Task No. 5.1
Task: Using Hacksaws
Sub
Task: Identify different types
of Hacksaw and their use.
Aims:
1.
What are the
different types of hacksaw?
2.
How to fit a
hacksaw blade.
3.
What is the use of
hacksaw?
Requirement
for performing the task:
1.
Reference theory
from MEK Text book.
2.
Different types of hacksaw.
a.
Fixed frame hacksaw
b.
Adjustable hacksaw
Precaution to be observed:
- Choose the correct blade for the material being cut.
- Secure the blade with the teeth pointing forward.
- Keep the blade rigid and the frame properly aligned.
- Cut using strong, steady strokes directed away from you.
- Use the entire length of the blade in each cutting stroke.
- Keep saw blades clean, and use light machine oil on the blade to
keep it from overheating and breaking. - Cut harder materials more slowly than soft materials.
- Clamp thin, flat pieces that require edge cutting.
- If you’re cutting pipe, always secure it in a vise before cutting
ADJUSTABLE
HACKSAW
SOLID
FRAME HACKSAW
FRAME HACKSAW