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What is monocoque chassis steering?

1

what’s the use?

frame, body as a unitary structure, light weight, relatively fuel-efficient, most of today’s civilian models are used this structure.

2

advantages

* lower center of gravity, high speed smooth ride.

· lightweight, non-load-type body relative to a vehicle fuel.

3

You know what?

· body rigidity and load capacity is relatively weak, so professional off-road vehicles and freight vehicles, which do not adopt this structure.

· now monocoque by using different strength of steel, the safety of personnel by the vehicle absorbing the crush collision, etc., as compared with the non-bearing body, the security is not bad.

4

Technology Principle

A load bearing body is a structure for the entire body. There are two major components, body panels and the body structure.

is a vehicle body cover covering the body surface of the member, and mainly play a decorative role of shielding, e.g. roof, fenders, hood and the like. The surface of the steel sheet less affected by the strength of the vehicle body.

In the body structure to hide the cover, and mainly play a supporting role in shock, distributed throughout the body structural member is a steel girder . Plate thickness and material specifications higher than the body panel, and some steel tube into a closed sectional structure, these steel beam welded together steels of different strength in order to form effective energy absorbing zone, can absorb the impact energy upon collision. Some steel beam cross-sectional structure is not necessarily, designed to withstand the forces of different shapes in a particular direction.

integrated ladder frame chassis than the already greatly reduced in weight, and as more severe energy crisis and increasingly stringent emissions vehicle weight has been most concerned about the designer one of the problems, it is also growing integration of the chassis light weight in the frame while the lower and lower, but continues to increase its rigidity. Thanks to this aspect of the design of the frame structure more reasonable, on the other hand also because application of high strength steel. With a steel material, there is the strength of high and low points, the same steel, but the carbon-containing component, or composition of the alloy manufacture, heat treatment is not the same, which carries the load will be a great difference in intensity. For example the strength low alloy steel (Medium-strength low-alloy steel MSLA) was added during melting phosphorus and manganese alloy component, often used as a shell of the vehicle body; and HSLA (High-strength low-alloy steel HSLA) the incorporation of rare metal titanium and niobium, can be up to twice the strength of HSLA steel, Further, different processing methods can also cause variations in the intensity of the steel occurs during the molding process, such as a high pressure press steel is superior in high strength by weight should extruder pressed steel.

5

Further reading

for Integral electric bus

2012 March 20, Linyi Yixing Electric buses to join the Qingdao bus team. The new public transport buses lighter than the average 2 tons, is the lightest Castle bus. It’s also a leading anti-impact ability, is one of the safest buses.

The new all-electric buses bearing aluminum alloy body, the use of lightweight vehicle technology. Full monocoque technique is aptly called “cage structure”, the same frame as the frame of the aircraft, with a full circle surrounded by aluminum-magnesium article, and then re-installed on the outside the whole housing.

In a conventional passenger car chassis on shock will shift, but no full-bearing chassis structure of the bus so that when a force is a force capable of rapid decomposition throughout the body, which is an anti-torsional strength steel facilities is 3-6 times that of other ordinary cars, is seen as one of the country’s most secure bus. In the absence of traditional chassis frame structure, warm bus pure electric bus body lighter chassis to see much lower than other vehicles, it is easier on the passengers to get off. The same degree of product body can be done to maximize the clear height of the car, the window to maximize the field of view, effectively increasing the outer flow space and visual space vehicle interior.

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