What does carbide wet grinding mean?
2. the number of grinding bodiesThe number of grinding bodies is usually described by the fill factor. The filling factor is equal to the ratio of the volume of the grinding ball to the volume of the cartridge.It is generally believed that the ball mill with carbide ball and carbide lining can guarantee the minimum coefficient of filling of rolling grinding by 0.4. When the filling coefficient exceeds 0.5, the ball near the center of rotation is blocked by the ball because of the small radius of rotation, so it is in a relatively static state with the grinding cylinder and reduces the grinding efficiency. Moreover, with the increase of filling factor, the grinding efficiency decreases regularly
Wet grinding of cemented carbide is an important process in the production process, and its efficiency has a direct bearing on the quality of cemented carbide products. The main factors affecting the wet grinding efficiency of cemented carbide are as follows:1. ball mill speedThe mixing and grinding of cemented carbide powder in a ball mill barrel is achieved by the motion of the ball when the ball mill rotates. The movement of the ball in the tube depends on the speed of the ball mill. If the speed is too fast, from the heart, the ball will be posted on the wall and rotate together, the ball in the same cylinder wall relative static state, which is equal to the elimination of the ball should play a role, if the speed is too low, only along the bottom of the cylinder sliding ball, small mixture of crushing and grinding effect.
3. shape of the grinding bodyThe grinding body can be spherical or cylindrical. Our country generally adopts the spherical shape, which is easy to roll because of its spherical shape and has high efficiency, and can make the most effective use of the surface of the grinding body, and the abrasion is even, and the manufacture is easy.4. ball material ratioBall to material ratio refers to the ball to material weight ratio, the ball to material ratio is greater, the ball and material contact area is greater, the grinding efficiency is higher.Experiments show that in a certain range, improve the ball material can not only improve the grinding efficiency ratio, change the performance of mixture, and can obtain the structure of hard alloy structure and good performance, but the ball ratio can not be too large.5. solid-liquid ratioThe solid-liquid ratio is the ratio of the weight of the mixture to the volume of the liquid medium. Usually expressed as a volume of liquid added to a kilogram of material. But the solid-liquid ratio of slurry is suitable, and the grinding efficiency has the best value!
