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Hydraulic Cone Crusher for Hard Rock Secondary and Tertiary Crushing
LIPU single-cylinder cone crushers are designed for secondary and tertiary crushing of hard and medium-hard rocks and ores in mining, quarrying, and aggregate production.
The SC series combines compression crushing with hydraulic discharge adjustment, overload protection, and cavity clearing. Different models and cavity configurations can be selected according to feed size, required capacity, final product size, material characteristics, and the complete crushing circuit.
A single-cylinder cone crusher, also known as a single-cylinder hydraulic cone crusher, is a compression crusher mainly used for medium and fine crushing.
Material enters the crushing chamber between the mantle and concave. The eccentric mechanism causes the moving cone to continuously approach and move away from the fixed crushing surface.
During this process, the material is repeatedly compressed and reduced until it becomes small enough to pass through the discharge opening.
The single-cylinder hydraulic system is used for functions such as:
Single-cylinder cone crushers are widely used after primary crushing equipment in hard-rock and mineral processing applications.
LIPU SC series cone crushers are available with different crushing cavity configurations to match different feed sizes and final product requirements.
The current SC series includes F1, F2, F3 and, on selected models, F4 and F5 cavity configurations.
Cavity configurations with larger feed openings are generally used when relatively coarse material enters the cone crusher after primary crushing.
They are suitable for:
Within the same crusher model, F1 typically accepts a larger feed size than the finer cavity configurations.
Smaller-feed cavity configurations are used when finer discharge products are required.
They are commonly selected for:
The correct cavity should be selected according to feed size, discharge size, required capacity, circulating load, and material characteristics rather than cavity designation alone.
Single-cylinder cone crushers can process a wide range of hard and medium-hard rocks and ores.
Typical materials include:
Typical applications include:
For hard-rock applications, a single-cylinder cone crusher is commonly installed after a Jaw Crusher to further reduce the primary crusher discharge.
The motor transfers power to the transmission shaft through the drive system.
The transmission shaft drives the eccentric assembly, causing the moving cone to perform an eccentric crushing motion.
During operation:
Crushing performance is affected by:
Stable and continuous feeding helps maintain consistent crushing performance.
A typical single-cylinder cone crusher includes:
The mantle and concave are the main wear parts in direct contact with the material.
Wear-part selection should therefore consider material hardness, abrasiveness, feed gradation, and operating conditions.
The hydraulic system is one of the main structural features of a single-cylinder cone crusher.
During normal operation, it assists with discharge opening adjustment and crusher setting control.
If uncrushable material enters the crushing chamber or an abnormal overload occurs, the hydraulic system allows the moving cone to move downward and temporarily increase the discharge opening.
This helps the foreign material pass through the crusher and reduces the risk of mechanical damage.
The hydraulic system can also assist with cavity clearing when material remains inside the crusher after an abnormal shutdown.
A single-cylinder cone crusher normally operates as part of a complete crushing and screening system.
A typical hard-rock crushing process is:
Vibrating Feeder → Jaw Crusher → Single-Cylinder Cone Crusher → Vibrating Screen → Finished Aggregate
For projects requiring two cone crushing stages:
Jaw Crusher → Secondary Cone Crusher → Fine Cone Crusher → Vibrating Screen
In a closed crushing circuit:
Cone Crusher → Vibrating Screen → Oversized Material Return → Cone Crusher
The vibrating screen separates qualified finished material from oversized particles.
Oversized material is returned to the crusher for additional crushing.
A Belt Conveyor is normally used to transfer material between the crushing and screening stages.
The final plant configuration should be determined according to:
LIPU SC series single-cylinder cone crushers are available in different models and crushing cavity configurations.
| Model | Cavities | Feeding Size （mm） | Maximum Feeding Size （mm） | Minimum Discharging Size （mm） | Power（kw） | Capacity （t/h） |
| SC100 | F1 | 150 | 120 | 10 | 90 | 45-135 |
| F2 | 90 | 70 | 10 | 43-118 | ||
| F3 | 38 | 30 | 4 | 25-40 | ||
| SC160 | F1 | 200 | 160 | 13 | 160 | 69-215 |
| F2 | 115 | 90 | 10 | 57-184 | ||
| F3 | 35 | 25 | 70-90 | |||
| SC250 | F1 | 240 | 190 | 16 | 250 | 116-396 |
| F2 | 140 | 110 | 13 | 97-346 | ||
| F3 | 70 | 55 | 9 | 90-251 | ||
| SC315 | F1 | 275 | 220 | 32 | 315 | 177-662 |
| F2 | 215 | 170 | 29 | 209-643 | ||
| F3 | 175 | 140 | 29 | 162-552 | ||
| F4 | 85 | 70 | 19 | 175-325 | ||
| SC560 | F1 | 300 | 240 | 22 | 560 | 448-1512 |
| F2 | 195 | 155 | 19 | 380-1373 | ||
| F3 | 90 | 70 | 13 | 357-912 | ||
| SC750 | F1 | 370 | 295 | 25 | 750 | 394-2181 |
| F2 | 300 | 240 | 19 | 342-2020 | ||
| F3 | 230 | 185 | 16 | 267-1814 | ||
| F4 | 120 | 95 | 13 | 248-1165 | ||
| F5 | 85 | 70 | 10 | 185-1170 |
Actual processing capacity may vary according to material hardness, feed gradation, abrasiveness, moisture, cavity configuration, discharge setting, crusher loading, and closed-circuit conditions.
Technical parameters should therefore be used for preliminary model selection.
Single-cylinder cone crusher selection should consider the complete crushing system rather than nominal capacity alone.
For preliminary model selection, please provide:
Important selection factors include:
Feed Size
The selected model and cavity must accept the largest particles discharged from the upstream crusher.
Required Product Size
Smaller final products normally require a finer cavity configuration and suitable discharge setting.
Required Capacity
Capacity changes with cavity type, feed gradation, discharge setting, and operating conditions.
Material Abrasiveness
Highly abrasive materials increase mantle and concave wear and should be considered when evaluating operating cost.
Closed-Circuit Load
Returned oversized material from the vibrating screen increases the actual load passing through the crusher.
Complete Crushing Circuit
The cone crusher should be selected together with feeding, primary crushing, screening, and conveying equipment.
For projects requiring a different hydraulic cone crusher configuration, a Multi-Cylinder Hydraulic Cone Crusher can also be evaluated according to the actual process requirements.
LIPU Heavy Industry provides crushing, screening, grinding, classification, and mineral processing equipment for mining, quarrying, and aggregate projects.
For single-cylinder cone crusher applications, LIPU can assist with:
For complete crushing plants, the cone crusher can be selected as part of the overall process rather than as an isolated machine.
What is a single-cylinder cone crusher used for?
A single-cylinder cone crusher is mainly used for secondary and tertiary crushing of hard and medium-hard rocks and ores in mining, quarrying, and aggregate production.
Is a single-cylinder cone crusher hydraulic?
Yes. Modern single-cylinder cone crushers typically use a single-cylinder hydraulic system for functions such as discharge adjustment, overload protection, and cavity clearing.
What materials can a single-cylinder cone crusher process?
Typical materials include granite, basalt, river pebble, quartzite, iron ore, copper ore, gold ore, and other hard or medium-hard materials.
How do I choose the correct crushing cavity?
Cavity selection depends on maximum feed size, required discharge size, capacity, upstream crusher discharge, and the complete crushing and screening circuit.
Can LIPU provide a complete hard-rock crushing plant?
Yes. LIPU can configure feeding, primary crushing, cone crushing, screening, conveying, and closed-circuit return equipment according to project requirements.
We provide a variety of mining and processing equipment, including feeders, rock crushers, grinders, classifying and screening machines, washing machines, gravity separators, flotation machines, magnetic separators, electric separators, dewatering equipment and laboratory mineral processing equipment.
