Question
Download Solution PDFHacksaw blades with fine-pitched teeth are more effective on which of the following?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Hacksaw frame:
- A hacksaw frame is used along with a blade to cut metals of different sections and is specified by the type and maximum length of the blade that can be fixed.
- A hacksaw blade is made of either low-alloy steel (LA) or high-speed steel (HSS) and is available in standard lengths of 250 mm and 300mm.
Pitch of the blade:
- The distance between adjacent teeth is known as the ‘pitch’ of the blade.
- Hacksaw blades with fine-pitched teeth are more effective on thin metal.
Pitch = \(\frac{Length~of~blade}{Number~of~teeth~on~blade}\)
|
Classification |
Pitch |
|
Coarse |
1.8 mm |
|
Medium |
1.4 mm & 1 mm |
|
Fine |
0.8 mm |
|
Pitch |
Type of set |
|
0.8 mm |
Wave set |
|
1 mm |
Wave set or staggered set |
|
Over 1 mm |
staggered set |
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