Impact Crusher
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Excellent Particle Shape: Rock-on-rock crushing produces well-shaped sand with low flakiness ratio, meeting standards for high-grade concrete and highway construction.
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Balanced Wear & Long Service Life: Most crushing is completed by material collision, reducing abrasion of wear parts and extending service cycle.
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High Automation & Stable Operation: Equipped with variable frequency feeding, thin oil lubrication and temperature control system for long-time continuous operation.
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Dual-purpose & Wide Application: It can be used for both sand making and aggregate shaping, suitable for various hard and medium-hard materials with flexible layout.
1. Product Overview
VSI impact crusher, also known as vertical shaft impact sand making machine, adopts the principle of high-speed material self-impact crushing. With two crushing modes: rock-on-rock and rock-on-iron, it produces well-rounded aggregates with very low flakiness content. It is the key equipment for manufactured sand production and stone shaping.
2. Detailed Description
Materials enter the high-speed rotating impeller from the hopper and are thrown out under centrifugal force. They collide violently with falling materials (rock-on-rock) or wear liners (rock-on-iron). After repeated impact, friction and shearing, qualified sand is discharged from the bottom, completing crushing and shaping in one process.
3. Why Choose Us
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Rock-on-rock crushing, perfect cubic aggregate with minimal flaky particles: Materials collide at high speed for shaping, uniform cubic grains, ideal for high-standard manufactured sand.
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Dual function for fine crushing & sand making, adjustable output fineness: Adjust impeller speed and overflow gate to produce 0-5mm sand, fit for aggregate and dry mortar.
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Low wear consumption, capable of hard rock processing: High wear-resistant alloy impact blocks, suitable for granite, basalt, river pebble and other abrasive hard stones.
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Controllable dust emission, stable operation & high throughput:Centrifugal impact design with low vibration, matches dust collector for environmental protection, supports 24h continuous running.
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Vertical compact structure, small floor space & easy installation: Vertical layout saves space, no heavy steel frame required, compatible with fixed and mobile crushing stations.
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Wide application for aggregate and mining industries: Widely applied in artificial sand production, mineral fine crushing, construction waste recycling and quartz sand processing.
4. Specifications & Technical Data
| Parameter Item | Description / Reference Range |
| Equipment Type | Vertical Shaft Impact Crusher (VSI / Sand Maker) |
| Applicable Materials | River pebbles, granite, limestone, basalt, and other hard/brittle materials |
| Crushing Modes | “Rock-on-Rock” (Stone-on-Stone) and “Rock-on-Iron” (Stone-on-Metal) |
| Max Feed Size | 35 – 50 mm |
| Production Capacity | 55 – 650 t/h |
| Motor Power | 55 – 440 kW |
| Main Series | VSI Series, HVI Series, PCL Series |
| Key Advantages | High crushing ratio, excellent product shape (cubic), low operating cost |
| Note on Specific Series: | |
| VSI Series | Max feed size 35-50 mm, Capacity 80-650 t/h, Power 180-440 kW. |
| HVI Series | Max feed size 40-45 mm, Capacity 70-440 t/h, Power 2×110 to 2×200 kW. |
| PCL Series | Max feed size 40 mm, Capacity 55-100 t/h, Power 55 kW or 90×2 kW. |
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