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Heavy truck gears are the core load-bearing components of the heavy-duty truck transmission system,which need to cope with high torque output and complex road condition impacts in heavy-load transportation for a long time.Their performance stability is directly related to transportation efficiency and driving safety.Different from ordinary commercial vehicle gears,heavy truck gears are designed to optimally adjust tooth width and modulus parameters,increase the transmission contact area,reduce the load borne by the unit tooth surface,and reduce fatigue damage caused by long-term heavy loads.
In terms of material selection,heavy truck gears mostly use high-strength carburized alloy steel.Through strict quenching and tempering and carburizing heat treatment processes,the tooth surface hardness and core toughness are greatly improved,which can not only resist tooth surface wear under heavy loads but also avoid tooth fracture caused by impact loads.For long-distance transportation scenarios,heavy truck gears are also equipped with efficient sealing structures to prevent dust and muddy water along the way from invading the meshing parts,and at the same time,cooperate with long-acting lubrication schemes to extend the gear maintenance cycle and adapt to the long-distance and high-frequency operation needs of heavy trucks.
When selecting heavy truck gears,it is necessary to focus on the load level and fatigue life parameters of the components,and prioritize products that meet the standards of the heavy-duty automobile industry to avoid transmission failures due to improper selection.In daily maintenance,in addition to regularly checking the lubrication status,it is also necessary to pay attention to the abnormal noise and vibration during gear operation,and promptly investigate and solve problems such as tooth surface spalling and excessive meshing clearance to ensure that heavy truck gears are always in a stable working state.
