Design of Rubber Shock-Absorbing Components for Automobile Chassis

Design of Shock Absorbing Car Rubber Mount

The shock absorbing car rubbers mount can be used to effectively connect the shock absorber column of a McPherson type independent suspension and the body of the car. In this state, the main source of vibration is the chassis wheel, and the use of rubber can attenuate the vibration between the wheel and the road surface, thus preventing the vibration from being transmitted to the body through the chassis.

Design of Car Rubber Buffer Block for Automobiles

The buffer block is mainly used for the front and rear suspension systems of automobiles. When driving, the body is the object of shock absorption, and the chassis is the source of vibration. The buffer block is used to cushion the impact between the vibration source and the object of shock absorption. Automobile rubber has strong damping characteristics, which can prevent noise caused by metal contact between the body and the chassis. When designing the buffer block, two points should be considered according to relevant empirical research: first, the maximum volume compression should be controlled within 30%; second, the rubber formula with small permanent deformation should be fully considered to improve its durability.

Design of Car Rubber Sleeve for Automobiles

Automobile rubbers sleeves are an effective connecting component that can attenuate vibration and can be used in the connection of automobile parts. The pull rod, stabilizer bar, control arm, and spring plate in an automobile shock absorption system need to use sleeve design. The sleeve can be divided into three types based on the manufacturing process and characteristics: pure rubber sleeve, internally metal-sleeved rubber sleeve, and internally and externally metal-sleeved rubber sleeve.

The feature of the rubber sleeve is that the material is entirely made of car rubbers, and its structure and manufacturing process are simple, so the cost is low and the price is cheap. It is mainly used for shock absorbers that do not require a long service life, do not bear much force, and have minimal wear.

For many radial forces, when the rubber sleeve hole axis or pin rotates relative to the rubber sleeve, in order to increase the force area and reduce the wear caused by the rotation of the pin shaft on the sleeve, a metal sleeve is embedded in the pure rubber sleeve. During operation, the metal sleeve is connected to the pin shaft. Its strength and rigidity are significantly improved compared to pure rubber sleeves, and its service life is extended. By applying lubricating grease inside the metal sleeve, friction between the pin shaft and the sleeve can be effectively reduced, reducing resistance and prolonging the service life of the sleeve.

When using shock absorbers with higher stress and greater wear, an externally metal-sleeved rubber sleeve is added to the original internally embedded metal sleeve of the automobile rubber. Its strength and rigidity are higher. Due to the protective effect of the internal and external metal sleeves, even if the rubber is subjected to a large impact force, it is not easily damaged, improving safety performance. This type of sleeve is used in engine suspension and semi-independent rear suspension of some cars.