Background and Development
The concept of the jaw crusher dates back to the mid-19th century, but as mining and construction materials grew in scale and complexity, there was a clear need for equipment that could handle tough conditions without sacrificing output or uptime. Talented engineers responded with the CJ211-a crusher built for durability and precision.
Key Features
The CJ211 is fitted with a deep symmetrical crushing chamber and an optimized nip angle, ensuring high reduction ratios and uniform product size. Its single-toggle jaw design minimizes maintenance requirements while delivering consistent performance. The crusher body is made from heavy-duty, stress-relieved steel and designed for both strength and long service life.
Advantages
The CJ211 is its compact footprint combined with high productivity, making it ideal for installations where space is limited but output must remain high. The unit is also designed for easy access to all maintenance and service points, reducing downtime and operational costs.
Other key benefits include:
High capacity and performance with low operating costs.
Hydraulic wedge setting adjustment for quick and safe jaw setting changes.
Integrated motor mount for easy installation.
Lubrication-free toggle plate and a jaw plate locking system.
Suitable for a wide range of materials, from soft limestone to the hardest granite.
How the CJ211 Differs from Other Jaw Crushers
Firstly, while many traditional jaw crushers use a double-toggle mechanism, the CJ211 features a single-toggle design. This reduces mechanical complexity, lowers maintenance needs, and increases energy efficiency without compromising crushing performance.
Another key difference is its hydraulic wedge setting system. Unlike older crushers that require manual shim adjustments to change the closed side setting (CSS), the CJ211 allows fast, safe, and precise adjustments-minimizing downtime and improving operational control.
The CJ211 also excels in structural integrity. Its welded frame is stress-relieved and built from heavy-duty steel, providing higher durability compared to bolted-frame crushers, which may suffer from loosening and cracking over time under heavy loads.
Lastly, advanced jaw design includes optimized geometry and a deep crushing chamber that ensures a more consistent product size and better throughput. This is often a challenge in standard crushers, where uneven wear and inefficient nip angles can lead to poor fragmentation.
Technical Specifications
|
Parameter |
Value |
|
Feed Opening |
1100 mm x 700 mm |
|
Max. Feed Size |
630 mm |
|
CSS Range |
60 – 200 mm |
|
Capacity (up to) |
490 tph |
|
Motor Power |
90 kW (120 hp) |
|
Weight (excl. motor) |
Approx. 14,300 kg |
|
Flywheel Weight |
850 kg |
|
Jaw Plate Type |
Reversible, high-manganese steel |
Conclusion
CJ211 is both versatile and powerful, designed to meet the operational and environmental challenges of today's mineral extraction and material processing industries. Whether installed in a fixed plant or part of a modular system, the CJ211 continues to prove its value in high-demand production environments worldwide.
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