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Six Aspects to Distinguish Jaw Crusher and Impact Crusher

Jaw crusher machine and impact crusher machine are commonly equipment in the crushing market, but many people may have a little understanding of them. Especially friends who are new to this industry, don’t understand the difference between them. Today we have six aspects to distinguish jaw crusher and impact crusher in practical applications.

Daswell jaw crusher
Daswell jaw crusher in the production line

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The obvious difference between jaw crusher and impact crusher is the difference in structure and working principle. The working method of the former is curved extrusion type, and the material is crushed in the crushing cavity composed of movable jaw and fixed jaw. The impact crusher adopts the principle of impact crushing. The material is repeatedly impacted and broken between the rotor and the counterattack plate. Below we focus on the analysis of their differences in actual production:

Application

PEjaw crusher
PE500*750 jaw crusher

Material hardness: The jaw crusher can crush all kinds of soft and hard materials, and the compressive strength is between 300-350Mpa. The impact crusher is suitable for crushing materials with low toughness and brittle materials with medium hardness and below, such as limestone and limestone. If the material is hard, it will cause great damage to the wearing parts and shorten the service life.

Material size: Jaw crushers are generally for crushing large pieces of material, and can allow ore less than 1m to enter. The specific situation depends on the equipment model and manufacturer. There are more applications in mines and sand quarries. The impact crusher is mostly for processing some small and medium-sized materials, and the allowable feed size range is not as wide as the jaw crusher.

Model Size of Feed opening (mm) Max. feeding size (mm) Adjustable Size of Discharge Opening (mm) Capacity (t/h) Power (kw)
PE150*250 150*250 125 10-40 1-3 5.5
PE150*750 150*750 125 18-48 8-25 15
PE250*400 250*400 210 20-60 5-20 15
PE400*600 400*600 340 40-100 16-65 30
PE500*750 500*750 425 50-100 45-100 55

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Different production line locations

As we all know, in the production line of crushing, sand making, ore dressing, etc., jaw crusher is a common primary crushing equipment for coarse crushing. Impact crusher is a commonly secondary or tertiary crushing equipment, used for medium or fine crushing.
PF-1320 impact
PF-1320 impact crusher

Model Specification Feed opening size (mm) Feeding size (mm) Capacity (t/h) Power (kw) Overall dimension (mm)
PF-1315 φ1320×1500 550×1530 ≤350 130-280 185 2930×2761×3053
PF-1320 φ1320×2000 610×1900 ≤500 180-400 220 3224×3175×2706
PF-1820 φ1800×2000 1260×2040 ≤800 600-800 630-710 4400×3866×4009

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Different production capacity

In general, the capacity of jaw crusher is greater than that of impact crusher. Generally speaking, the output of jaw crusher can reach 600-800t per hour. The hourly output of impact crusher is about 260-450t.

Different discharging fineness

PE9001200 jaw crusher machine
PE9001200 jaw crusher
The jaw crusher is a coarse crusher, and its discharge fineness is relatively large, generally below 300-350mm. As the impact crusher is a medium crusher or a fine crusher, the fineness of the discharge is of course small. It should be noted that due to different material properties, the fineness of the equipment will also have errors.

Model Size of Feed opening (mm) Max. feeding size (mm) Adjustable Size of Discharge Opening (mm) Capacity (t/h) Power (kw)
PE600*900 600*900 500 65-160 60-160 75
PE750*1060 750*1060 630 80-160 110-320 110
PE800*1060 800*1060 640 130-190 130-330 110
PE900*1200 900*1200 750 95-210 220-450 132
PE1000*1200 1000*1200 850 200-300 280-560 160
PE1200*1500 1200*1500 1020 150-300 400-800 220

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Different discharging grain types

The shape of the material after jaw crushing is not ideal, and the content of needle pieces is high. The impact crusher has good shape of the discharged material and less edges and corners of the finished product. Its grain shape is also better than cone crusher.

Therefore, in actual production, the impact crusher usually configures after the jaw crushing for further shaping. The two crushers are also common collocations in crushing production lines.

PF-1820 impact
PF-1820 impact crusher machine
PF-1315 impactor
PF-1315 impact crushing machine

Model Specification Feed opening size (mm) Feeding size (mm) Capacity (t/h) Power (kw) Overall dimension (mm)
PF-1315 φ1320×1500 550×1530 ≤350 130-280 185 2930×2761×3053
PF-1320 φ1320×2000 610×1900 ≤500 180-400 220 3224×3175×2706
PF-1820 φ1800×2000 1260×2040 ≤800 600-800 630-710 4400×3866×4009

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Different in price

Generally speaking, the sales volume and transaction volume of jaw crusher sold by many manufacturers are higher. And the main reason is the price. Secondly, the jaw crusher is a more traditional crushing equipment. And it can meet the user’s application requirements in terms of performance, quality, and power consumption. Such a cost-effective device is easier to attract users’ attention.

PE870 1060 jaw crusher
PE870 1060 jaw crusher machine
PEX300 1300 Jaw crusher
PEX300 1300 Jaw crusher machine

PE1500*1800 1500*1800 1200 210-360 520-1100 280
PEX250*750 250*750 210 25-60 13-35 22
PEX250*1000 250*1000 210 25-60 16-52 30
PEX250*1200 250*1200 210 25-60 20-65 37
PEX300*1300 300*1300 210 25-90 30-105 55

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The jaw crusher mentioned in this article is mainly the coarse jaw crusher. For fine jaw crusher, it is mainly as medium crushing equipment along with cone crusher, counterattack crusher, hammer crusher, etc. In summary, when selecting crushing equipment, users should configure them reasonably according to production requirements. So as to obtain ideal production capacity and benefits.

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