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Impact Crusher vs VSI Crusher: Differences in Sand Making and Selection Guide
Release time:
Apr 27,2025
Impact Crusher vs VSI Crusher: Differences in Sand Making and Selection Guide
1. Working Principle Comparison
- Impact Crusher:
- Uses high-speed rotor and hammers to strike materials, with repeated collisions against impact plates.
- Suitable for medium/low hardness materials (≤350MPa), e.g., limestone, coal gangue.
- VSI Crusher (Vertical Shaft Impact):
- Employs "rock-on-rock" or "rock-on-iron" centrifugal crushing for autogenous impact.
- Ideal for high hardness materials (≤450MPa), e.g., granite, basalt.
2. Sand Quality Comparison
|
Parameter |
Impact Crusher |
VSI Crusher |
|
Shape |
Angular, flakiness ≤15% |
Cubical, flakiness ≤5% |
|
Gradation |
Requires screening |
Natural continuous gradation (FM 2.6-3.0) |
|
Fines Content |
8%-15% (adjustable) |
3%-10% (precise control) |
3. Selection Criteria
- Choose Impact Crusher if:
- Limited budget and soft materials (e.g., limestone sand);
- Multi-purpose production (both aggregate and sand).
- Choose VSI Crusher if:
- High-value sand required (e.g., C60 concrete);
- Processing hard ores with low maintenance needs.
Conclusion: VSI for premium hard rock sand, Impact Crusher for cost-effective soft rock solutions.
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Luoyang Nairy Machinery Equipment Co., Ltd. (hereinafter referred to as Nairy) was founded in Luoyang, the Holy City of China. After years of innovation and development, Nairy products have made historic breakthroughs in the supply of sand and gravel system equipment and spare parts, the supply of belt conveyors, the research and development and supply of solid waste recycling equipment...
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