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1. How to Classify Ore Hardness? (Equipment Selection Step)
We usually classify ore types by Mohs hardness.
Key Conclusion: The higher the hardness, the higher the requirements for equipment wear resistance and compression resistance.
2. How to Select Equipment for Soft Ores (e.g. Limestone)?
Recommended Equipment
◆Jaw Crusher (primary crushing)
◆Impact Crusher (secondary & fine crushing)
Advantages:
◆Low cost
◆Good final product grain shape
◆Simple maintenance
The Truth:Many manufacturers recommend cone crushers, but this is over-equipped for soft materials — high cost and low cost-performance ratio.
3. Selection Scheme for Medium-Hard Ores (e.g. Dolomite)
Recommended Equipment:
◆Jaw Crusher (primary crushing)
◆Cone Crusher / Impact Crusher (choose one)
Selection Advice:
◆For better grain shape → choose Impact Crusher
◆For higher durability → choose Cone Crusher
The Truth:Although the impact crusher produces good-looking final products, its blow bars wear out quickly, so long-term costs may be higher than cone crushers.
4. Must-Do Selection for High-Hard Ores (e.g. Granite)!
Recommended Equipment:
◆Jaw Crusher (primary crushing)
◆Cone Crusher (secondary & fine crushing)
◆Sand Making Machine (shaping)
Why not use Impact Crushers?
◆Extremely fast wear of wear parts
◆High maintenance frequency
◆Large losses from downtime
The Truth (Critical):
Using impact crushers for high-hard materials = a money-burning operation
80% of users have fallen into this trap
5. Complete Production Line Recommendations
Scheme 1 (General Type):
◆Jaw Crusher + Cone Crusher + Vibrating Screen
Scheme 2 (High-Quality Aggregate):
◆Jaw Crusher + Cone Crusher + Sand Making Machine + Sand Washer
6. 3 Core Principles for Equipment Selection (Avoid Pitfalls)
1️⃣ Focus on cost per ton, not just priceLow-price equipment ≠ Low cost
2️⃣ Base on material properties, not sales recommendationsOre properties vary greatly
3️⃣ Prioritize mature process schemesAvoid trial-and-error costs
7. Summary: One Chart to Guide Equipment Selection
8. Contact Us
If you are planning a mining project or upgrading a production line, please provide the following information for a customized solution:
◆Raw material type
◆Feed size
◆Target output
◆Final product specification
We can provide you with free equipment selection + configuration quotation.
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Which Factors Should Be Considered When Choosing Between a Jaw Crusher and a Hammer Crusher for Basalt Processing?
When discussing sand production processes, two primary methods often come into focus: dry sand making and wet sand making.
The Workflow of a High-Pressure Grinding Mill
Which Factors Should Be Considered When Choosing Between a Jaw Crusher and a Hammer Crusher for Basalt Processing?
When discussing sand production processes, two primary methods often come into focus: dry sand making and wet sand making.
The Workflow of a High-Pressure Grinding Mill
Which Factors Should Be Considered When Choosing Between a Jaw Crusher and a Hammer Crusher for Basalt Processing?
When discussing sand production processes, two primary methods often come into focus: dry sand making and wet sand making.
The Workflow of a High-Pressure Grinding Mill
50R&D engineers
1000+user case representatives
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The user purchased two sets of sand production line, each set of equipment includes ZSW490*110 vibrating feeder, PE750*1060 jaw crusher, HST250 single-cylinder cone crusher, JYS1238 sand making machine, YK2460 vibrating screen, 3016 sand washer and so on.
The designed capacity of this sand making project is 200t/h, and the equipment used includes 490*110 vibrating feeder, PE750*1060 jaw crusher, PF1315 impact crusher, 9928 sand making machine, two sets of 2460 vibrating screen, two sets of 920 single screw sand washer, two sets of XSD2816 sand washer, two sets of dewatering screen, and several belt conveyors.
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