VSI Sand Making Machine
VSI Series

High-Performance Vertical Shaft Impact Crusher

VSI Series Vertical Shaft Impact Crusher represents fourth-generation sand making technology. Combining German engineering principles with rugged mining requirements, this equipment serves as foundational architecture for subsequent high-performance impactors. Processing feeds up to 50mm at capacities reaching 520 t/h, equipment delivers exceptional aggregate shaping and high-volume manufactured sand production while maintaining finely adjustable output modulus.

120-520 t/h
Up to 50 mm
GET EXPERT ADVICE

Industrial Sand Manufacturing & Shaping

Engineered to process hard rock fractions into premium cubical aggregates across demanding construction sectors.

Manufactured Sand Facilities

Processes abrasive river pebbles, quartz, and limestone into high-quality artificial sand, meeting strict gradation requirements for concrete batching plants.

Highway & High-Speed Rail

Shapes coarse aggregates, eliminating elongated and flaky particles required for critical transportation infrastructure foundations.

Hydroelectric Dam Construction

Provides reliable stone shaping capabilities essential for massive hydroelectric dam projects demanding high bulk-density aggregates.

Dry-Mix Mortar & Desulfurization

Supplies consistent, finely crushed raw materials for dry-mix mortar processing and power plant flue gas desulfurization circuits.

Mechanical Specifications & Structural Highlights

Dual Feed & Crushing Conversion

System easily transitions between full-center feeding and center-plus-cascade distribution. Internal geometry allows rapid switching between "Rock-on-Rock" and "Rock-on-Iron" kinematics, ensuring true multi-purpose functionality for differing site requirements.

Optimized Cavity Kinematics

Redesigned crushing angles minimize friction between raw material and internal wear components. Volumetric throughput increases by 30% compared to legacy equipment under equivalent power loads, drastically lowering long-term consumable costs.

Integrated Thin-Oil Lubrication

Standard configurations include dedicated thin-oil lubrication stations. System eliminates bearing overheating issues, maintaining main shaft bearings at constant temperatures to extend service lifespans and stretch maintenance intervals.

Internal Air Self-Circulation

Unique internal airflow dynamics drastically reduce external exhaust volumes. Aerodynamic design suppresses dust emission and utilizes advanced shock absorption to lower operational noise, exceeding stringent environmental protection standards.

Hydraulic Housing Access

Equipped with hydraulic lid-opening devices. Maintenance personnel can rapidly expose internal crushing cavities, facilitating efficient wear part inspection and rapid component replacement without heavy lifting gear.

Automated Vibration Telemetry

Intelligent monitoring systems detect excessive operational vibration. If mechanical abnormalities occur during operation, integrated alarms trigger immediate equipment shutdown, preventing catastrophic structural damage.

How It Works On-Site

VSI Sand Making Machine
  • 1

    Material Intake & Distribution

    Raw rock drops into feed hoppers. Depending on selected operational mode, distributor plates either channel entire volumes into central rotors or split flows into central streams and peripheral free-falling cascade curtains.

  • 2

    Centrifugal Kinetic Acceleration

    Material entering central high-speed rotors undergoes extreme centrifugal acceleration, reaching dozens of gravitational forces before violent ejection from rotor discharge ports.

  • 3

    Primary Inter-Particle Collision

    Ejected material violently strikes free-falling cascade material (in cascade mode) or previously rebounding rock. Kinetic energy transfers instantly, causing primary rock fragmentation in mid-air.

  • 4

    Vortex Cavity Impact & Discharge

    Accelerating particles strike peripheral material linings (Rock-on-Rock) or metallic impact blocks (Rock-on-Iron). Fragments rebound toward cavity ceilings, deflecting downward to intersect newly ejected streams. Action forms continuous crushing curtains before properly sized cubical aggregates discharge via lower ports.

Technical Data

Customized Crushing Solution?

Our senior engineers are ready to provide you with tailored configurations and accurate quotes within 24 hours.