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Generally, according to the wear mechanism and the interaction between materials and abrasives and materials and materials in the wear system, the main types of wear can be divided into abrasive wear, adhesive wear, erosion wear, fatigue wear, corrosive wear and fretting wear, etc. 6 types.   1.1 Abrasive Wear   Hard particles or protrusions that enter between the friction surfaces from the outside plow out many grooves on the surface of the softer material, resulting in material migration and a wear phenomenon called abrasive wear.   The main factors affecting this kind of wear: in most cases, the higher the hardness of the material, the better the wear resistance; the amount of wear increases with the increase in the average size of the wear particles; the amount of wear increases with the increase in the hardness of the abrasive particles. Increase etc.   1.2 Adhesive Wear:   Wear caused by material falling off or transferring from one surface to another due to solid phase welding when contact surfaces move against each other.   The main factors affecting adhesive wear: Similar friction pair materials are easier to adhere than dissimilar materials. Surface treatment (such as heat treatment, spraying, chemical treatment, etc.) can reduce adhesive wear; brittle materials have higher resistance to adhesion than plastic materials; the surface of the material is rough The smaller the degree value, the stronger the anti-adhesion ability; controlling the temperature of the friction surface and using lubricants can reduce adhesive wear, etc.   1.3 Erosion or Erosive Wear   When a fluid containing flowing particles (solid, liquid or gas) impacts the surface of a material, a wear phenomenon is called erosional wear.   The main factors affecting erosion wear are the impact speed and angle of flowing particles.   1.4 Fatigue Wear   When two materials move relative to each other (rolling or sliding), the contact area is repeatedly acted upon by cyclic stress. When the cyclic stress exceeds the contact fatigue strength of the materials, fatigue cracks form on the contact surface or somewhere below the surface, causing the surface layer to partially fall off. This phenomenon is called due to fatigue wear.   The main factors affecting fatigue wear: the higher the surface hardness of the part, the smaller the risk of fatigue cracks; reducing surface roughness can improve the fatigue life of the part; high viscosity lubricating oil can improve the ability to resist fatigue wear, which is beneficial to improving fatigue life. lifespan etc.   1.5 Corrosive Wear   During the friction process, a chemical or electrochemical reaction occurs between the friction surface and the surrounding medium, resulting in the loss of surface materials, which is called corrosion wear.   The main factors that affect corrosion wear: the properties of corrosive media (such as acids, alkalis, salts), the properties of the oxide film on the surface of parts, and ambient temperature and humidity.   1.6 Fretting Wear   Fretting wear occurs when metal surfaces that are pressed against each other vibrate at small amplitudes, causing oxidized wear particles to be produced on the contact surface, which are difficult to remove from the contact parts.   The main factors affecting fretting wear: The wear of similar materials is much more serious than that of dissimilar materials.

The cleanliness of the jet pulverizer is an important indicator in the crushing operation. Because the jet pulverizer is in direct contact with the material, the cleanliness of the jet pulverizer is very important and directly affects the quality of the material. After use, it must be cleaned Just clean it and clean it carefully to make it more convenient for next use and to avoid affecting the quality of the materials. Below, the editor of Longyi Equipment will tell you a few methods about cleaning the grinder.   1. After the production of the jet mill is completed, turn off the power and send all materials in production to the intermediate station according to the material entry and exit procedures. Hang a sign indicating that the equipment is ready for cleaning.   2. Open the chemical crusher and move the collection bag, screen, detachable air duct, etc. into the sink in the clean room. Pour about 2/3 volume of 30~40℃ warm water into the sink, soak for 10-30 minutes, and then wash the front and back of the powder collection bag repeatedly with running water until the powder collection bag is clean;   3. Use a clean special rag dipped in warm water and wipe the material inlet of the crusher, the inner cavity of the crusher, the material outlet and the powder collection chamber repeatedly until they are clean. 4. Wash the screen and air duct with a soft brush to clarify the water liquid, and rinse them three times with ionized water. Dry in a clean area of the same level as the crushing room and set aside.   5. Use deionizer to thoroughly wipe and clean the inner wall of the chemical crusher, powder conveying pipe, and cyclone separator.   6. Dry the above parts with a clean dry towel, and then wipe clean with 75% ethanol.   7. Wipe the floor of the operating room, power distribution cabinet, motor and operating cabinet clean. After the bags and screens are dry, clean and rinse the floor in the operating room on a regular basis to ensure that there is no dust or water accumulation on the ground.   The above is about how to clean the jet pulverizer. I hope it can help you. For more information, please continue to follow us!