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Application Technology of Plain Bearings in Automobile Industry


Due to the superior self-lubricating properties of plain bearings, they have been fully reflected in the automotive industry; at present, plain bearings are applied to almost every automobile manufacturer in the world; especially the application of polymer plastic plain bearings in automobiles has become increasingly widespread. It can be used in all parts of the car: from the simple hinge system of the car door to the complex and demanding components of the mechanical structure, such as the steering gear in the steering system of the car to the gear shift in the transmission system. In addition to the advantages of excellent mechanical properties and lubrication-free, dry running, the price of engineering plastic plain bearings is also extremely low.


THB Bearings is one of the mose professional plain bearings suppliers in China. We not only provide high-precision plain bearings, but also custom plain bearing application solutions according to our customers' requirements. Now, let THB Bearings tell you the applications of plain bearings in automobile industry.


1. Application of plain bearings in automotive door hinge systems


Due to the use of reinforced series plastic plain bearings in the car door hinge system, the phenomenon of increased pulling force or noise caused by metal plain shaft bearings due to rust is overcome, and there is no momentary jamming when opening and closing the car door or trunk lid.


2. Application of plain bearing in automobile shock absorption system


The plain bearing used in the automobile shock absorption system is very strict in terms of wear resistance, impact resistance and matching accuracy; if the wear resistance of the plain shaft bearing is poor, the wear of the outer sealing ring will be aggravated and the sealing ring will fail. As a result, the hydraulic oil leaks and the shock absorption function fails; the composite bearing has completely accepted the challenge of such harsh conditions and has been successfully used in various automobile shock absorbers.


3. Application of plain bearing in automobile steering system


Due to the use of support sleeves in the steering system of the car, the steering wheel runs relatively smoothly during the entire steering process, and the normal operation of the steering system can be ensured even in the case of poor road conditions. Excellent wear resistance and shock absorption have been proven in automotive steering systems.


4. Application of plain bearing in automobile braking system


The application of high-performance polymer plastic plain bearings in the automobile braking system makes the driver more stable in the braking process, and can achieve fast and stable braking even in emergency situations; whether the car is steering smoothly or in Effective braking is also ensured in the event of a sharp turn; the material's high hardness and wear resistance allow for an exceptionally long service life, thanks to high-performance lubricants and functional fibers incorporated into the material.


5. Application of plain bearing in car seat adjustment system


Due to the sheet metal materials or punched holes used in automotive seating systems, as well as cold rolled steel sheets generally have large dimensional tolerances, however, small clearances are required in seating systems to minimize noise. In order to solve this contradiction, the series of engineering plastic plain bearings produced and provided by manufacturers are now more and more used.


6. Application of plain bearing in automobile transmission system


The automobile gear shifting system not only requires to ensure that the gear is successfully achieved during the shifting process using the joystick, but also requires the shifting process to be relatively smooth and comfortable. A series of engineering plastic plain journal bearings are used in this system due to their excellent wear resistance and impact resistance.