[China Glass Network] The development of modern car exterior is closely related to the development of glass technology. As early as 40 years ago, the front windshield of the car had adopted a one-piece curved windshield and gradually abandoned the flat windshield.
Today's car windshield is generally made into a large curved surface of the overall shape, with a certain degree of curvature from top to bottom. This curved glass is a highly technical product, both in terms of machining process and assembly, because it involves many problems such as vehicle type, strength, heat insulation and assembly. The car windshield uses curved glass, starting from the aerodynamic point of view.
Because modern cars have a normal speed of more than 100 kilometers, the oncoming airflow through the curved glass can reduce eddy currents and turbulence, thus reducing air resistance. In addition, the edge of the window frame and the surface of the vehicle body smoothly transition, and the glass and the body are integrated into one body, which visually senses the overall coordination and beauty, and can reduce the drag coefficient of the whole vehicle. In addition, the curved glass has a high strength, and a thin glass can be used, which has a certain significance for the weight of the car.
Now the curved windshield of the car needs to have a high flatness at the corner of the bend, and no optical distortion can occur. The object outside is not deformed or dazzled from any angle on the driver's seat. In the past, car glass was usually decorated or protected along the edge of the glass with neat strips. Now the glass on the car is made of ceramic glaze, the so-called "black border". Many car windshields are also coated, using a reflective coating process or improving the composition of the glass, allowing only visible light from the sun to enter the compartment, blocking ultraviolet and infrared rays, greatly reducing the suffering of the occupants. This modern car glass called "green glass" has been widely used. The well-known domestic automotive energy-saving glass is famous for its Fuyao Glass and Zhuhai Huashang's energy-saving automotive glass, which has become the benchmark for behavior.
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