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drilling machine


Anchor Drill Rig – Brief Intro & Q&A


Brief: Compact hydraulic rig for installing roof bolts in mines and tunnels – drills, inserts, and tensions anchors in one unit.


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Q1: Mast rig vs. roof bolter?

A: Roof bolter is smaller, for overhead tunnel/mine work only.


Q2: Depth & diameter?

A: 2–6m deep, 32–52mm holes.


Q3: Hard rock?

A: Yes – rotary-percussion + carbide bits.


Q4: Auto bolt installation?

A: Yes, built-in arm inserts and torques bolts.


Q5: Daily maintenance?

A: Check oil, grease head, inspect drill steel.

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