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The correct sequence of machining operations to be performed to finish a large diameter through hole is
- a)drilling, reaming, boring
- b)drilling, boring, reaming
- c)boring, reaming, drilling
- d)boring, drilling, reaming
Correct answer is option 'B'. Can you explain this answer?
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The correct sequence of machining operations to be performed to finish...
The correct sequence of machining operations to be performed to finish a large diameter through hole is drilling, boring, reaming. Let's understand why this sequence is correct in detail.
Drilling:
Drilling is the process of creating a hole in a workpiece using a drill bit. It is usually the first machining operation performed to create a hole. In this case, the large diameter through hole needs to be created, so drilling is the first operation that needs to be performed.
Boring:
Boring is the process of enlarging an existing hole. In this case, the hole created by drilling needs to be enlarged to the required diameter. Boring is the best process to achieve this as it provides greater accuracy and surface finish. Therefore, after drilling, the next operation that needs to be performed is boring.
Reaming:
Reaming is the process of finishing a hole to a precise diameter and surface finish using a multi-fluted cutting tool called a reamer. It removes a small amount of material to ensure the hole has a smooth, accurate finish. Reaming is the final operation that needs to be performed to achieve the required tolerance and finish.
Therefore, the correct sequence of machining operations to be performed to finish a large diameter through hole is drilling, boring, and reaming.
Drilling:
Drilling is the process of creating a hole in a workpiece using a drill bit. It is usually the first machining operation performed to create a hole. In this case, the large diameter through hole needs to be created, so drilling is the first operation that needs to be performed.
Boring:
Boring is the process of enlarging an existing hole. In this case, the hole created by drilling needs to be enlarged to the required diameter. Boring is the best process to achieve this as it provides greater accuracy and surface finish. Therefore, after drilling, the next operation that needs to be performed is boring.
Reaming:
Reaming is the process of finishing a hole to a precise diameter and surface finish using a multi-fluted cutting tool called a reamer. It removes a small amount of material to ensure the hole has a smooth, accurate finish. Reaming is the final operation that needs to be performed to achieve the required tolerance and finish.
Therefore, the correct sequence of machining operations to be performed to finish a large diameter through hole is drilling, boring, and reaming.
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The correct sequence of machining operations to be performed to finish...
Drilling → Boring → Reaming
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The correct sequence of machining operations to be performed to finish a large diameter through hole is a)drilling, reaming, boring b)drilling, boring, reaming c)boring, reaming, drilling d)boring, drilling, reamingCorrect answer is option 'B'. Can you explain this answer?
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