MATERIAL OF COMPONENTS
GEARS
The gears are made up of a thermosetting plastic.This
material has its advantages that it is lightweight , and has a high stiffness
which are the essential requirements for this usage.Besides for such an
accuracy ,it is very cheap as compared to other gear materials like steel
etc.
TORSIONAL SPRING
The torsional spring is spiral in nature , and is made
up of spring steel.this material is quite stiff for the present usage.
REAR WHEEL SHAFT
The shaft is made up of mild steel and is about 2mm
in diameter.The material has its advantage over other probable elements
that it does not buckle or twist at this diameter.
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