Three-roll mill for short, three-roll mill can be divided into two types: experimental three-roll mill and production three-roll mill. The three-roll mill is suitable for the manufacture of slurries such as paints, inks, pigments, and plastics. The working principle of the three-roller grinder: The three-roller grinder achieves the grinding effect through the mutual extrusion of the surfaces of the three horizontal rollers and friction at different speeds. Three-roll mill is the most effective grinding and dispersing equipment for high viscosity materials.

What are the advantages of a three-roll mill?

1. Collect and discharge materials, which are fast, clean, and interchangeable at the same time.
2. Bearings are installed at both ends of each roller, which can quickly add lubricating oil and effectively reduce wear.
3. The roller is made of high wear-resistant material, and the surface is ground with high precision and has a good finish.
4. The material in contact with the material is stainless steel, which is easy to clean and corrosion-resistant.
5. The grinding roller is a hollow structure. The newly developed three-roll grinding machine has a minimum roller of up to 20mm. The whole machine is light in weight and has a small motor drive resistance.
6. The rotation speed of the three rollers is different, the rotation speed of the roller at the feed end is much smaller than that of the roller at the discharge end, and the grinding performance is superior.
7. The mutual gap between the three rollers is manually adjustable, and the appropriate gap can be adjusted according to different requirements. The adjustment is convenient and flexible, and the fineness of the ground material can reach below 5um.
8. The cooling temperature of each grinding roller can be controlled separately, the cooling effect is good, and the control accuracy is ±1°C.

How to maintain the three-roll mill?

After the three-roller has been used continuously for half a year, it is recommended to carry out an overhaul, dismantle and wash the washing parts everywhere, replace them with clean lubricating oil, and carefully check the smoothness of the oil circuit. When the roller is found to be deformed during use, it must be stopped and re-grinded. Too many times of grinding the rollers and the diameter of the rollers are smaller than the requirement, the transmission gear will be tight and there will be gaps between the rollers. At this time, the gears must be corrected.

The edge of the discharge blade should be carefully corrected before installation, and the grinding should be smooth, and no thorns and cracks are allowed.

What are the applications of the three-roll mill?

Wide application of three-roll mills: Three-roll mills are mainly used to grind various paints, inks, inks, oil paints, coatings, food, chocolate, cosmetics, medicine, and other paste materials (not suitable for grinding enough to cause roller corrosion. raw materials). In recent years, there has also been a great development in the production of cable materials, artificial leather plastics, soap and lead core materials. Therefore, this machine has become the main equipment for many manufacturers to grind fine materials.

Conclusion

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