Question
Download Solution PDFA prick punch having angle of taper 60° is used for _____.
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
- Punches are used in order to make certain dimensional features of the layout permanent.
- There are two types of punches. They are made up of high carbon steel, hardened and ground.
|
Punch |
Point Angle |
Application |
|
Center Punch |
90° |
This is used for locating the center of the holes. The wide punch mark gives a good seating for starting the drill. |
|
Prick/Dot Punch |
30° |
It is used for making light punch marks needed to positive dividers |
|
Prick/Dot Punch |
60° |
These punches are used to make witness marks on scribed lines. This makes it easier to see accurate marking out lines. |
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