In the mining, construction and aggregate processing industries, the primary crushing link serves as the foundation of the entire production line. As a classic and reliable primary crushing equipment, the PE jaw crusher has gained wide recognition from global customers for its stable performance, high crushing efficiency and wide application range. It delivers excellent operating performance in the crushing of hard rock in mines, aggregate production at construction sites, and construction waste recycling, becoming a core piece of equipment for enterprises to improve production efficiency and reduce operating costs.
Structural Composition of PE Jaw Crusher: Why It Is the Preferred Equipment for Production Lines
The PE series jaw crusher is mainly composed of the frame, eccentric shaft, large pulley, flywheel, movable jaw, side guard plate, toggle plate, toggle plate rear seat, gap adjusting screw, return spring, fixed jaw plate and movable jaw plate. The core components are made of ultra-high manganese steel castings to extend service life. Among them, the toggle plate also functions as a safety component; when the machine is overloaded, the toggle plate is designed to break automatically to protect the main unit.
In the process of crushing huge stones into small ones, the first crusher is usually referred to as the "primary" crusher. When feeding the jaw crusher, materials are poured from the top inlet into the crushing chamber fitted with jaw teeth. The jaw teeth exert tremendous force to push materials against the chamber wall, crushing them into smaller stones. The movement of the jaw teeth is driven by an eccentric shaft running through the machine frame. The eccentric motion is generally generated by flywheels fixed at both ends of the shaft. Spherical roller bearings are commonly adopted for the flywheels and eccentric support bearings, which operate under extremely harsh working conditions. The bearings have to withstand huge impact loads, abrasive sewage and high temperatures. Despite the harsh operating environment, the jaw crusher is required to operate with high reliability, which is a key factor in ensuring production efficiency.
What Is a PE Jaw Crusher? Core Definition and Working Principle
The PE series jaw crusher adopts a curved motion compression crushing method. The motor drives the belt and pulley, and the eccentric shaft makes the movable jaw move up and down. When the movable jaw rises, the angle between the toggle plate and the movable jaw increases, pushing the movable jaw plate close to the fixed jaw plate. Meanwhile, materials undergo multiple crushing processes including extrusion, rubbing and grinding. When the movable jaw descends, the angle between the toggle plate and the movable jaw decreases. Under the action of the pull rod and spring, the movable jaw plate moves away from the fixed jaw plate, and the crushed materials are discharged from the lower opening of the crushing chamber. With the continuous rotation of the motor, the movable jaw of the crusher performs periodic crushing and discharging to realize mass production.
Application Scenarios of PE Jaw Crusher: Covering Multiple Industries
1. Mining Industry
In the mineral processing flow of mines, the PE jaw crusher acts as primary crushing equipment to crush large raw ores such as iron ore, copper ore and gold ore into fine materials suitable for secondary crushing equipment. It reduces the load of subsequent grinding procedures and equipment wear, making it a cost-effective standard configuration for ore processing production lines.
2. Construction Aggregate Production
In sand and aggregate production, it can crush raw materials such as river pebbles, limestone and quartz stone into qualified aggregates for concrete, asphalt and building masonry. For instance, the Guizhou Expressway Stone Material Production Base adopts the PE900×1200 jaw crusher matched with follow-up equipment, achieving a daily output of 3,000 cubic meters, which fully guarantees the quality and capacity of aggregates required for highway construction.
3. Highway and Railway Construction
Highway and railway infrastructure construction imposes strict requirements on the grade and specification of aggregates. Featuring stable performance and uniform finished particle size, the PE jaw crusher can provide high-quality aggregates for roadbed filling, bridge construction and tunnel engineering. Key projects including the Jinan Section of Beijing-Shanghai Expressway and the Luoyang Section of Lianhuo Expressway all select the PE jaw crusher as the primary crushing main equipment.
4. Construction Waste Recycling
The resource utilization of construction waste has become an industry trend. The PE jaw crusher can crush construction waste such as concrete blocks and waste bricks into recycled aggregates, which are applied to roadbed cushioning, foundation pit backfilling and new building material production. It realizes the recycling of construction waste and reduces environmental pollution.
5. Other Industries
In addition to the above fields, the equipment is also widely used in chemical industry, cement production, power plant desulfurization, quartz sand processing and other industries, providing reliable solutions for the crushing and processing of various materials.
PE Jaw Crusher Models and Selection Guide
| Model | Feed Opening (mm) | Max. Feed Size (mm) | Discharge Range (mm) | Capacity (t/h) | Eccentric Shaft Speed (r/min) | Motor Power (kW) | Overall Dimensions (L×W×H) (mm) |
|---|---|---|---|---|---|---|---|
| PE 150×250 | 150×250 | 125 | 10-40 | 1-3 | 268 | 4P 5.5 | 760×700×860 |
| PE 200×300 | 200×300 | 180 | 15-50 | 2-6 | 260 | 4P 7.5 | 915×780×990 |
| PE 200×350 | 200×350 | 180 | 18-60 | 3-10 | 276 | 4P 11 | 1000×914×1112 |
| PE 250×400 | 250×400 | 210 | 20-70 | 5-21 | 300 | 6P 15 | 1100×1032×1285 |
| PE 400×600 | 400×600 | 340 | 40-100 | 16-64 | 270 | 6P 30 | 1623×1736×1615 |
| PE 500×750 | 500×750 | 425 | 50-100 | 40-110 | 268 | 6P 55 | 1920×1850×1920 |
| PE 600×750 | 600×750 | 500 | 150-200 | 80-240 | 268 | 6P 55 | 2020×1850×1920 |
| PE 600×900 | 600×900 | 500 | 65-160 | 50-160 | 254 | 6P 55 | 2530×1900×2340 |
| PE 750×1060 | 750×1060 | 630 | 80-180 | 110-320 | 245 | 8P 110 | 2680×2380×2785 |
| PE 900×1200 | 900×1200 | 750 | 100-200 | 220-380 | 208 | 8P 110 | 3470×2876×3330 |
| PE 1200×1500 | 1200×1500 | 1020 | 150-350 | 400-1000 | 180 | 8P 160-245 | 4850×3220×3680 |
| PE 1500×1800 | 1500×1800 | 1200 | 220-350 | 500-1200 | 180 | 8P 280-380 | 5160×3660×4248 |
| PEX 150×750 | 150×750 | 120 | 18-48 | 8-25 | 320 | 4P 15 | 1170×1575×1030 |
| PEX 250×750 | 250×750 | 210 | 25-60 | 13-35 | 320 | 6P 22 | 1550×1730×1470 |
| PEX 250×1000 | 250×1000 | 210 | 25-60 | 16-52 | 330 | 6P 30 | 1580×2006×1390 |
| PEX 250×1200 | 250×1200 | 210 | 25-60 | 20-61 | 330 | 6P 37 | 1780×2214×1430 |
| PEX 300×1300 | 300×1300 | 250 | 20-90 | 16-105 | 300 | 6P 55 | 2210×2320×1723 |
How to Effectively Extend the Service Life of a PE Jaw Crusher
| Maintenance Item | Operational Requirements |
| Periodic Lubrication | Regularly inspect the lubrication system, replenish lubricating oil in a timely manner to ensure full lubrication of core components such as eccentric shaft and bearings, reduce friction loss. |
| Inspection of Wear Parts | Periodically check the wear condition of wear-prone components such as jaw plates, side guard plates, and toggle plates. Replace immediately if severely worn to avoid affecting crushing performance and equipment lifespan. |
| Standardized Operation | Strictly follow equipment operating procedures. Do not feed oversized or excessively hard materials to prevent equipment jamming or damage. |
| Routine Inspection | Regularly check bolt tightness, motor operating status, and frame stability. Address potential faults promptly to prevent major equipment failures. |
Choose Shanghai Cronus PE Jaw Crushers: A Trusted Partner in the Crushing Industry
Shanghai Cronus is a specialized equipment manufacturer with extensive experience in the R&D, production, and sales of PE jaw crushers. We are renowned for our reliable product quality and comprehensive after-sales service system. We provide customized solutions tailored to our clients' specific needs—covering the entire lifecycle from model selection, equipment installation, and commissioning to ongoing after-sales maintenance—thereby ensuring that our equipment delivers optimal operational performance.
For detailed information regarding specific PE jaw crusher models, technical specifications, pricing, or project case studies, please contact Cronus immediately. Our professional team is ready to provide you with personalized one-on-one consultations and comprehensive, one-stop service solutions!
