7/23/2019 Susunan Ppt Hacksaw

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Good Morning everyvody, How are you

today? Now, I want to presenting

about hacksaw. Do you know about

Hacksaw? If you want to know detailed

about hacksaw, I will show you after

y introduction !rst. I" I#H$%N &'I#(N)*'*, I live in +awen. My absent

nuber is -. *# H' $ G*

De!nition

  % tool often used for cutting

etal is the hacksaw.

  % hacksaw is a saw with a frae

and a blade designed for cutting

etal.

   &hey are designed so new

blades can be installed easily.

Hacksaw parts

/. Handle0. 1rae2. +lade3. %d4uster

Hacksaw 5urpose

/. )(& M&%60. )%N )(& 56%7&I), $**D, &).

HACKSAW MAINTENANCE & SAFETY 

1. KEEP BLADE PROPERLY

TIGHTENED AND INSTALLED IN

PROPER DIRECTION

2. KEEP YOUR FINGERS OUTSIDE

OF FRAME

3. DON’T TEST BLADE SHARPNESS

WITH FINGERS

3.  A DULL BLADE WILL EASILY CUT 

FINGER

5. REPLACE BLADES THAT ARE

WORN OUT OR ARE IN BAD

CONDITION

*KEEP AT LEAST THREE TEETH IN

CONTACT WITH THE METAL AT ALL

TIMES

*TOO MANY TEETH CAUSE VERY SLOW 

CUTTING. SELECT AS FEW TEETH AS

YOU CAN AND KEEP 3 TEETH IN

CONTACT 

*LESS THAN 3 TEETH CAUSE BLADE

TO GRAB AND BEND OR BREAK 

5roper use hacksaw

/. +e sure safety glasses are

worn.0. 7elect a blade with enough

teeth per inch so that two or

three teeth are in contact with

the etal at all ties.2. 1asten the blade into the

hacksaw frae with the teeth

pointing away fro the handleof the saw. Make sure the blade

is fastened securely so that it

will not twist and break.3. Mark the stock at the point at

which it is to be cut.8. 5lace the stock in the vise, with

the ark about 9 inch fro the

 4aws. 7awing close to the 4aws

of the vice akes the sawing

easier because the piece is held

!rly and does not spring back

and forth:. 5lace the saw on the ark and

then pull it toward you using

little pressure to start the kerf.;. %pply slight pressure on the

forward strokes of the hacksaw,

7/23/2019 Susunan Ppt Hacksaw

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and release the pressure on the

return strokes to insure proper

cutting and to lessen the danger

of breaking the blade of the

saw.

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