Performance of heavy-duty automotive gear oils. Good anti-corrosion and clean performance Because the working environment of heavy-duty vehicles is generally poor, the dust, sewage, etc. existing in the environment can be easily brought into the lubricating oil, and the temperature of the lubricating oil during the running of the automobile is high and may be complicated. Chemical reactions to produce acidic substances, in order to prevent the gear from the acidic substances in the oil and the sludge produced by the deposition of insoluble matter, it is required that gear lubricants must have a good anti-corrosive effect. Good extreme pressure resistance The extreme pressure performance of a lubricating oil is the maximum load that a lubricating oil can withstand when it does not cause scratches or seizures during pressure. Under normal operating conditions, the gears are in a state of elastohydrodynamic lubrication of the lubricating oil, but when the car is started under heavy load, climbs a slope or encounters an impact load, a considerable part of the contact area of ​​the gear face will be in a boundary lubrication state. The better the extreme pressure resistance of the lubricating oil, the higher the tooth surface load and impact load it can withstand. Good thermal oxidation stability The operating temperature of gear oil is high during the operation of heavy-duty vehicles. If the thermal oxidation stability of the gear oil is not good, the viscosity of the lubricating oil will increase, and the resulting sludge will affect the fluidity of the oil and produce acidity. The corrosive material accelerates the corrosion of the metal, and the resulting polar precipitates also adsorb polar additives that cause the additive to precipitate out of the oil with the precipitate. These deposits can cause the rubber seal to age and harden, and also cover the surface of the part. Affects heat dissipation, so gear oils for heavy-duty vehicles must have good thermal oxidation stability. Main Functions of Heavy-Duty Automotive Greases Heavy-duty automotive greases are mainly used to gently lubricate vehicle chassis parts, universal joints, and hub bearings to protect these parts from corrosion and wear, and to a certain extent Heat dissipation and damping effect. The performance of heavy-duty automotive greases for heavy-duty truck chassis greases requires good pressure resistance, water resistance, and strong adhesion. Greases used in hub bearings and other parts must have excellent mechanical properties. Stability, thermal oxidative stability, extreme pressure resistance and corrosion resistance. Leisuwash specializing in manufacture automatic car wash machine, Touchless Car Wash , Automatic Touchless Car Wash, touchless car wash equipment, robot car wash, smart car wash system, leisuwash 360, leisuwash leibao 360, laserwash 360, leisuwash touchless car wash machine, leisu wash touchless car wash automatic, leisu wash 360 high pressure touchless car wash equipment, robo car wash, touch free car wash, leisuwash 360 touch free car wash, leisuwash 360 price, automatic car wash price, leisuwash in malaysia, no touch automatic car wash machine.
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