Jaw Crusher

Jaw Crusher

The Jaw Crusher reduces the size of stones and ores by squeezing, it is able to accept large size raw materials and is usually used for primary crushing. Typical features of a jaw crusher are its two large flywheels and the V-shaped jaws in the crushing chamber. During operation, the material enters the crushing chamber from above and the eccentric shaft on the flywheel drives the jaws in a human-like chewing motion to crush the material.

Application

Jaw crushers are a very well established class of equipment that have been in use for over 150 years since they were first invented and are widely used in quarrying and mining plants to produce construction aggregates or to crush ores.

Working Principle

The Jaw Crusher reduces the size of stones and ores by squeezing, it is able to accept large size raw materials and is usually used for primary crushing. Typical features of a jaw crusher are its two large flywheels and the V-shaped jaws in the crushing chamber. During operation, the material enters the crushing chamber from above and the eccentric shaft on the flywheel drives the jaws in a human-like chewing motion to crush the material.

Jaw Crusher

GEP Ecotech's jaw crushers have the capacity to handle a wide range of hard materials, making it easy to handle construction and demolition waste, and we also offer mobile jaw crushers mounted on tracks or frames with tyres to meet the requirement to be mobile when crushing.

Features and Advantages

Symmetrical
Symmetrical "V" shaped chamber design, larger feed size, higher output and lower jaw wear rate.
Assembled weldless frame
Assembled weldless frame structure design, high reliability, more convenient transportation and installation.
Large curvature transition rounding
Large curvature transition rounding, low stress welding method, impact resistance, uniform force, low failure rate.
 forged from high-end materials
The movable jaw assembly and heavy-duty eccentric shaft are forged from high-end materials for high stability.
Integrated motor installation
Integrated motor installation, integral cast steel structure bearing seat, high strength of equipment, compact structure.
 double wedges or hydraulic adjustment device
The discharge opening adopts double wedges or hydraulic adjustment device and centralized lubrication device, which is convenient for maintenance.

Extended Information

  1. Equipment Price and Terms of Delivery?

    GEP Ecotech conducts business around the world, the delivery price of equipment changes frequently and is affected by multiple factors, including the price of raw materials, the delivery location, and the specific configuration of the equipment. You can inform us of your specific needs by filling in the form in our website or contacting our online service. We will send you the latest quotation after receiving your request.
  2. Reasons for the popularity of GEP's Jaw Crusher

    (1) symmetrical V-shaped crushing chamber, larger feed size, higher crushing efficiency; (2) double wedge or hydraulic adjustment device for discharge opening, simple and quick; (3) centralized lubrication device, more convenient lubrication; (4) the use of finite element analysis technology, dynamic jaw assembly, heavy eccentric shaft, etc. using high-end material fine processing, bearing seat with integral cast steel structure, higher strength and lighter weight ; (5) motor seat and frame are installed in one piece, saving space; (6) using large arc rounded corners, low stress welding method, reducing stress concentration, uniform force and impact resistance.
  3. How to adjust the size of the discharge opening of the jaw crusher?

    The size of the discharge opening is adjusted by means of a wedge, which is simpler, safer and quicker than the gasket type of adjustment, saving downtime. The specific practice: first loosen the wedge tensioning screw, locking bolt and spring, then push the adjusting wedge through the hydraulic cylinder (adjusting bolt), and then push the adjusting seat and toggle plate to achieve the purpose of adjusting the size of the discharge opening. Lock the hydraulic cylinder, wedge tensioning screw, slider locking bolt and spring after commissioning.
  4. Scheduled overhaul of the jaw crusher.

    Jaw crushers need to be serviced after a period of operation and damaged parts need to be replaced or repaired as an effective way of extending the life of the jaw crusher. Planned maintenance of a jaw crusher is divided into routine maintenance, minor maintenance, medium maintenance and major maintenance. Minor maintenance is the inspection, repair and adjustment, such as overhauling the transmission part, adjusting the gap of the discharge opening, replacing worn liners, adding lubricating oil, etc. The cycle time is 1-3 months. Medium overhaul: In addition to all the work of the minor overhaul, it also includes the replacement of thrust plates and liners, inspection and repair of bearing, etc. The cycle time is generally about 1-2 years. Overhaul: In addition to all the work of the medium overhaul, it also includes replacing or turning the eccentric shaft and the mandrel of the moving jaw, casting the alloy on the connecting rod head, replacing or repairing the wear parts, and the cycle is generally 5 years.

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