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What is the difference between a jaw crusher and an impact crusher?

2024-05-24 10:20:26
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There are significant differences between PE jaw crusher and PF impact crusher in many aspects, as follows:

1. Production line location and application:
PE jaw crusher is a commonly used primary crushing equipment, mainly used for coarse crushing. The fineness of the crushed materials is relatively large, usually below 300-350mm. The fine jaw crusher can also be used for medium or fine crushing.
PF impact crusher is a commonly used secondary or tertiary crushing equipment, mainly used for medium or fine crushing, and its discharge fineness is small.
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2. Production capacity:
• The production capacity of a jaw crusher is greater than that of an impact crusher. Generally speaking, the hourly output of a jaw crusher can reach 600-800t (depending on the manufacturer and product model), while the hourly output of an impact crusher is around 260-450t.
3. Discharge particle type:
• The particle shape of the material after the jaw crusher extrusion treatment is not ideal, and the content of needle pieces is high.
• Impact crusher is a product from the crushing equipment with a good particle shape and fewer edges and corners in the finished product. Its particle shape is better than that of a cone crusher. Therefore, in actual production, an impact crusher is usually configured after jaw crushing for further shaping.

Structure and working principle - jaw crusher

Structure and working principle - Jaw Crusher

The structure of the PE jaw crusher mainly consists of a frame, eccentric shaft, large pulley, flywheel, movable jaw, side guard plate, toggle plate, toggle plate rear seat, gap adjustment screw, return spring, fixed jaw plate, and movable jaw plate, etc. It has the characteristics of a simple structure, easy maintenance and use, stable performance, low operating cost, and a large crushing ratio.


Structure and working principle - imapct crusher

Structure and working principle - Impact Crusher

The working principle of the PF impact crusher is that the stone falls directly from the upper part of the machine into the high-speed rotating turntable. The material collides with the plate hammer on the rotor and collides and crushes the flying stone at high speed under the action of centrifugal force. The crushed material is counterattacked to The lining is broken again, creating multiple cycles. This crushing method makes the material into a cubic shape after crushing, and the particle shape is better.

5. Applicable materials:

• PE jaw crusher is suitable for many industries such as mining, smelting, construction, highways, railways, water conservancy, and chemical industries. It can handle various ores and rocks with large particle sizes and compressive strength not exceeding 320Mpa.

• PF impact crusher is suitable for medium and fine crushing of various medium-hardness materials with a compressive strength not higher than 100Mpa, such as limestone, clinker, etc. in industrial sectors such as mining, cement, construction, refractory materials, coal, and glass. , slag, coke, coal, etc.


To sum up, there are obvious differences between the PE jaw crusher and PF impact crusher in terms of production line location, production capacity, discharge particle shape, structure and working principle, and applicable materials. The choice of crusher depends on specific production needs and material characteristics.