Whether it is organic fertilizer production or npk production line, fertilizer equipment will inevitably wear out during operation. These controllable damages are controllable for the safe life of the equipment. Wear and tear has little effect on the device, so don't worry too much. However, severe wear is different. Some only affect the normal operation of the equipment and also cause potential safety hazards. Therefore, manufacturers should do a good job in the inspection and management of wear and tear of organic fertilizer equipment.
Possible causes of wear: 1. Running-in wear: This is the most common normal wear and tear of organic fertilizer equipment. When the new friction surface starts to rub, the wear rate is faster. After reaching a certain level, the actual contact area between the friction surfaces increases, the unit pressure decreases accordingly, and the wear rate also decreases.
2. Hard particle wear: The wear surface is damaged by hard particle cutting.
3. Welding wear: when the friction surface material is too light, the contact pressure is too large, the lubrication conditions are too poor or the temperature is too high.
4. Fatigue wear: This occurs on the friction surface of rolling friction, manifested in the cracked surface of the friction surface of the part, causing the metal surface to fall off. The main reason is that the contact pressure exceeds the compressive ultimate strength due to compressive elasticity and the effect of heat and cold.
5. Corrosion wear: the friction surface between the friction surfaces due to water vapor. Chemical gases or oxides and other media continuously penetrate, oxidizing and deteriorating the friction surface. Generally, it is oxidative wear and chemical corrosion wear.
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