General Studies · Machining and Machine Tools
Why is high-pressure cutting fluid supplied through the interior of the tool during a gun drilling operation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1To cool and lubricate the cutting edge, and continuously flush out chips from the deep hole✓
- 2To facilitate the frequent periodic retraction of the tool for chip evacuation
- 3To minimize high-frequency tool vibration and eliminate rotational runout
- 4To reduce the required length of the drill and increase structural rigidity
Correct answer
To cool and lubricate the cutting edge, and continuously flush out chips from the deep hole
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