The VSI-A7 sand-making machine is a new-generation product that incorporates cutting-edge technologies from both domestic and international counterparts while featuring numerous independently developed innovations. In large-scale and ultra-large-scale production lines for manufactured sand and premium aggregates, it generates substantial value for customers.
Suitable for various types of stone materials, including quartz, marble, river pebbles, granite, iron ore, and more.
As material falls into the feed hopper, it passes through the central feed opening into a high-speed rotating impeller. Inside the impeller, it is rapidly accelerated and collides with another portion of the material that is free-falling after rebounding. Together, they impact against either a material liner (in "stone-on-stone" mode) or impact blocks (in "stone-on-iron" mode). They then rebound diagonally upward toward the top of the vortex chamber, where their direction of motion is altered, causing them to deflect downward and collide with material being ejected from the impeller channels, thereby forming a continuous curtain of material. In this manner, a single piece of material undergoes two or more cycles of impact, friction, and grinding within the vortex crushing chamber before being discharged through the lower discharge port.
Featuring a unique design, it enhances crushing efficiency and increases the yield of finished products, backed by numerous technical patents.
Designed with a large discharge opening to prevent blockages, boost crushing efficiency, and safeguard the equipment from damage.
Combines advanced wear-resistant technology with self-crushing characteristics to reduce wear-related costs and improve crushing efficiency.
Innovative manufacturing processes and materials extend the service life of wear parts, thereby minimizing downtime and reducing maintenance costs.
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| Model | Hard material | Soft material | Sand Making | Sand Shaping | Motor Power（kw） |
| Max.Feeding Size （mm） | Throughput（t/h） | ||||
| VSI7A 400 | <45 | <55 | 260-285 | 314-345 | 2×200 |
| VSI7A 500 | <45 | <55 | 345-370 | 412-578 | 2×250 |
| VSI7A 630 | <50 | <60 | 455-488 | 544-760 | 2×315 |
| VSI7A 710 | <50 | <60 | 508-560 | 610-860 | 2×355 |
| VSI7A 800 | <50 | <60 | 600-645 | 722-1005 | 2×400 |
| VSI7A 1000 | <50 | <60 | 780-843 | 940-1310 | 2×1000 |
Note:Processing Capacity May Vary With Different Materials And Feeding Sizes.
| Model | Sand Making | Sand Shaping | Motor Power（kw） |
| Throughput （t/h） | |||
| VSI7A 400 | 260-285 | 314-345 | 2×200 |
| VSI7A 500 | 345-370 | 412-578 | 2×250 |
| VSI7A 630 | 455-488 | 544-760 | 2×315 |
| VSI7A 710 | 508-560 | 610-860 | 2×355 |
| VSI7A 800 | 600-645 | 722-1005 | 2×400 |
| VSI7A 1000 | 780-843 | 940-1310 | 2×1000 |
Note:Processing Capacity May Vary With Different Materials And Feeding Sizes.