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反击式破碎机是一种利用冲击能来破碎物料的破碎机械。当矿石进入破碎腔后即受到高速回转的锤头之冲击而进行选择性破碎；矿石从冲击过程中获得巨大的动能，并以高速抛向第一级
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The impact crusher is a crushing machine that uses impact energy to break materials.When the ore enters the crushing chamber, it is crushed selectively by the impact of the high speed rotary hammer head；The ore gains great kinetic energy from the impact process and throws to the first stage counterattack plate at high speed. Due to the counterattack effect of the counterattack plate, the ore is broken again, and the ore rebounded by the counterattack plate is impacted by the hammer head again, and the above crushing process is repeated.The broken ore is then also thrown at high speed to the second counterattack plate, further crushing.In this way, the ore after the hammer head, the counterattack plate and the mutual collision between the ore, along its own joint surface will produce cracks, loose and broken;When the size is smaller than the gap between the hammer head and the counter plate, it is removed from the lower part of the equipment.
structural composition:
The impact crusher is mainly composed of a frame, a transmission mechanism, a rotor, a hammer head, and an impact plate. Its main structural features are as follows:
★Frame: the frame is composed of upper and lower parts, which are connected by bolts.In the frame, all parts that contact broken materials are provided with replaceable lining board, and chain curtain is set at the feeding port to play a role of safety protection;
★Transmission mechanism: the motor drives the spindle and rotor through belt transmission for high-speed rotary motion;
★Rotor: the whole cast steel structure, with a large mass, and durable, also easy to install the hammer head;
★Counter plate: it is made of new wear resistant material, hanging freely inside the equipment;
★Hammer head: it is made of new wear-resistant material, fixed on the rotor by wedges.
The machine works under the drive of the motor, the rotor high-speed rotation, the material enters into the hammer function area, and the rotor plate hammer impact crushing, and then again to counter device is broken, and then back to the board from the back plate hammer function area is broken again, this process is repeated, material from big to small into one, two, three, back cavity repeated broken, until the material being broken to the required size, is being exhausted from port discharge.Adjusting the clearance between the counter frame and the rotor can change the size and shape of the material.
| 型号 | 规格(mm) | 进料口尺寸(mm) | 大进料尺寸(mm) | 处理能力(t/h) | 电机功率(kw) | 重量(t) |
| PF-0607 | Φ664×740 | 320×770 | 100 | 10-20 | 30 | 4.3 |
| PF-0807 | Φ850×700 | 400×730 | 300 | 15-30 | 45 | 6.5 |
| PF-1008 | Φ1000×800 | 400×830 | 300 | 30-50 | 55 | 10.5 |
| PF-1010 | Φ1000×1050 | 400×1080 | 350 | 50-80 | 75 | 12.5 |
| PF-1210 | Φ1250×1050 | 400×1080 | 350 | 70-120 | 110 | 15.8 |
| PF-1214 | Φ1250×1400 | 400×1430 | 350 | 130-180 | 132 | 19.8 |
| PF-1315 | Φ1320×1500 | 860×1520 | 500 | 160-250 | 200 | 24 |
Counterattack crusher adopts new manufacturing technology, unique structure design, processing of finished a cube, no tension and crack, grain forms a good, can handle size is not more than 120-500 - mm, compression strength no more than 320 million of all kinds of coarse, medium and fine material ore and rock, granite, limestone, concrete, etc.), widely used in water and electricity, expressway, manual ballast, crushing, etc.This series of counterattack crushing structure is unique, equipped with high chromium plate hammer, unique counterattack lining;Suitable for hard rock crushing, high efficiency and energy saving;The size of the discharge particle can be adjusted, can simplify the crushing process, and has the advantages of large crushing ratio, high crushing efficiency, cube shape and selective crushing.
