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Which of the following sets of tools and processes are normally employed for making large diameter holes?
  • a)
    Boring tool
  • b)
    BTA tool and gun drill
  • c)
    Gun drill and boring tool
  • d)
    Boring tool and trepanning
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Which of the following sets of tools and processes are normally employ...
BTA tool: Boring and trepanning association.
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Most Upvoted Answer
Which of the following sets of tools and processes are normally employ...
BTA tool and Gun drill

BTA tool and gun drill are the commonly employed tools and processes for making large diameter holes. Let's understand each of them in detail:

BTA tool:
BTA (Boring and Trepanning Association) tool is used for drilling large diameter holes with a high level of accuracy and surface finish. It is a single-point cutting tool that removes material from the workpiece in a continuous manner. The BTA tool is designed to provide a steady supply of cutting fluid to the cutting edge, which helps in maintaining the temperature and chip evacuation.

Gun drill:
A gun drill is a long, straight cutting tool that is used for drilling deep holes. It is a single-fluted tool that removes chips through a coolant channel. The gun drill is designed to provide a high level of accuracy and straightness in holes. The gun drill is commonly used for drilling holes in turbine blades, engine blocks, and other similar applications.

BTA tool and Gun drill combination:
When drilling large diameter holes, a combination of BTA tool and gun drill is used. The BTA tool is used to create a pilot hole, and the gun drill is used to enlarge the hole to the desired diameter. This combination provides a high level of accuracy, surface finish, and straightness in holes. The gun drill removes chips through the coolant channel, and the BTA tool provides a steady supply of cutting fluid to the cutting edge.

Conclusion:
In conclusion, the BTA tool and gun drill combination is the commonly employed tool and process for making large diameter holes. This combination provides a high level of accuracy, surface finish, and straightness in holes.
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Which of the following sets of tools and processes are normally employed for making large diameter holes?a)Boring toolb)BTA tool and gun drillc)Gun drill and boring toold)Boring tool and trepanningCorrect answer is option 'B'. Can you explain this answer?
Question Description
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