Recirculating-ball steering uses a worm gear with ball bearings that reduce friction and slop. Power steering provides assist by supplying higher pressure fluid to one side of the recirculating-ball gear block. A rotary vane pump driven by the engine provides hydraulic fluid pressure, with a relief valve preventing excess pressure. A rotary valve senses torque on the steering wheel via a torsion bar, directing fluid only when assistance is needed during a turn.
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A differential is a device capable of transmitting torque and rotation through three shafts, almost always used in one of two ways.
Rear axle drives are the drives which employed for the rear axle the spring take the weight of the body.
This is mechanical engineering presentation on power steering system. In this presentation i describe basics of power steering and their history. I hope it will help you for your engineering and you can understand better about mechanical engineering.
Differential and Rear Axle Drives, by Jeevan B MJeevan B M
A differential is a device capable of transmitting torque and rotation through three shafts, almost always used in one of two ways.
Rear axle drives are the drives which employed for the rear axle the spring take the weight of the body.
This is mechanical engineering presentation on power steering system. In this presentation i describe basics of power steering and their history. I hope it will help you for your engineering and you can understand better about mechanical engineering.
ЕкоМапа - безкоштовний мобільний додаток, який знаходить найближчий пункт утилізації батарейок, люмінісцентних ламп і термометрів та інших видів вторсировини (пластик, склобій тощо). Також додаток дозволяє додавати нові точки утилізації вторсировини. Таким чином користувачі разом створюють глобальну карту точок збору вторсировини.
Tarek Sadaka
IE Application
October 2015 Admissions
Express Yourself: Question J
How do you imagine social interaction within 10 years, taking into consideration the impact of technology on human relations?
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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.
Over the 10 years, we have gained a strong foothold in the market due to our range's high quality, competitive prices, and time-lined delivery schedules.
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Comprehensive program for Agricultural Finance, the Automotive Sector, and Empowerment . We will define the full scope and provide a detailed two-week plan for identifying strategic partners in each area within Limpopo, including target areas.:
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• Scope: Provide support solutions to enhance agricultural productivity and sustainability.
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• Scope: Develop collaborations with automotive service providers to improve service quality and business operations.
• Target Areas: Polokwane, Lephalale, Mokopane, Phalaborwa, and Bela-Bela.
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• Scope: Provide business support support and training to women-owned businesses, promoting economic inclusion.
• Target Areas: Polokwane, Thohoyandou, Musina, Burgersfort, and Louis Trichardt.
We will also prioritize Industrial Economic Zone areas and their priorities.
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To be eligible:
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3. Sectors : Agriculture ( primary and secondary) and Automative
Women and Youth are encouraged to apply even if you don't fall in those sectors.
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5. •Instead of the bolt directly engaging the threads
in the block, all of the threads are filled with
ball bearings that recirculate through the gear as
it turns. The balls actually serve two purposes:
First, they reduce friction and wear in the gear;
second, they reduce slop in the gear. Slop
would be felt when you change the direction of
the steering wheel -- without the balls in the
steering gear, the teeth would come out of
contact with each other for a moment, making
the steering wheel feel loose.
6.
7. Power steering in a recirculating
ball system
• Power steering in a recirculating-ball
system works similarly to a rack-and-
pinion system. Assist is provided by
supplying higher-pressure fluid to one side
of the block.
8. • There are a couple of key
components in power steering in
addition to the rack-and-pinion or
recirculating-ball mechanism.
9. Pump
• The hydraulic power for the steering is provided by
a rotary-vane pump (see diagram below). This pump is
driven by the car's engine via a belt and pulley. It
contains a set of retractable vanes that spin inside an
oval chamber.
• As the vanes spin, they pull hydraulic fluid from the
return line at low pressure and force it into the outlet at
high pressure. The amount of flow provided by the pump
depends on the car's engine speed. The pump must be
designed to provide adequate flow when the engine is
idling. As a result, the pump moves much more fluid than
necessary when the engine is running at faster speeds.
• The pump contains a pressure-relief valve to make sure
that the pressure does not get too high, especially at
high engine speeds when so much fluid is being
pumped.
10. Rotary Valve
• A power-steering system should assist the driver
only when he is exerting force on the steering wheel
(such as when starting a turn). When the driver is
not exerting force (such as when driving in a straight
line), the system shouldn't provide any assist. The
device that senses the force on the steering wheel is
called the rotary valve.
• The key to the rotary valve is a torsion bar. The
torsion bar is a thin rod of metal that twists when
torque is applied to it. The top of the bar is
connected to the steering wheel, and the bottom of
the bar is connected to the pinion or worm gear
(which turns the wheels), so the amount of torque in
the torsion bar is equal to the amount of torque the
driver is using to turn the wheels. The more torque
the driver uses to turn the wheels, the more the bar
twists.