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VSI impact sand machine
Factory direct sales:Yes
Delivery method:Sea/land
VSI series vertical shaft sand making machine is a newly designed product based on China's working conditions. It is a high-performance sand making equipment with a considerable level of domestic production at present. The sand making machine is designed to provide high-quality sand and gr
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Applicable MaterialsArtificial sand making of river pebbles, mountain rocks (limestone, granite, basalt, diabase, andesite, etc.), ore tailings and stone chips.
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Application AreasThe engineering field of water conservancy and hydropower, highways, Bridges, municipal engineering, high-rise building mechanism sand production and stone shaping. In the mining sector, the pre-grinding process, the production of glass, quartz sand and other high-purity materials.

VSI series high-efficiency vertical shaft impact crusher is the latest design result of authoritative German experts combined with China's working conditions. It is currently the only high-performance sand-making equipment produced at the world's advanced level. This machine is designed to provide high-quality stone aggregate for highways, high-speed railways, high-rise buildings, municipal projects, hydropower dam construction, and concrete mixing stations. It is the first choice of equipment in artificial sandmaking and stone shaping.

Advantages of VSI impact sand machine
1. It can process a large amount and has a high output of 50-500t/h. Compared with traditional equipment under the same power, the output is increased by 30% and is stable.
2. Low consumption of wearing parts—The best material impact angle design in the crushing cavity has less friction with wear-resistant parts. Compared with traditional equipment, the operating cost is 40% lower, directly reducing the equipment's use cost.
3. The product has excellent grain shape - it is cubic, has good grain shape, reasonable gradation, and an adjustable fineness modulus; it is especially suitable for artificial sand making and stone shaping. The practice has proven that the sand-making and shaping effect is 30% higher than other traditional equipment.
4. A hydraulic device, easy maintenance, and a hydraulic cover opening device make the maintenance and removal of components in the crushing chamber quick and easy, shorten downtime, and save time and effort.
5. Automatic detection, safety, and reliability: The equipment has an over-vibration display and alarm device. If the equipment malfunctions, a warning can be issued to stop the equipment from working and protect the machine.
6. Thin oil lubrication and automatic maintenance: an original German thin oil lubrication station with dual oil pumps that complement each other to ensure oil supply; it automatically stops when there is no oil flow or oil pressure; it is water-cooled for cooling, and the motor is heated and started in winter.

7. One machine has multiple uses and is flexible in application. The unique feed crushing structure has various crushing cavity types, which can easily realize the conversion of "rock on stone" and "stone on iron", thereby solving the problem of one machine with multiple uses. Suppose you want to change the application of the VSI crusher. In that case, it can adapt to the different needs of users without making major adjustments, such as sand making, shaping, abrasive materials, etc.

Working principle of VSI impact sand machine
Full centre feeding: the materials fall into the feeding hopper of the sand-making machine, enter the high-speed rotating swing wheel through the central feeding hole, and are rapidly accelerated in the swing wheel. The acceleration can reach the gravitational acceleration multiple times and then shoot out from the swing wheel at high speed. First, they collide with another part of the materials that fall freely after the rebound. Then they collide with the material lining (stone striking stone) or counterattack block (stone striking iron) and are bounced up to the top of the vortex chamber, It also changes its movement direction, deflects downward, and collides with the materials emitted from the impeller channel to form a continuous material curtain. In this way, a piece of material is subjected to two or more times of probability impact, friction and grinding crushing in the vortex crushing chamber. The crushed materials are discharged from the lower discharge port.



Technical Data of the VSI impact sand machine
| Model | Spindle Speed(r/min) | Center(t/h) Feed Only | Double Feed(t/h) | Power (kw) | 软料Soft Material | 硬料Hard Material | Dimension (L×W×H)(mm) | Weight (t) |
| VSI-7611 | 1700-1900 | 120-190 | 65-95 | 55×2 | 35 | 30 | 3700×2150×2100 | 11.8 |
| VSI-8518 | 1520-1700 | 200-260 | 100-130 | 90×2 | 40 | 35 | 4140×2280×2425 | 14.5 |
| VSI-9526 | 1360-1500 | 300-380 | 150-190 | 132×2 | 45 | 40 | 4560×2447×2778 | 17.8 |
| VSI-1140 | 1180-1310 | 450-520 | 225-260 | 200×2 | 50 | 45 | 5000×2700×3300 | 25.6 |





