Question
Download Solution PDFThe process of enlarging a hole size and enhancing its surface finish is known as _______.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFConcept:
Boring: Boring is an operation to enlarging of an existing hole, which may have been made by a drill or maybe the result of a core in a casting.
Reaming
- Reaming is a sizing operation that removes a small amount of metal from a hole already drilled.
- It is done for two purposes:
- To bring holes to a more exact size
- To improve the finish of an existing hole
Drilling: Drilling is a cutting process that uses a drill bit to cut or enlarge a hole of circular cross-section in solid materials. The drill bit is a rotary cutting tool.
Counter sinking: It is the process of making the holes slightly tapered in the beginning. It is a seating place for screws.
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