Metal Working Tools
Hacksaws are used to cut through pieces of metal. They can only cut
along straight lines.The blade Is replaceable and can be turned to cut
along pieces of metal. Make sure the blade Is tight with teeth facing
Files come in a wide range of sizes and shapes.They can be 150mm - 250mm
long and either “flat”, round, square or half-round, in
The most common file, that is flat is called a HAND file. It has teeth
on both surfaces but only along one edge. The other plain edge is called
the safety edge and can be useful. Files also come in different grades
from smooth to very rough. Do not waste your time and energy by using
the wrong file! Although files are hard, they are not strong. Do not
tap or bang them, as they break very easily.
BALL PEIN HAMMERS
These hammers are used for all general purpose metalwork. The ball end
Is used for rivetting (a way of joining pieces of metal together). Hammers
must NEVER be banged together as it is a very dangerous things to do.
As the hammers are identical, they can break and split and very hot
pieces of metal can fly anywhere!
These are used for straight cuts In light metal work. The frame is sprung-loaded
to keep tension In the blade.
RAWHIDE AND TINMANS MALLETS
These are used for shaping and bending metal. without damaging or bruising
the surface of the work (leaving hammer marks).
ENGINEERS VICE. Used to hold
metal, but should not be done-up too tightly.
COMBINATION PLIERS Used for
holding work and cutting round wire.
Emery Paper is used to clean and finish the surface
A MACHINE VICE is used for holding work securely,
while drilling on a pillar drill.
PiLLAR DRILLS allow accurate holes
to be drilled, with little effort needed. The drill- bit has to be fixed
correctly. along with the work. Guards must be in position and pupils
must wear goggles, white using the
machine. Only one pupil can use the machine; everyone else stands clear.