Front and rear door hinges introduce

Also known as door hinge, it is used for opening and closing doors. Hinges, also known as hinges, are mechanical devices used to connect two solids and allow relative rotation between them. Hinges can be composed of movable components or foldable materials. The main feature is to provide cushioning when the cabinet or door is closed, minimizing the noise generated by collisions with other parts when the door is closed. Car hinges are generally used in car doors and engine hood, And the trunk lid, fuel tank lid hinge, etc. In order to connect the car door to the body, the hinge is responsible for connecting the car door to the body, ensuring the opening and closing of the car door, and allowing the car door to open and close, so there is a door hinge. Its main function is to connect the car body to the car door. Generally, The door hinge should consist of at least three parts. 1. Body parts connected to the vehicle body. 2. Door parts connected to the door. 3. Other parts that connect the body parts and door parts and ensure that the door hinge can make opening and closing movements)

The installation of car doors requires the following processes:

The installation of car doors requires the following steps: 1. First, prepare the new car door that needs to be replaced and installed. Place the new car door on a paper shell to avoid scratching the new door, and prepare the necessary tools for installation, including a large wheel, a small wheel, a No. 13 sleeve, a No. 6 sleeve, and a small hammer. Then, start the operation process. 2. Install the door hinges, where a large wheel is required, Cooperate with sleeve 13. Take out the door hinge, fix the screws of the door hinge, and then make a rough comparison by hand to check whether the hole of the hinge is the same size as the screw hole of the door, and whether the screw can be screwed in exactly. Do a good job of inspection. 3. After comparing the hinge by hand, take out the large wheel and match it with sleeve 13. Gently tighten the screws that fix the hinge to the door by hand, and then use tools to tighten it. If you use tools to tighten it directly, It is easy to break the screws, which results in the entire car door being scrapped. Therefore, when tightening, be careful and slow. Pay attention to the extended part of the hinge head facing downwards, as it needs to be inserted into the card slot of the car body hinge. 4. Lift the door with the installed hinge by hand and lift it to the installation position of the car body door. There are two hinge holes on the installation position of the car body door, and the extended part of the hinge head on the new car door should be aligned up and down, Insert it into the two hinge holes on the car body. Be sure to take it slow and align the upper and lower holes before inserting it to avoid scratching the paint surface on the car body. 5. The extended part of the inserted hinge may get stuck halfway through the holes, which is a common problem, but it is also easy to solve. Take out the hammer and smash the hinge on the car door twice with the hammer, and the extended part will enter the car body hole. 6. Next, remove the screw that fixes the car body hinge, There is a screw hole in the middle part of the body hinge hole, which is used to fix the body hinge and door hinge. First, gently screw in a part by hand to avoid damaging the screw directly with tools. The screw on the door should be fixed with extra care. 7. Take out the small wheel, long extension rod, and No. 6 sleeve, and tighten the screw that has been screwed in by hand with tools. There are a total of two screws, up and down, which are also completed according to the above procedure. It should be noted that:, Be sure to steadily and tentatively tighten the screws bit by bit in order to complete the task smoothly

Audi R8 introduce

The Audi R8 is a mid engine two seater supercar with a top speed of 316km/h, launched by German automaker Audi in 2006. The Audi R8 is Audi's first mid engine supercar in mass production, based on the Lamborghini Gallardo development platform and integrating Audi's experience of winning in multiple sports events, The technology and perfect design that breaks through traditional concepts, powerful V8 or V10 engines, full-time four-wheel drive system, and Audi's all aluminum body space frame structure endow the Audi R8 with outstanding power performance and outstanding performance on the track and road. The Audi R8 was ordered on September 28, 2006, and the first batch of products were delivered in the first half of 2007. As Audi's first mid engine sports model, The Audi R8 combines Audi's experience of winning countless automotive sports events, breaking through traditional design and leading technology perfectly, and making Audi's brand concept of "breaking through technology and inspiring the future" the best annotation of its outstanding performance on the track and road