Details of how the grinding medium moves

Details of how the grinding medium moves，In the sanding machine, the movement of the grinding medium (such as glass beads, zirconia beads, etc.) is not a simple random collision. In fact, in the grinding chamber of the stirring sander,

Details of how the grinding medium moves

In the sanding machine, the movement of the grinding medium (such as glass beads, zirconia beads, etc.) is not a simple random collision. In fact, in the grinding chamber of the stirring sander, the high-speed rotation of the agitator will cause the grinding medium to produce a complex flow state. The media close to the agitator form a high-speed rotating band, which is thrown towards the wall of the grinding chamber under the action of centrifugal force. In this process, in addition to colliding with each other, the medium will also form a sliding friction similar to laminar flow. This sliding friction plays a key role in the dispersion of materials that require fine grinding, such as nanoscale pigments. For example, in the production of high-end automotive paint, this fine grinding action helps the pigment particles disperse better, making the car paint more uniform and vivid color.

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