The quality of agricultural machinery parts is of great importance to the normal operation of agricultural machinery. Once agricultural machinery parts have problems, they must be dealt with promptly. The following are three kinds of damages and their treatment methods that often appear in agricultural machinery parts for reference.
1, the parts of the friction damage
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 frictional resistance thereof is also minimized. For example, the use of high manganese content and rare earth alloys for the manufacture of soil processing components, the application of wear-resistant materials such as polyvinyl fluoride on the plow wall, and the use of a roller plow to change the sliding friction with the soil to rolling friction are relatively reduced. Abrasive wear.
2. Corrosion damage of parts
In order to prevent corrosion of parts, corrosion-resistant materials such as nickel, chromium, zinc, etc., are often plated on the surface of metal parts, or oiled on the surfaces of metal parts, and anti-corrosive paints are applied on the surfaces of non-metallic parts to prevent parts from corrosion. Direct contact with harmful media. Using the method of improving the surface finish of parts can also reduce the potential difference on the part surface.
3, parts of fatigue damage
Form of expression: fracture, surface flaking
Treatment method: 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.
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