The document discusses torsion bars, which are a type of suspension system used in automobiles. A torsion bar suspension system uses metal bars that act as springs. One end of the bar is fixed to the vehicle chassis while the other end is attached to the axle or suspension arm. As the vehicle moves, forces cause the bar to twist, and the bar's resistance to twisting provides suspension. Torsion bars offer advantages like a soft ride, long durability, and easy adjustability of vehicle height. They are commonly used in trucks, SUVs, and military vehicles.
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البرامج الدراسية المتاحة للمنحة هي
1️⃣ بكالوريوس الادارة الاستراتيجية
2️⃣ كالوريوس ادارة المصارف الاسلامية
3️⃣ بكالوريوس الاذاعة و التلفاز
4️⃣ بكالوريوس تصميم أزياء
5️⃣ بكالوريوس تربية – منهج منتسوري
6️⃣ بكالوريوس الإدارة الصحية
7️⃣ بكالوريوس علم الفلسفة
8️⃣ بكالوريوس علم الاجتماع
9️⃣ بكالوريوس علاقات عامة
10 بكالوريوس في الخدمات اللوجستية والإمداد
Ever been troubled by the blinking sign and didn’t know what to do?
Here’s a handy guide to dashboard symbols so that you’ll never be confused again!
Save them for later and save the trouble!
[ Video ]
منحة جزئية تصل الى 60%
رابط التسجيل: https://tinyurl.com/36p25tpt
🎓 📞للتواصل و الإستفسار:
📌 الأستاذ عمر عطية http://wa.link/99sy7u
البرامج الدراسية المتاحة للمنحة هي
1️⃣ بكالوريوس الادارة الاستراتيجية
2️⃣ كالوريوس ادارة المصارف الاسلامية
3️⃣ بكالوريوس الاذاعة و التلفاز
4️⃣ بكالوريوس تصميم أزياء
5️⃣ بكالوريوس تربية – منهج منتسوري
6️⃣ بكالوريوس الإدارة الصحية
7️⃣ بكالوريوس علم الفلسفة
8️⃣ بكالوريوس علم الاجتماع
9️⃣ بكالوريوس علاقات عامة
10 بكالوريوس في الخدمات اللوجستية والإمداد
Ever been troubled by the blinking sign and didn’t know what to do?
Here’s a handy guide to dashboard symbols so that you’ll never be confused again!
Save them for later and save the trouble!
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𝘼𝙣𝙩𝙞𝙦𝙪𝙚 𝙋𝙡𝙖𝙨𝙩𝙞𝙘 𝙏𝙧𝙖𝙙𝙚𝙧𝙨 𝙞𝙨 𝙫𝙚𝙧𝙮 𝙛𝙖𝙢𝙤𝙪𝙨 𝙛𝙤𝙧 𝙢𝙖𝙣𝙪𝙛𝙖𝙘𝙩𝙪𝙧𝙞𝙣𝙜 𝙩𝙝𝙚𝙞𝙧 𝙥𝙧𝙤𝙙𝙪𝙘𝙩𝙨. 𝙒𝙚 𝙝𝙖𝙫𝙚 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙥𝙡𝙖𝙨𝙩𝙞𝙘 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙪𝙨𝙚𝙙 𝙞𝙣 𝙖𝙪𝙩𝙤𝙢𝙤𝙩𝙞𝙫𝙚 𝙖𝙣𝙙 𝙖𝙪𝙩𝙤 𝙥𝙖𝙧𝙩𝙨 𝙖𝙣𝙙 𝙖𝙡𝙡 𝙩𝙝𝙚 𝙛𝙖𝙢𝙤𝙪𝙨 𝙘𝙤𝙢𝙥𝙖𝙣𝙞𝙚𝙨 𝙗𝙪𝙮 𝙩𝙝𝙚 𝙜𝙧𝙖𝙣𝙪𝙡𝙚𝙨 𝙛𝙧𝙤𝙢 𝙪𝙨.
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2. suspension system is a mechanical system
of springs or shock absorbers connecting
the wheels and axles to the chassis of a
wheeled vehicle.
Control Arm
Steering knuckle
Ball joints
Springs
Shock absorber
Suspension:
Basic parts of suspension
3. Types of suspensions:
• Leaf springs
• Coil springs
• Torsion bars
• Air springs.
Purpose of suspension in car:
• Supports the weight
• Provides a smooth drive
• Keeps tires in firm contact with the
road
• It isolates the passengers and
cargo from vibration and shock
4. A torsion bar is a type of suspension system in an
automobile is usually used in vehicles such as
cars, trucks and vans. A torsion bar suspension
system is a significant and acute element of a
vehicle’s design
They keep the tires in contact
with the surface of the road,
upkeep the weight of a vehicle
and absorb the forces produced
by the movement and motion
of the vehicle.
Introduction : Torsion bar suspension
5. Torsion bar suspensions are basically metal
bars that perform the role of a spring. At one
end, the bar is fixed rigidly in place to the
chassis of a vehicle. The last end of the bar
may be fastened to the axle, suspension arm,
or a spindle, depending on the vehicle’s
design. For instance a vehicle travels alongside
the road, the forces made by the motion of
the vehicle produce torque on the bar, which
turns it along its axis.
Construction:
6. Counteracting the torque is the fact that the
torsion bar obviously wants to resist the twisting
effect and return to its normal state. By doing so,
the suspension supplies a level of resistance to the
forces generated by the movement of the vehicle.
This resistance is the basic principle behind a
torsion bar suspension system.
Cont....
7. The working principle of a torsion bar is a
shaft under torsion stresses. There is no other
kind of force being applied and material is
working up to the elastic limit.Torsion bars use
the twisting properties of a steel bar to offer
coil-spring-like functions. One end of a bar is
fixed rigidly to the vehicle frame. The further
end is fastened to a wishbone, which acts like
a lever that travels perpendicular to the
torsion bar.
Working:
8. When the wheel hits at a stone or projections,
vertical motion is shifted to the wishbone and
then, through the levering act, to the torsion bar.
The torsion bar then twists sideways its axis to
offer the spring force.
The torsion bar is basically a length of metal rod
anchored at one end to the car body and at the
other end to the suspension lower link. As the
wheel passes over a bump the bar twists. It
returns to its original position when the bump is
passed and restores the car to its normal drive
height.
9. Adjust the torsion bar. Turning the adjustment
bolt clockwise will tighten it, raising the
amount of load that can be placed on the bar.
This will raise the vehicle when it is taken off
the jack stand. Turning it counterclockwise will
lower the available spring rate and cause the
car to sit lower.
10. Features of Torsion bar suspension
Some vehicles use torsion bars to provide
automatic levelling, using a motor to pre-stress
the bars to provide greater resistance to load
and, in some cases to respond to changes in
road conditions.
When adjusted, the torsion bar beneath
your vehicle raises and lowers your front
tires. While you can adjust this bar to create
a large wheel gap between your tire and
fender, you can also lower the height of
your car. Before making any changes to your
vehicle, measure the wheel gap on both
sides of your car or truck.
11. Torsion bars of typically constructed from steel
or rubber. They are often used for heavy-duty
applications, such as the suspension of trucks
and tanks. Torsion bar suspension is extremely
durable because of its mechanical simplicity. It
is also compact and allows for easy
adjustments
12. Torsion bar suspensions are used on combat
vehicles and tanks like the T-72, Leopard 1,
Leopard 2, M26 Pershing, M18 Hellcat and on
modern trucks and SUVs from Ford, Chrysler,
GM, Mitsubishi, Mazda, Nissan, Isuzu, LuAZ,
and Toyota.
Application
Drive shaft
Lower and Upper shoulder
Shock absorber
Anti-roll bar
Front differential
Subframe.
ey components of torsion bar suspension
13. Soft ride due to elasticity of the bar
Long Durability
Easy adjustability of ride height and small
profile along the width of the vehicle
It takes up less of the vehicle's interior
volume than coil springs.
It can be produced quickly and at a minimal
cost
They're easy to maintain
Their parts can be easily replaced
Restores the car to its normal drive height.
Advantages:
14. Disadvantages:
It Do not offer progressive spring rate.
The coils of the spring are spaced at
dissimilar distances from each other
In most torsion bar systems, ride height
may be changed by simply adjusting bolts
that connect the torsion bars to the
steering knuckles.
When the torsion bars are set to maximum
height, the truck's ride tends to turn horribly
harsh