Jaw Crusher or Hammer Crusher,Which is Better?

Posted: 2023-06-13

• The difference between jaw crusher and hammer crusher

  The jaw and the hammer are the most common types of crusher when we break the stone, there are often people on the Internet to inquire about the difference between the jaw crusher and the hammer crusher, to understand this problem, we must first understand the difference between the jaw and the hammer:
   

  1.Looks and works differently

   
   
  Technicians who know these two devices can tell the difference from the appearance, and the working principle is very different:
   

  1.1Jaw crusher

  The working mode of the crusher is extrusion type. The specific working principle is: the motor drives the belt and pulley, the eccentric shaft makes the moving jaw move up and down, when the moving jaw rises, the Angle between the elbow plate and the moving jaw becomes larger, thus pushing the moving jaw plate close to the fixed jaw plate, and crushing or splitting the material at the same time to achieve the purpose of crushing; When the moving jaw drops, the Angle between the elbow plate and the moving jaw becomes smaller, the moving jaw plate leaves the jaw plate under the action of the pull rod and the spring, and the broken material is discharged from the lower discharge port of the jaw crusher.
  
   
   

  1.2Hammer crusher

  The working mode of hammer crusher is impact type. When the hammer crusher is working, the motor drives the rotor to rotate at high speed, the material evenly enters the crusher chamber, the impact of the high-speed rotating hammer, the shear tearing material breaks the material, and the gravity action of the material itself makes the material rush from the high-speed rotating hammer head to the baffle and screen rod in the frame, and the material larger than the size of the sieve cylinder remains on the sieve plate and continues to be hammered and crushed. After crushing to the required discharge particle size, finally through the sieve plate out of the machine.
   
   

  2.Different broken materials

  Jaw crusher can break a variety of soft and hard materials, compressive strength between 300-350Mpa, such as: granite, quartz stone, diabase, river pebbles, iron ore .etc
  Hammer crusher is mainly used to break the hardness is not high ore, compressive strength is generally less than 200Mpa, such as: limestone, bluestone, coal gangue .etc

   
  3. Different discharge adjustment methods

  The adjustment of the discharge particle size of the hammer crusher is achieved by replacing the bottom sieve plate.
  Jaw crusher adjustment mode choice more, there are plate adjustment, wedge adjustment, hydraulic cylinder three.
   
  4. Different production line configuration
  
  Generally speaking, the abrasive hardness of the jaw crusher is high, the debris content in the discharge is relatively high, and the impact crusher needs to be used for secondary processing, so we often see the configuration of the jaw crusher and the impact crusher applied together.
  Hammer crusher is mainly used for industrial secondary crusher, one molding, no need for secondary crushing and forming process, so in small and medium-sized production lines often use single hammer crushing.

  The advantages of Jaw crusher

  1.High production efficiency
  The crushing cavity of the equipment is deep, which can improve the feeding capacity and output of gravel, save energy consumption and improve production efficiency.
   
  2.Good wear resistance
  Jaw crusher parts are made of high quality manufacturing materials, which greatly improves the pressure resistance and wear resistance of parts. The jaw is made of cast steel, and the eccentric shaft is made of forged blank. Thus improving the reliability of the parts, making them efficient and durable.
   
  3.Adjustable discharge, more flexible
  The gasket type outlet adjusting device is not only reliable and easy to use, but also can adjust the particle size of the crushed material.
   
  4.Easy to maintain
  The operation process of the jaw crusher is simple and the maintenance work is convenient and fast.

  The advantage of hammer crusher

  1.Good molding
  It can directly break materials with particle size of 600-1800㎜ to 25㎜ or below 25㎜, and reduce the cost by about 40%.
   
  2.Adjustable material granularity
  The hammer sand making machine can adjust the space size of the screen, that is, the discharge port, according to the user's specification, so as to change the grain shape evenly to achieve the diversified needs of different users.
   
  3.Strong environmental protection
  This equipment has strong sealing, not easy to produce dust pollution, in line with the policy, green environmental protection.

   

  Product recommendation

  Our company currently produces PC hammer crusher and PE / PEX type jaw crusher, with a good appearance, excellent performance and many other advantages.
  
   

  
  PE Jaw crusher

  Capacity: 1-140t/h
  Max feeding size: 480mm
  Processing ability: 1-140t/h

  Specification

  Type	Feedopening Sive (mm)	Feeding Sive (mm)	Output Open Range(mm)	Capacity (t/h)	Powder(kw)	Dimension L*W*H (mm)
  PE150 × 250	150X250	125	10--40	1--5	5.5--7.5	922 × 745 × 933
  PE200 × 350	200X350	125	15--40	5--16	7.5--11	1056*1142*1220
  PE250 × 400	250x400	210	20-60	5--20	15--18.5	1430*1310*1340
  PE400 × 600	400X600	350	40--100	15--60	30-37	1700*1732*1653
  PE500 × 750	500X750	425	50-100	40-100	45-55	2035*1921*2000
  PE600 × 900	600X900	480	65-160	60-140	55-75	2290*2206*2370

  
   

  PEX Jaw crusher

  Capacity: 1-90t/h
  Max feeding size: 250mm
  Processing ability: 1-90t/h

  Specification 

  Type	Opening Size(mm)	Max Feed Size(mm)	Output Open Range(mm)	Power (KW)	Capacity (t/h)	Size (mm)	Weight (t)
  Pex-150 × 250	250 × 150	125	10-40	5.5	1-5	875 × 758 × 850	0.81
  Pex-150 × 750	750 × 150	125	18-18	15	5-16	1200 × 1500 × 1200	3.8
  Pex-250 × 750	750 × 250	210	25-60	22-30	15-30	1667 × 1545 × 1020	5
  Pex-250 × 1000	1000 × 250	210	25-60	30-37	16-50	1530 × 1992 × 1380	7
  Pex-250 × 1200	1200 × 250	210	25-60	37	20-60	1900 × 2192 × 1430	8
  Pex-300 × 1300	1300 × 300	250	25-105	75	20-90	2720 ​​× 1950 × 1600	11

  
  

  PC Hammer crusher

  Capacity: 5-30t/h
  Max feeding size: ＜350mm
  Processing ability: 5-30t/h
   

  Specification

  Model	PC400×300	PC600×400	PC800×600
  Rotor diameter (mm)	400	600	800
  Rotor length (mm)	300	400	600
  Rotor speed (r/min)	1100	1000	900
  Max. feeding size (mm)	<100	<220	<350
  Ouput size (mm)	5-10	5-15	5-20
  Capacity  (T/h)	5-13	10-20	18-30
  Motor power (KW)	11	18.5	45
  Number of hammer (piece)	16	20	28
  Weight  (T)	0.8	1.8	2.8
  Overall dimension  L*W*H(mm)	900*670*860	1200*1050*1200	2360*1490*1415

   
   

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