(1) Corrosion damage of parts In order to prevent corrosion of parts, corrosion-resistant materials (nickel, chromium, zinc, etc.) are often plated on the surfaces of metal parts, or oiled on the surface of metal parts, and coated on the surface of non-metallic parts. Paints and other methods to prevent direct contact with hazardous materials. Using the method of improving the surface finish of parts can also reduce the potential difference on the part surface. (2) Parts of fatigue damage manifestations: fracture, surface spalling treatment methods: In the manufacturing process to improve the surface finish of the parts, the use of more moderate cross-section filtration, in order to reduce the stress concentration of the parts. In addition, the use of carburizing, quenching and other methods to improve the hardness, toughness and wear resistance of parts can also receive good results. (3) Friction damage of parts In order to reduce the amount of abrasive wear, wear-resistant materials are used as much as possible on the working parts of the agricultural machinery. When designing the shape of the working parts of the agricultural machinery, the friction resistance thereof is also minimized. For example, the use of high manganese content and rare earth alloys to make soil processing parts, coating the plow wall with a wear resistant material (such as polyvinyl fluoride); using a roller plow to change the sliding friction with soil to rolling friction, etc. Reduced abrasive wear.
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