVIEW OF MACHINE PARAMETERS INFLUENCING THE DRILLING RATE IN MINES
Abstract
Drilling rate is one of the main determinants of drilling cost. The performance of any drill bit is affected by the complex interaction of numerous factors. The principal factors that require consideration in predicting drilling rate, particularly for mining application, are the characteristics of the rock and the operating parameters of drilling machine. In this paper, the most important operating parameters of drilling machine were reviewed using many basic studies on drilling rate and dillability since 1956. The result demonstrates that, rotational speed, weight on bit, flushing pressure and bit diameter are the most effective parameters that influencing the drilling rate in mines.
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