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    Zhengzhou General Mining Machinery Co., Ltd. is not only a manufacturer of industrial grinding mill, crusher and sand making machines but also a high-tech enterprise that integrates R&D, productio...
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  • Company News
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    Which mill has higher investment values and good development prospect? Engineering project investment is not a little thing no matter for the individual or the enterprise and it needs to take...
    How much is industrial grinding machine and what are the specifications of stone grinding machines? According to grinding machine types, industrial grinding machine is divided into Raymond mill, high-pressure suspension ...
  • Crushing Knowledge
    Commonly used mine crushing equipment - jaw crusher Jaw crusher(is one of the most common crushing equipment and one of the most practical equipment in the process of mine ...
    Which kind of crusher has a capacity of 400t/h for stones? Which crusher has a capacity of 400t/h for stones? Capacity of 400 t/h is relatively high for stone crushing and ordinar...
  • Industrial Grinding
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  • Metallic Mineral
    Project BackgroundThe process of copper beneficiation line is relatively simple. Raw materials are crushed before the gr... MORE>>
  • Building Materials
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  • Industrial Grinding
    Limestone Product IntroductionLimestone’s main component is calcium carbonate(CaCO₃)and its hardness is 3-4 in Mohs. Lime and lime...
    Calcite Product Introduction   Calcite is widely distributed. Its hardness is 2.7~3.0, and the weight is 2.6~2.8. It’s...
  • Aggregate
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  • Metallic Mineral
    Gold ore Product Introduction Gold ore is a mineral that contains gold or gold compounds. Gold ore resources in China are ab...
    Molybdenum Ore Product Introduction Molybdenum metal is a very important metal, which is known as war metal. With high strength, h...
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    Construction waste Product Introduction Construction waste refers to waste residue, scrap metal, crushed stone, waste residue in morta...
    Machine-made Sand Product Introduction    The demand of sand in China is more than 10 billion tons, and the industry scale is ab...
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  • Industrial Grinding
    In industrial grinding filed, General Mining Machinery grasps professional technologies throughout the entire process ch... MORE>>
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    In aggregate filed, General Mining Machinery with professional crushing technologies for soft, medium hard and hard mate... MORE>>
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Jaw Crusher

Jaw Crusher


【Feed Size】 <  1020mm

【Finished Product Size】 10~300mm

【Capacity】 1~800t/h

Jaw crusher is a high-efficiency and energy-saving crusher. Large and medium jaw crushers are our competitive products and Mining Machinery has reached leading level in the design and production of large and medium jaw crushers. Jaw crusher, divided into coarse crushing and fine crushing, is applicable for medium grained of various ores and large materials whose compressive strength is under 320Mpa.Jaw crusher is widely used in mining, metallurgy, chemistry industries, etc.

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Consult : 0086-371-68612899

Jaw Crusher Large capacity and uniform granularity

Deep-cavity crushing with no blind area; improved inlet capacity and yield 

bringing about great crushing rate and uniform granularity.

Jaw Crusher Low maintenance costs and reliable safety

Adjustable gasket outlet is reliable and convenient with large adjustment scale 

increasing flexibility of the device;reliable and safe lubricating system with convenient parts replacement leaving little maintenance works.


Jaw Crusher Low operation costs with energy-saving system

The crusher has simple structure, steady operation and low running fees; the single machine saves 15-30% energy and the system saves energy more than one time.


Jaw Crusher

Jaw Crusher

Jaw Crusher Brief Introduction

Jaw crusher is a high-efficiency and energy-saving crusher designed by our 

company absorbing successful home and abroad experience. Large and medium jaw 

crushers are our competitive products and Zhengzhou General Mining Machinery has reached leading level in the design and production of large and medium jaw crushers.Jaw crusher, divided into coarse crushing and fine crushing, is applicable for 

medium grained of various ores and large materials whose compressive strength is 

under 320Mpa. And this series crushers have different models with the feed size of 

125-750mm which is the first choice for primary crushing. Jaw crusher is widely used 

in mining, metallurgy, building material, highway, railway, water conservancy and 

chemistry industries.

Jaw crusher is applicable for processing of river pebble, granite, basalt, iron ore, 

limestone, quartz, diabase, iron ore, gold, copper, etc.

Jaw Crusher Running Environment

During the crushing procedures, crusher in the first stage is usually called as major crusher. And jaw crusher has a long history and is the most substantial crusher. When fed in jaw crusher, materials were poured into the crushing cavity from the upper inlet and the movable plate supports the materials against the cavity wall with huge forces to crush them into small patches. The movable plate is supported by a eccentric shaft through the machine frame and the eccentric movement results from the flywheel fixed at the two ends of the shaft. The flywheel and the eccentric supporting bearing usually adopt spherical roller bearing whose working environment is extremely harsh because the bearing needs to afford huge impact load, corrosive waste water and high temperature. With such tough working environment, the jaw crusher produced by Zhengzhou General Mining Machinery Co., Ltd. still can woke steadily, which we know is an important step in ensuring production efficiency.


Jaw CrusherJaw Crusher Working Principles

Jaw crusher contains frame, eccentric shaft, big belt pulley, flywheel, side guard plate, toggle plate, back seat of toggle plate, clearance adjustable screw, reset spring, fixed jaw and movable jaw, etc. and among them the toggle plate also has insurance effect.

The crushing way of this series jaw crushers is curve extruding. The motor-driven belt and belt pulley drive the moveable jaw plate up and down through eccentric shaft. When the movable jaw plate moves up, the angle between the toggle plate and the movable jaw plate gets larger, which pushes the movable jaw plate close to the fixed jaw plate and in this procedure the materials have been squeezed, rubbed and ground; while the movable jaw plate moves down, the angle between the toggle plate and the movable jaw plate gets smaller, the movable jaw plate leaves the fixed jaw plate with forces from the pull rod and the springs and this time the ground materials will be discharged from the bottom opening of the grinding cavity. With periodic crushing and discharge of the movable plate driven by the motor, volume production is completed.

In powder grinding production lines, the input materials can not be too big so the raw materials need to be crushed by the jaw crusher before being transmitted to the mill by the elevator for processing. Besides, in stone crushing production lines and sand making production lines, the materials also need to be crushed into small pieces for further crushing and this procedure is the first crushing stage in which jaw crusher will be used often. And to chose coarse crushing machine or fine crushing machine depends on actual raw materials.

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