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The car body is placed in specific groups and categories, based on dimensions, number of doors, seats, roof shape. These groupings and categories are called car classification. But the generality of this body in any class has a fixed columnarization and form. In this way, in the car building, the roof is usually supported by columns on both sides of the body. Even the movable roofs are supported by the pillars on both sides of the windshield. The glass parts of the body, which are designed to increase visibility, are fixed in all types of car bodies. But the design form of these parts is different in different cars for aesthetic reasons.
Raw materials used in the manufacture of car body parts
1. Steel
The main material that is used in all companies to make the body of all kinds of cars is steel. The reason for that is the low price and the possibility of reducing the total cost of production, simple and convenient access due to the abundance of steel in all parts of the world, and the easier progress of the production process. Of course, to improve the forming ability, steel alloys with different elements are used so that it does not wrinkle or tear under severe forming pressures and has good forming. It should be added that galvanized steel with protective zinc coating and stainless steel are used for parts that are more exposed to erosion.
2. Aluminum and glass fibers
1. Polyester, polyamin, polypropylene
1. Plastic
A large amount of plastic is also used in different parts of the car body. The amount and quality of this plastic is different in economic and non-economic cars. Plastic tools and parts are generally less expensive and the time needed to make them is less than steel parts, so designers can change them at a lower cost. To make car bodies, it is possible to use all the raw materials we mentioned or only some of them. They are used. An important point is that the price and class of cars has a great influence on the type of material of their body.
The most important parts of the car body
1. Car snowman
A car wiper is a mechanical part that is responsible for keeping the windshield and sometimes the back of the car clean, especially on snowy and rainy days. This piece was completely mechanical in the past and was controlled from inside the cabin, but today it is completely electric and a power source from the hood controls it. Of course, its more modern types are also equipped with rain sensors in advanced cars. In addition to the mentioned parts, these wipers are also equipped with an optical rain detection sensor.
2. Mirror of the car
The side mirror is another part of the car body that all cars are equipped with. This piece helps to increase the driver's field of vision and increase driving accuracy. The side mirror in the old models was completely mechanical and was finally adjusted by hand. But these days, this part works with the help of the car's electricity, and options such as LED lights and sensors have been added to it.
1. Car shield and side parts
The car bumper is considered to be one of the exterior parts of the car, just like the doors. The main function of the bumper is to neutralize the blows to the car and plays an important role in its safety. The shield and its side parts are made of metal alloy, carbon fiber and plastic. The purpose of this work is to reduce the weight of the shield and increase its resistance. The forehead or shell, transverse beam and bumper are the main components of this piece.
1. In front
The windshield is another part of the exterior of the car that is placed on top of the bumper. The main function of the car grille is to transfer air to the radiator and help cool its water. In addition to the radiator, this part also helps to keep the car's engine parts cool and allow air to pass through it. Of course, you can't easily pass the view that the front grille gives to the car. This part is usually made of metal or resistant plastics.
1. Ceiling, doors and hoods
The first thing that attracts attention when facing a car is its body parts. Car door, bumper and hood, in addition to protecting the car and its passengers, play an important role in the appearance and beauty of the car. The roof, doors and hood are important components of the exterior of the car and are actually something similar to its cover. In addition to security, these components are also responsible for maintaining the appearance of the car, and the efforts of car manufacturers are always to increase their resistance and impact as much as possible by manufacturing and designing resistant alloys such as steel and steel.
1. Lights
The car body is equipped with various lights. Usually, there are several lights on every car, such as front, rear, guide, brake, etc. lights. The task of car lights, in addition to increasing road illumination and improving drivers' visibility, is to announce danger and show the situation of the driver in front.
1. Tray under the engine
The tray under the engine is actually responsible for protecting the car engine and all the components inside the hood. This part is installed exactly under the hood and is considered as its bottom cover. This part is a powerful barrier against mud, water, extreme cold and wear and prevents them from entering the engine. Usually, the tray under the engine is made of a resistant alloy so that it does not corrode or rust.
