Working principle, characteristics and precautions of vertical sand mill

The working principle of the vertical sander: the feeding pump is installed in the machine body, and the material is sent from the bottom valve into the cylinder body. The rotation of the dispersing disc is driven by the dispersing shaft to make the grinding sphere move sharply, and the ball is sheared by strong stirring. The force causes the material to be impacted and sheared by the grinding media.

Vertical sand mill applications: architectural coatings, alkyd resins, dyes, printing inks, pesticides, coatings industrial coatings, anti-rust primers, road marking paints, paper, leather, cosmetics and other chemical industry wet sanding, dispersion Efficient equipment.

The characteristics of vertical sand mill: This machine is easy to operate, with high continuous production efficiency, convenient color change and easy cleaning. According to the user's requirements, the inner cylinder and the dispersing disc of the vertical sand mill can be made into carbon steel, stainless steel, lining polyurethane and other materials for different materials. The dispersing disc can also be made of engineering plastic material.

Sanding machine operation precautions
1 Long-term parking, first check whether the dispersion disk is jammed by the media before starting the machine. If the coupling does not move, the pump can be used to pump the solvent. Start again after dissolution. Do not force the start to avoid damage to the friction plate.

2 Long-term parking, check whether the top screen has crust paint slurry before starting. If it is, use solvent to clean it, so as to avoid trapping the screen and causing roof collapse.

3 Once there is a “topping”. Immediately stop the cleaning screen, place the slurry basin, adjust the speed of the slurry pump, and restart. Otherwise, the paint may intrude into the spindle bearing and cause the bearing to wear or damage the feed pump.

4 It is strictly forbidden to start when there is no paint or grinding medium in the simplified body.

5 When cleaning the simplified body with a solvent, the disperser can only be rotated slightly and intermittently to avoid wear of the parts.

6 When using new sand, it should be screened to remove foreign matter. Sand for sander should be cleaned regularly and replenished with new sand.

7 The observation window should be kept intact to prevent the sanding of the sander from causing injury.

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