جهاز تحويل الحركة الدورانية الأفقية إلى رأسية متعامدة عليها
Differential
Operation
If
both drive shafts are travelling at the same speed the bevel pinions will not
be turning on their axes. The bevel pinions will simply rotate with the bevel
gears. This can be best explained by imagining the bevel gears an bevel pinons have
been welded together
If
one half shaft is stopped the bevel pinions will start turning on their axes
and begin orbiting around the stationary bevel gear at the same time providing
drive out through the other half shaft.
Although
necessary for cornering differentials have a major drawback within agricultural
applications in that should one wheel begin to spin freely then the remaining
drive wheel will stop rotating (as shown above) and the vehicle becomes
stationary. For this reason it is
necessary to have a differential that limits the amount of wheel slip. Such
differentials are referred to as limited slip differentials.
An
alternative solution commonly found within agricultural machines is to
introduce a locking mechanism that will lock the complete differential
wait part 2
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