As an efficient, energy-saving, and environmentally friendly crushing equipment, a high-efficiency fine crusher is widely used in many fields. Its stable operating performance, large production capacity and wide range of applications make it a popular product in the market.
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High-efficiency fine crusher, also known as fine crusher, new fine crusher, or third-generation sand-making machine, has reached the international leading level in performance and is the most effective, practical, and reliable stone crushing machine.
Also known as the new fine crusher or third-generation sand making machine, the high-efficiency fine crusher is an impact crushing equipment. It serves as the core fine crushing machine in sand and aggregate production lines.
It is used for fine processing of stones pre-crushed by jaw crushers or cone crushers. Qualified manufactured sand can be produced in a single pass. This machine is widely applied in artificial sand production and stone shaping.
There are 8 models available in the PCX series, with motor power ranging from 45kW to 315kW. It can be flexibly matched to small & medium production lines as well as large high-capacity crushing stations, delivering strong adaptability.
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This machine is designed for medium and high hardness materials. It mainly handles three common stone types and supports various special materials, with obvious capacity differences across different feedstocks.
Limestone is the best-suited material with the highest throughput. The PCX1616 model reaches 190–250 t/h for limestone, while the PCX1818 can hit 280–310 t/h. Limestone production lines should select models based on limestone working condition parameters.
These hard, abrasive materials place heavy wear on spare parts. Equipped with metal impact crushing structure and high manganese steel liners, the crusher delivers reliable crushing and stone shaping performance for hard rock.
It can perform fine finishing processing on construction waste, chemical raw materials, and pharmaceutical intermediates. Its main function is to optimise particle shape and precisely control final grain size, rather than merely reducing material size.
Fine crushers are widely used in many fields, including mining, metallurgy, construction, chemical industry, pharmaceuticals, food, etc., and are used to process various ores, rocks, construction waste, chemical raw materials, pharmaceutical intermediates and other materials.
1. High-Speed Projection and Kinetic Energy Acceleration
The material enters the crushing chamber, is captured by the high-speed rotor, and is violently accelerated, then projected at high speed along the tangential direction.
2. First Stage Crushing: Stone-on-Metal Impact
The material impacts the upper impact liner at high speed, achieving powerful initial crushing. This stone-on-metal process is the main crushing mechanism and is suitable for processing medium to high-hardness materials.
3. Material Collision: Stone-on-Stone Shaping
The rebounding material collides with subsequent material at high speed within the chamber, resulting in secondary stone-on-stone crushing and shaping. The finished product has excellent particle shape and extremely low needle-like and flaky content.
4. Cyclic Screening and Qualified Discharge
The material undergoes multiple impacts and collisions within the chamber, and its particle size gradually decreases. Qualified material is discharged from the bottom, while unqualified material continues to be crushed in a cycle until it meets the specifications.
| Model | Feeder Opening Size（mm） | Feeding SIze（mm） | Output SIze（mm） | Capacity of Cement（t/h） | Capacity of Limestone（t/h） | Motor Power（kw） |
| PCX8040 | 400x500 | ≤120 | ≤3(85%) | 20-30 | 35-45 | 45 |
| PCX8060 | 600x500 | ≤180 | ≤3(85%) | 35-40 | 45-55 | 55 |
| PCX8080 | 800x500 | ≤180 | ≤3(85%) | 35-40 | 55-65 | 55 |
| PCX1010 | 1000x560 | ≤180 | ≤3(85%) | 45-55 | 65-75 | 75 |
| PCX1212 | 1200x680 | ≤180 | ≤5(85%) | 90-100 | 100-110 | 132 |
| PCX1414 | 1400x780 | ≤190 | ≤5(85%) | 100-150 | 100-150 | 200 |
| PCX1616 | 1600x930 | ≤190 | ≤5(85%) | 170-210 | 190-250 | 250 |
| PCX1818 | 1800x1000 | ≤190 | ≤5(85%) | 250-270 | 280-310 | 315 |
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A1: It is a tertiary impact crusher for sand and aggregate production. It processes pre-crushed stones from jaw/cone crushers to produce cubical manufactured sand, widely used for stone shaping, artificial sand making, construction waste recycling and fine grinding of ores.
A2: It is suitable for medium and high hardness materials including limestone, granite, river pebbles, various ores, construction waste, chemical raw materials and pharmaceutical intermediates. It works best for materials requiring good particle shape.
A3: The throughput ranges from 20 t/h to 270 t/h, depending on material type, feed size and selected PCX model. Limestone achieves the highest output, while hard rocks like granite get relatively lower capacity.
A4: The maximum feed size is up to 190 mm. Raw materials need to be pre-crushed by primary or secondary crushers before entering the fine crusher.
A5: Three key factors for model selection: feed particle size, required finished sand fineness, and hourly production capacity. Our engineer will recommend the proper model according to your working conditions.
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