Aply to :SAIC MAXUS G10 1.9T
The steering rack, also known as the rack-and-pinion gear, converts the circular motion of the steering wheel into linear motion that steers the wheels. The oil seal, usually made from durable materials like rubber or polyurethane, is strategically placed to guard the interface between the steering rack and the gear box. Its primary function is to maintain the integrity of the hydraulic system by sealing in the high-pressure steering fluid, preventing it from escaping and contaminating other parts of the car.Today, traditional oil seals have to compete with a new variant oil seal, which is used in most modern engines.
4. Tighten the spark plug caps using the correct torque wrench.VMQ, also known as silicone, is also used for oil seals, but this is less common because the mechanical strength of VMQ is low and this material has poor wear-resistance This makes it less suitable for dynamic applications, but it can withstand fairly low and high temperatures from -60 °C to 200 °C. Many types of VMQ are also suitable for contact with pharmaceutical and food products, so VMQ is an option worth considering. VMQ oil seals are usually available on request.
The seal shown in Fig. 14.2 is a relatively simple design; most automotive seals are more complex. Dust lips are often used to keep outside contaminants away from the oil lip seals; such seals thus have undercuts that make demolding more difficult. Fluoroelastomer compounds used for such undercut shapes must have reasonably high elongation at break at molding temperatures to avoid tearing the part during demolding. The metal insert is often U-shaped, and stock may be molded to form a thin layer over the outside of the insert. Since both compression and injection molding methods are used, suppliers of fluoroelastomers for shaft-seal applications often must provide different versions of the same polymer composition-medium to high viscosity for compression molding, and low to medium viscosity for injection molding. Different precompounds may be necessary to accommodate relatively long compression-molding times at low temperature and very short injection-molding times at high temperature.
Lip seal gaskets are used in a wide range of applications due to their versatility and effectiveness. They can be found in automotive, aerospace, marine, and industrial machinery, as well as in household appliances and recreational vehicles. Some specific examples include sealing doors, windows, and hatches on boats and RVs, preventing water ingress in HVAC systems, and ensuring the proper functioning of hydraulic and pneumatic cylinders.Floating oil seals are essential components used in various industries to prevent leakage of oil and other fluids. These seals are designed to float on the surface of the oil, creating a barrier that keeps the oil contained within a system. They are commonly used in gearboxes, hydraulic systems, and other machinery where the potential for oil leakage is a concern.