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Jaw Crusher is the work of institutions and moving jaw set jaw working chamber consisting of the composition, will be under enormous jaw and a broken jaw moving force and the friction material, easily worn, in order to protect the jaw, jaw, and generally set moving jaw of the surface mount liner wear, this lining is also known as the jaw plate. The surface is usually made of jaw tooth plate and jaw toothed peaks of the angle plate 90 ° ~ 120 °, the size of the material to be broken by the nature and degree depending on the block, breaking bulk materials, the angle to be bigger; broken small block material, the angle can be smaller. Pitch depends on the product size, usually of about equal to the width of the discharge port, the high gear ratio with the preferred pitch of 1 / 2 to 1 / 3. Work, the two parts under the jaw plate wear is not the same speed, the lower wear faster than the upper jaw plate in the jaw crusher work, direct contact with the material, under enormous crushing force and friction materials, Jaw jaw is directly related to the life of the crusher efficiency and production costs, therefore, extend the jaw crusher jaw plate is very important to life.
Can strengthen the jaw life selection, design, assembly and use of process improvement and other considerations. In the design: fixed and moving jaw jaw jaw board should be the peak of the tooth tooth valley. In this way, crushing the material in addition to the time of compression, there is bending, the material more easily broken. To enhance the life of jaw, small jaw crusher designed longitudinal symmetry of the shape of a U-turn after wear of current use; large jaw crusher jaw plate designed symmetrical to each other a few to wear after exchange with the jaw plates.
In the assembly: jaw plate must be securely attached to the E-board, should be leveled between the two, between the jaw and made with a soft metal gasket and bolted down. Crusher, the jaw plate should not be loosening, or wear, or easily broken jaw, lower jaw plate of life. Therefore, the assembly must be installed when the jaw plate, thus extending the life of the jaw plate. In production: direct role in the materials and jaw, broken very great, especially the larger hardness of materials is broken, leading to installation of bolts jaw plate vibration, the nut loose, so that jaw plate wear increased, and create a great noise, severe broken jaw when the device off or shut down, affecting the normal production. In the course can be situation-specific solutions to specific problems, to prevent wear increased, jaw plate loose, broken, etc., thus extending the life of the jaw plate, reduce costs and improve efficiency.