VSI Sand Maker
VSI Sand Maker
Table of Contents
What is a VSI Sand Maker?
A VSI Sand Maker, also known as a Vertical Shaft Impact crusher, is a specialized machine used for tertiary and quaternary crushing stages. Its primary function is to crush large rocks, stones, and ores into fine, cubical-shaped sand and gravel. Unlike traditional compression crushers (like jaw or cone crushers), a VSI crusher utilizes a high-speed rotor and anvils to fracture material through “rock-on-rock” and “rock-on-iron” impact principles.
This method not only reduces particle size but also significantly improves the shape of the final product, making it ideal for producing high-quality sand that meets strict standards for construction, concrete production, and asphalt.
How Does a VSI Sand Maker Work?
The working principle of a VSI Crusher is both simple and highly effective, centered on high-velocity impact. Here’s a step-by-step breakdown:
Feeding: Material is fed into the crusher through a central feed hopper. The feed size is carefully controlled to match the capacity of the machine.
Acceleration: The heart of the VSI is a high-speed rotor spinning at up to 80-90 meters per second. The material entering the rotor is accelerated outward by the centrifugal force.
Impact and Crushing: The accelerated material is forcefully thrown against either:
Rock-on-Rock: The material impacts a surrounding “anvil ring” or a bed of previously crushed material that has built up on the outer housing. This is ideal for less abrasive materials and for producing a more cubical product with less wear.
Rock-on-Iron: The material impacts specially designed metal anvils or tips mounted on the outer housing. This method provides greater control over particle size and is suitable for highly abrasive materials.
Shaping and Sizing: The violent impact causes the rocks to break along their natural fissures. The repeated collisions ensure a well-graded, cubical product. The final size is controlled by adjusting the rotor speed, feed rate, and the configuration of the impact surfaces.
Discharge: The crushed and shaped sand is then discharged from the bottom of the crusher.
VSI Sand Maker Models and Parameters
We offer a wide range of VSI crusher models to suit various production capacities and material types. Below is a table summarizing the key specifications of our popular models.
Table: VSI Sand Maker Models and Technical Parameters
| Model | Max Feed Size (mm) | Capacity (t/h) | Motor Power (kW) | Rotor Speed (rpm) | Weight (t) |
|---|---|---|---|---|---|
| VSI-7611 | 35 | 60-180 | 110-150 | 1400-1800 | 11.5 |
| VSI-8518 | 40 | 120-240 | 180-220 | 1200-1600 | 15.8 |
| VSI-9526 | 45 | 200-380 | 264-320 | 1000-1400 | 21.5 |
| VSI-1140 | 50 | 300-520 | 400-440 | 900-1200 | 25.6 |
| VSI-1145 | 55 | 350-590 | 440-500 | 850-1100 | 28.9 |
| VSI-1150 | 60 | 400-650 | 500-550 | 800-1050 | 32.4 |
What Materials Can a VSI Sand Maker Crush?
The versatility of the VSI crusher is one of its greatest strengths. It can effectively process a wide array of hard, abrasive, and brittle materials, including but not limited to:
Granite & Basalt: Ideal for producing high-quality concrete sand and asphalt chips.
Limestone & Dolomite: Perfect for manufacturing sand for masonry and plastering.
Quartz & Quartzite: Excellent for glass sand, foundry sand, and abrasives.
River Gravel & Pebbles: Transforms natural gravel into high-value construction sand.
Iron Ore & Ferroalloys: Used in the beneficiation and shaping of metal ores.
Cement Clinker & Slag: Efficiently crushes industrial by-products for recycling and reuse.
Construction Waste & Concrete: A key component in recycling plants to produce recycled aggregates.
What Are the Superior Performance Advantages?
Investing in a VSI Sand Maker brings numerous operational and economic benefits:
High-Quality, Cubical Product: The impact crushing action naturally produces well-shaped, cubical particles, which is essential for strong concrete and asphalt with reduced cement and binder consumption.
Excellent Gradation Control: By adjusting rotor speed and feed rate, you have precise control over the final product’s gradation, ensuring it meets specific project specifications.
High Production Efficiency: VSI crushers offer a high reduction ratio and can handle large volumes of material, leading to superior throughput and lower cost per ton.
Low Operating Costs: The “rock-on-rock” crushing minimizes wear part consumption. Furthermore, many modern VSIs feature hydraulic lid openers for easy and quick maintenance.
Versatility: A single VSI can often replace a traditional cone crusher and a shaping machine, simplifying the circuit and reducing capital investment.
Environmental Benefits: Effective for recycling construction demolition waste, turning it into valuable resources and promoting a circular economy.
We Provide a Full Range of VSI Sand Maker Solutions
Choosing the right equipment is crucial for the success of your project. We are a leading supplier of crushing and sand-making equipment, committed to providing tailored solutions for our clients worldwide.
We offer a comprehensive portfolio of VSI Sand Maker models, from compact units for smaller operations to high-capacity machines for large-scale quarries and mining projects. Our expert team will work with you to:
Analyze your raw material and production requirements.
Recommend the optimal VSI model and configuration.
Provide comprehensive technical support and after-sales service.
Supply genuine wear and spare parts to ensure maximum uptime.
Ready to enhance your sand production and profitability? Contact us today to discuss your needs and discover how our VSI Sand Makers can provide the perfect solution for your business.