PEW Jaw Crusher

Product Features: Automatic hydraulic design, convenient adjustments, simple operations

  • Input Size: 0-930mm
  • Capacity: 12-650TPH
  • Material: Granite, marble, basalt, limestone, quartz, pebble, copper ore, iron ore

PEW Jaw Crusher is a new crushing machine developed by SBM, the jaw crusher manufacturer, after the release of traditional jaw crusher. This jaw crusher is a perfect combination of modern science and technology and the production practice, which can better satisfy the automatic production demands of vast customers.

Working Principle

Firstly, the motor drives belt and pulley to make the movable jaw move back and forth, up and down around the eccentric shaft. When the movable jaw pushes the movable jaw plate towards the fixed jaw plate, materials get crushed. When movable jaw and plate move backwards under the action of the eccentric shaft and spring, the materials crushed before would be discharged from the port under the jaw plate. As the motor works continuously, the movable jaw can crush or discharge materials periodically, so that volume production can be achieved.

    Brief History

    • In 1806 the roller is driven by a steam engine crusher.
    • In 1858 the crusher realized a big leap, American E.W. Blake invented the jaw crusher rock crusher, which is the simple pendulum crusher.
    • In 1878 the crusher once again realize the innovation, production with the cycle type continuous crushing action of the crusher, the production efficiency is higher than that of jaw crusher and intermittent breaking action.
    • In 1895 William in United States invented the low energy consumption of crusher.

    Structure Analysis

    adjusting device

    Adjusting device with wedge type, plate type and hydraulic type, generally use the wedge type, consisting of around two wedge, the wedge block can move forth before, against the back plate; after the wedge is a wedge, can move up and down, two wedge slant backward fit, by the screw so that after the wedge block to move up and down and adjust the outlet size. Small jaw crusher outlet control is the use of a spacer between the thrust plate and frame or support after much to achieve.

    the flywheel

    Used in storing energy when air travel jaw jaw crusher flywheel, and then used for industrial form, so that the mechanical work with uniform. Flywheel also plays a role of belt wheel flywheel. The flywheel with cast iron or cast steel manufacturing, mini flywheel is often made into integral. Flywheel manufacturing, installation should pay attention to the static balance.

    lubricating device

    The eccentric shaft bearing usually uses the centralism lubrication. The support surface of the mandrel and thrust plate is generally adopted by hand gun to oil lubricating grease. The movable jaw swing angle is small, the shaft and the bearing lubrication difficulties, often several axial oil groove in the bearing at the bottom, a circumferential oil groove is communicated with the middle, forced into dry butter lubricating oil pump.

    Product Application

    Jaw crusher is generally suitable for bulk materials, the highest compressive strength of 320 MPa. PEW jaw crusher is widely used in various materials processing of mining and construction industries, such as it is suit for crushing granite, marble, basalt, limestone, quartz, cobble, iron ore, copper ore, and some other mineral and rocks.

    Product Advantage

    • Stability Analysis of Structures

      V-shaped structure crushing cavity is able to meet a big feeding.Movable jaw assembly adopts a high-quality steel casting and heavy eccentric shaft has also adopted forging billet for processing.

    • Reliable performance

      Use of finite element analysis technology helps to reach both light weight and high reliability. Equipped with wedge adjustment devices, enable to realize automatic control and stepless adjustment.

    • Adjustment of the discharge part is more convenient

      The adjustment methods: gasket adjustment, hydraulic assistant adjustment, wedge block and wedge hydraulic adjustment.

    • Hydraulic control, Easy to clean cavity

      Integral cast steel structure is adopted for bearing seat. Integral cast steel bearing matches well with the crusher frame, at the same time, radial strength of the bearing seat is highly strengthened. However, the separate bearing seat does not have this advantage.

    • newly designed tooth-shape lengthens life of crusher

      A newly designed tooth-shape side plate, makes the available area of jaw plate longer, and enhances the capacity.More advanced movable jaw assembly is driven by two large flying wheels which are made from cast steel. Moreover, heavy eccentric shaft is processed by forged mold. All of these make the JC series jaw crusher extremely reliable.

    Operational Principle

    The motor-driven belt and pulley, through the eccentric shaft, making movable jaw swings up and down before and after, when promoting the moving jaw movement to the fixed jaw plate, movable jaw, the material is crushed or split pieces. When the moving jaw and movable jaw plate in the eccentric shaft, spring back, previously have been crushed or chipping the material discharged from the discharge opening of the lower part of the jaw. With the motor continuously rotating and stone crusher jaw periodically crushed and fecal material, in order to achieve mass production.

Customer cases

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