Mechanical Engineering

tubeless vs tube tyres

In passenger cars, the tubeless tyre has almost completely ousted the tubed tyre. The main reasons are that the tubeless vs tube tyres is:  easier and faster to fit the inner lining is able to self-seal small incisions in the tyre. In tubeless tyres the inner lining performs the function of the tube, i.e. …

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radial ply tyres

The radial ply tyres consists of two bead cores joined together radially via the carcass – hence the name radial tyres. A belt of cords provides the necessary stiffness , whereas the external part of the tyre consists of the tread and sidewall and the interior of the inner lining, which ensures the tyre is …

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tyre designs

In industrialized countries, cross-ply tyres are no longer used on passenger cars, either as original tyres or as replacement tyre designs , unlike areas with very poor roads where the less vulnerable sidewall has certain advantages. The same is true of commercial vehicles and vehicles that tow trailers, and here too radial tyres have swept …

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tyre requirements

The tyres are crucial functional elements for the transmission of longitudinal, lateral and vertical forces between the vehicle and road. The tyre properties should be as constant as possible and hence predictable by the driver. As well as their static and dynamic force transmission properties, the tyre requirements described below – depending on the intended …

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what is a steering column

In accordance with the German standard DIN 70 023 ‘nomenclature of vehicle components’, the steering column consists of the jacket tube (also known as the outer tube or protective sleeve), which is fixed to the body, and the steering shaft, also called the steering tube. This is only mounted in bearings at the top and …

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electric power steering system

The bypass of the hydraulic circuit and direct steering boost with the aid of an electric motor (electric power steering system ) has additional advantages in terms of weight and engine bay space compared with electro-hydraulic steering, because of the omission of all the hydraulic components. Other advantages are obtained through more variations of the …

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hydraulic power steering system

Hydraulic power steering system is still the most widely used. The method of using oil under pressure to boost the servo is sophisticated and advantageous in terms of cost, space and weight. Sensitivity to movementscaused by the road surface and hence the effect of torsional impacts and torsional vibrations passing into the steering wheel is …

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power steering systems

Power steering systems have become more and more widely used in the last few years, due to the increasing front axle loads of vehicles on the one hand and the trend towards vehicles with more agile steering propertiesand hence direct transmission steering systems on the other. With the exception of some members of the ‘sub-compact’ …

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rack and pinion steering

rack and pinion steering gear with a shift movement is used not only on small and medium-sized passenger cars, but also on heavier and faster vehicles, such as the Audi A8 and Mercedes E and S Class, plus almost all new light van designs with independent front wheel suspension. The advantages over manual recirculating ball …

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steering system

On passenger cars, the driver must select the steering wheel system angle to keep deviation from the desired course low. However, there is no definite functional relationship between the turning angle of the steering wheel made by the driver and the change in driving direction, because the correlation of the following is not linear:  …

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