CS Symons cone crusher is a high-performance cone crusher. It is a modern high-performance crusher designed and developed based on the principle of laminated crushing and the concept of more crushing and less grinding, based on the introduction and absorption of foreign technology, according to customer needs.
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• Multi-chamber selection: standard type (medium crushing), short head type (fine crushing), finished product particle size 3-50mm adjustable.
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Applicable materials (Protodyakonov hardness f = 5–16, compressive strength ≤ 350 MPa):
- Metal ores: iron ore, non-ferrous metal ores (copper, gold, lead-zinc, etc.)
- Hard rock / aggregate: granite, basalt, quartzite, sandstone, limestone, cobble / pebble, marble
- Industries: metal mining, metallurgy, chemical engineering, cement, construction, highway/railway ballast & aggregate production, construction waste recycling
- Secondary crushing (2nd stage): Standard coarse/medium cavity — larger feed opening, coarser product, takes output from a jaw crusher.
- Fine crushing / shaping (3rd stage): Short-head or standard fine cavity — smaller feed, finer and more cubical product.
- Small output (<100 t/h): CS75 / CS110
- Medium output (100–350 t/h): CS160 / CS220
- Large output (>500 t/h): CS250 / CS315, or multiple units in parallel
- For highly abrasive rocks (granite, basalt, iron ore), a cone crusher is the correct choice — do not rely on an impact crusher as secondary stage for hard rock.
- For medium-to-low hardness (limestone, recycled concrete), balance cost and choose accordingly.
4. Check feed size: The largest feed lump must not exceed the cavity's rated maximum feed size, otherwise it causes bridging, eccentric loading, and accelerated liner wear.
5. Auxiliary equipment: Pair with a jaw crusher for primary crushing, plus vibrating feeder, circular vibrating screen, and dust suppression. For hard-rock duty, consider upgraded units with hydraulic clearing and PLC control.
Symons Cone Crusher is widely used in the secondary and fine crushing of medium-hard and high-hardness ores, especially in the crushing of iron ore, copper ore, granite, basalt, etc. It is also an ideal equipment for the production of machine-made sand and the preparation of high-grade concrete aggregates.
Symons cone crusher adopts the classic mechanical structure of fixed main shaft + eccentric sleeve drive to ensure high stability and long life.
Crushing chamber: Provides a variety of chamber types, such as standard type and short head type, to adapt to different feed particle sizes (coarse crushing/medium crushing/fine crushing).
Main shaft system: Fixed main shaft design, through the rotation of the eccentric sleeve, drives the moving cone to swing in a circle to form a continuous crushing stroke.
Overload protection: Using mechanical springs or hydraulic devices, automatically unloading pressure when encountering unbreakable objects such as iron blocks to protect core components.
Lubrication system: Independent circulation oil circuit to reduce friction between gears and bearings to ensure stable operation under high temperature conditions.
| Model | Power (kw) | Diameter(mm) | Cavity Type | Adjusting Range of Discharge Opening（mm） | Max feeding size(mm) | Capacity (t/h) |
| CS75 | 75 | 900(3') | Coarse | 25-38 | 150 | 59-163 |
| Medium | 13-38 | 85 | 45-91 | |||
| Fine | 6-22 | 35 | 27-90 | |||
| CS110 | 110 | 1200(4') | Coarse | 15-50 | 180 | 110-250 |
| Medium | 10-38 | 130 | 80-180 | |||
| Fine | 10-31 | 90 | 63-140 | |||
| CS160 | 160 | 1295(4 1/4') | Coarse | 19-50 | 205 | 172-349 |
| Medium | 16-38 | 178 | 132-253 | |||
| Fine | 13-31 | 115 | 109-181 | |||
| CS220 | 220 | 1400(4 1/2') | Coarse | 30-60 | 235 | 210-530 |
| Medium | 22-45 | 180 | 180-475 | |||
| Fine | 19-40 | 100 | 130-260 | |||
| CS250 | 250 | 1650(5 1/2') | Coarse | 30-60 | 228 | 299-635 |
| Medium | 25-50 | 205 | 258-417 | |||
| Fine | 20-45 | 178 | 181-327 | |||
| CS315 | 315 | 2135(7') | Coarse | 31-64 | 314 | 1125-1814 |
| Medium | 25-51 | 284 | 862-1424 | |||
| Fine | 19-38 | 236 | 544-1034 |
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The CS Symons cone crusher is a "semi-spring, semi-hydraulic" design. It retains the classic Symons spring relief system (simple, reliable, cost-effective) while some models add hydraulic cavity clearing and CSS adjustment. Compared with a pure spring crusher, CSS adjustment is easier; compared with full hydraulic single- or multi-cylinder cone crushers, it is cheaper and simpler to maintain, but offers less automation and slightly less precise tramp-iron protection. It suits cost-sensitive, stable secondary/fine crushing operations.
Yes. It is specifically designed for ores and rocks with Protodyakonov hardness f = 5–16 and compressive strength up to 350 MPa. Granite, basalt, cobble, and iron ore are its typical applications. For hard rock, choose manganese-steel or alloy liners and prefer the short-head cavity for better cubical shaping.
It depends on the crushing stage. The standard cavity has a short parallel zone and large feed opening — used for secondary crushing with a coarser product. The short-head cavity has a longer parallel zone and smaller feed opening — used for fine crushing and aggregate shaping with a finer, more uniform product. A typical aggregate line is: jaw crusher (primary) → CS standard cavity (secondary) → CS short-head or VSI sand maker (fine).
The spring relief system compresses, the discharge opening temporarily widens, and the object is ejected before the crusher automatically resets — protecting the shaft, gears, and frame. This is a classic feature of Symons cone crushers. However, frequent tramp iron still accelerates spring and liner wear, so install an electromagnetic separator over the feed conveyor.
The main wear parts are the mantle (moving cone liner) and concave (fixed bowl liner), followed by the eccentric bush, socket liner, gears, and springs. Liner life ranges from several months to over a year depending on material hardness, feed size, and throughput; hard rock wears them faster. Choke/laminar feeding, even distribution, and minimizing tramp iron all extend liner life.
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