199014320503 Sinotruk STEYR HOWO Truck Spare Parts Differential
Assembly Detailed Photos Number of Teeth of Half Shaft
GearExternal Teeth: 18 TeethInternal Teeth: 26 TeethApplicable
Speed Ratio4.42; 4.8; 3.93Product advantages & features(1) Mating
parts with stable and reliable quality.(2) Assemble the
Differential Assembly through the assembly line, and inspect each
product on delivery.(3) Uniform coding and clear drawing number
identification to improve the trace ability of differential
assembly.(4) The unified brand carton, inner bag and integral foam
packaging, which is strong and beautiful.(5) The input shaft is
made of 42Crmo material, which has higher toughness and higher
fatigue resistance.(6) The original gasket 20# plate used for the
differential assembly is subject to soft nitriding treatment, with
a hardened layer depth of 0.15 ~ 0.3 and a hardness of HV395-535.
The differential planetary gasket has a full radian, which has
stronger wear resistance.(7) The composite material copper sleeve
protects the gear and cross shaft more effectively, and effectively
prevents the gear from burning.(8) The original nut is used, and
the thread has stronger hardness. Anaerobic thread-locking adhesive
is applied to prevent the nut from falling off.(9) The differential
cross shaft adopts 22CrMnMo mechanical strength, which better
strengthens the fatigue resistance of the cross shaft, and the
plane structure of the shaft body makes the lubricating oil
smoother.Factory Show Brand CulturePackaging & ShippingWorking
PrincipleWorking principle of interaxle differential assembly1.
When turning, due to the sliding drag of the outer wheel and the
sliding rotation of the inner wheel, the two driving wheels will
produce additional forces in opposite directions, resulting in
different speeds of the wheels on both sides, which destroys the
balance relationship between the three, and is reflected on the
half shaft gear through the half shaft, forcing the planetary gear
to rotate and slowing down the speed of the inner half shaft, The
speed of the outer half axle is accelerated, so as to realize the
difference of wheel speed on both sides. If the drive wheels on
both sides of the drive axle are rigidly connected with a whole
shaft, the two wheels can only rotate at the same angle. In this
way, when the vehicle turns to travel, because the outer wheel
moves a larger distance than the inner wheel, the outer wheel will
slip while rolling, while the inner wheel will slip while rolling.
Even if the vehicle runs in a straight line, it will cause wheel
sliding due to uneven road surface or unequal tire rolling radius
(tire manufacturing error, different wear, uneven load or unequal
air pressure), which will not only aggravate tire wear, increase
power and fuel consumption, but also make the vehicle difficult to
turn and poor braking performance. In order to prevent the wheel
from sliding as much as possible, the structure must ensure that
each wheel can rotate at different angles.2. When the vehicle goes
straight, the resistance of the left and right wheels is equal. The
planetary gears in the differential housing only revolve with the
housing rather than rotate.3. When the vehicle turns, the inner
wheel will produce greater resistance. Different forces on the half
shafts on both sides will make the middle planetary gear rotate,
and there will be speed difference between the half shafts on both
sides. The outside wheel turns faster than the inside wheel, so
that the vehicle can turn smoothly. Composition structure of
differential assembly1.The automobile differential assembly can
make the left and right (or front and rear) drive wheels rotate at
different speeds. It is mainly composed of left and right half
shaft gears, two planetary gears and gear carrier. Ordinary
differential assembly is composed of planetary gear, planetary
carrier (differential housing), half shaft gear and other parts.2.
The power of the engine enters the differential mechanism through
the transmission shaft, directly drives the planetary gear carrier,
and then the planetary gear drives the left and right half shafts
to drive the left and right wheels respectively. The design
requirements of differential mechanism meet: (left half shaft
speed) + (right half shaft speed) = 2 (planet carrier speed). When
the car goes straight, the speeds of the left and right wheels and
the planetary carrier are equal and in a balanced state. When the
car turns, the balance state of the three is destroyed, resulting
in the decrease of the speed of the inner wheel and the increase of
the speed of the outer wheel.The function of differential
assembly1.Differential assembly is a differential transmission
mechanism, which is used to distribute torque between the two
output shafts and ensure that the two output shafts may rotate at
different angular speeds. It is used to ensure the power
transmission of each driving wheel under various motion conditions
and avoid slipping between th
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