Principle of Drilling & Drillability_DTH, Top Hammer, Rotary & Percussion Drilling & Drillability

Описание

MINE DRILLING & BLASTING VIDEO LECTURE:
1. Principle & Types of Drilling in Mining:

Timeline:
00:12 Contents
01:12 Intro
04:08 Principles of rock drilling
08:52 Rotary Drilling
11:16 Percussion Drilling (Top Hammer Drilling)
12:36 Rotary Percussion Drilling ( Down The Hole DTH)
13:56 Drillability
15:22 Factors affecting drillability

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