PEX Secondary Jaw Crusher for Fine & Medium Crushing
A PEX secondary jaw crusher is a specialized machine designed for the second stage of crushing. First of all, it takes the output from a primary crusher (typically 100-300mm) and reduces it to a finer, uniform size (10-40mm). Unlike primary jaw crushers, the PEX series features a smaller feed opening and a finer discharge adjustment mechanism. Therefore, it is the ideal equipment for preparing feed material for ball mills, rod mills, or final aggregate screening.
PEX Jaw Crusher Pictures
Working Principle: How Does a Jaw Crusher Crush Rock?
The jaw crusher operates on a simple but highly effective principle:
Motor-Driven Eccentric Shaft: An electric motor drives the belt and pulley, making the movable jaw move up and down along a regulated track.
Compression Crushing: When the movable jaw pushes against the fixed jaw, the material is crushed by compression and bending forces.
Discharge: When the movable jaw retreats, the crushed material is discharged from the bottom opening. The discharge opening can be adjusted via a gasket to control the final product size.
Consequently, this mechanical process achieves a high crushing ratio and uniform final product size.
Key Features of Our PEX Secondary Jaw Crusher
Finer Discharge Adjustment: Equipped with a reliable gasket adjustment system to precisely control the output size from 10mm to 40mm.
Uniform Product Shape: The compression action produces a more cubical and uniform product, ideal for downstream processing.
Compact Design: Smaller footprint compared to primary crushers, making it easy to integrate into existing production lines.
Robust Structure: Built with high-strength steel and high-manganese jaw plates for maximum durability.
Reliable Lubrication System: Safe and reliable, with easy replacement of spare parts.
PEX Series Technical Specifications
| Model | Feed Opening (mm) | Max. Feed Size (mm) | Discharge Range (mm) | Capacity (t/h) | Motor Power (kW) |
|---|---|---|---|---|---|
| PEX-150×750 | 150×750 | 120 | 18-48 | 8-25 | 15 |
| PEX-250×750 | 250×750 | 210 | 25-60 | 13-35 | 22 |
| PEX-250×1000 | 250×1000 | 210 | 25-60 | 16-52 | 30 |
| PEX-250×1200 | 250×1200 | 210 | 25-60 | 20-65 | 37 |
| PEX-300×1300 | 300×1300 | 250 | 20-90 | 20-90 | 55 |
PE + PEX Configuration: Building a Complete Crushing Circuit
To achieve the best results, a complete crushing circuit usually combines a primary and secondary crusher. First of all, large rocks are fed into a PE Primary Jaw Crusher for coarse crushing. Subsequently, the output is transferred via a belt conveyor to the PEX Secondary Jaw Crusher for fine crushing. Finally, the uniformly crushed material is sent to a vibrating screen or ball mill. This two-stage configuration ensures high efficiency and prevents overloading any single machine.
👉 Need a Primary Crusher First? Explore our PE Primary Jaw Crusher
Frequently Asked Questions
Q: What is the difference between PE and PEX jaw crushers?
A: PE series is designed for primary (coarse) crushing with a large feed opening, while PEX series is designed for secondary (fine) crushing, producing a smaller, more uniform discharge.
Q: What is the maximum output fineness of the PEX crusher?
A: Depending on the model and setting, the PEX crusher can produce a discharge size as fine as 10mm to 20mm.
Q: Can the PEX crusher be used as a primary crusher?
A: No, the PEX series has a smaller feed opening and is designed for materials already reduced by a primary crusher.
