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Impact crusher is widely used in the production of high grade stone materials used in highway, hydropower, artificial sand and stone, crushing, construction and other industries with its excellent performance.
This series impact crusher is able to crush coarse, medium and fine materials such as granite, limestone and concrete whose feeding granularity does not exceed 500mm and compression strength does not exceed 350MPa in many industries such as ore crushing, railway, highway, energy, cement, chemistry and constriction. The size of the discharging granularity is adjustable, and the crushing specifications are diverse.
Impact crusher can be used in primary and secondary crushing. They are suitable for crushing medium-hardness materials, such as limestone, construction wastes (concrete wastes, asphalt wastes, brick wastes, etc.).
An impact crusher’s core is the rotor, fitted with rigidly attached hammers. Driven by the transmission, the fast-spinning rotor uses its inertia, via the hammers, to forcefully strike and shatter material. Secondary crushing occurs when the material hits the specifically designed impact plates within the crushing chamber, which provides space for this action. The entire assembly is supported by a robust frame that handles the operational forces, ensuring stability. Finally, discharge size adjustment devices allow users to control the final particle size of the crushed material to meet different production needs.
When the impact crusher is working, the motor drives the rotor through the V-belt, and the material is crushed by the high-speed impact of the hammer and is thrown to the impact bracket to break again, and then bounce from the impact surface to the impact area of the hammer again. This process is repeated until the material is crushed to the required size. The material flows from the first feed port to the first crushing chamber, and then into the second crushing chamber. When the crushed ore particle size is smaller than the gap between the hammer head and the impact plate, it will be discharged . This machine adopts a self-weight safety device on the rear rack. When the non-broken objects enter , the front and rear counter-attack frames will retreat, and the non-broken objects will be discharged from the machine body.
| Type | Feeder opening size(mm) | Max feeding size(mm) | Rotor size D*L(mm) | Capacity(t/h) | Power(kw) | Overall Dimension (mm*mm*mm) |
| PF-1007 | 450X750 | 250 | Φ1000X700 | 10-60 | 45 | 2330*1700*2560 |
| PF-1010 | 450X1100 | 300 | Φ1000X1050 | 50-90 | 55 | 2330*2010*2560 |
| PF-1210 | 450X1100 | 300 | Φ1250X1050 | 70-130 | 90 | 2640*2010*2850 |
| PF-1214 | 450X1450 | 350 | Φ1250X1400 | 90-180 | 132 | 2640*2400*2850 |
| PF-1315 | 650X1500 | 350 | Φ1320X1500 | 120-250 | 160-200 | 2930*2670*3150 |
| Type | Feeder opening size(mm) | Feed side length(mm) | Processing capability(t/h) | Power(kw) | weights (kg) |
| LF-150 | 820X980 | 100-200 | 100-200 | 90-200 | 12000 |
| LF-250 | 960X1360 | 200-400 | 200-400 | 180-250 | 17000 |
| LF-350 | 1050X1700 | 300-500 | 300-500 | 200-400 | 24000 |
Answer: Key factors influencing separation include the table’s motion (stroke and frequency), water volume and slope, feed rate and concentration, and the feed material’s particle size and shape. Proper adjustment of these factors is critical for efficient separation. The table’s longitudinal and transverse slopes must be precisely controlled. The feed concentration should also be appropriate, typically 20-30% for coarse minerals and 15-25% for fine minerals.
Answer: Operation involves observing the bed surface and adjusting the slope, water flow, and feed rate. Regular maintenance includes checking for loose parts, lubricating moving components, inspecting for wear, and cleaning the table surface. Preventative maintenance should be performed regularly, with intervals ranging from every month to once a year.
Answer: Common issues can include table shaking or choppy cuts, uneven material distribution, or poor separation. Troubleshooting may involve checking for loose bolts, damaged springs, or misalignment, adjusting belt tension, inspecting electrical components, and ensuring proper lubrication. If there’s unusual noise, identify the source and eliminate the problem.
Answer:
Advantages: Shaking tables offer high enrichment ratios, are relatively simple to operate, and produce visible separation zones, allowing for easy adjustment and monitoring. They are suitable for a wide range of particle sizes and densities.
Disadvantages: They typically have lower throughput capacity compared to some other methods like jigs or spirals. They also require a relatively large footprint and consume a significant amount of water.
Answer: The selection depends on the material being processed, the desired throughput, and the particle size range. Factors to consider include the deck area, stroke length, and riffle design. Consulting with a manufacturer or expert is recommended to determine the optimal configuration.
