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China Factory Suppliers of Energy & Mining Jaw Crusher Plates - High Manganese Steel Castings

The jaw plate of a jaw crusher consists of two primary components: the fixed jaw plate and the movable jaw plate, both typically made from high-manganese steel castings. As the movable jaw swings in a compound motion, it creates an angle with the fixed jaw plate, effectively crushing stones. Due to this process, the jaw plates are subject to wear and require periodic replacement. To enhance their durability, these plates are designed with a symmetrical shape, allowing for easy reversal once one end becomes worn. The contact surfaces during stone crushing are the movable and fixed jaw plates, and the movable jaw plate is secured to the movable jaw to provide additional protection. As a leading manufacturers and suppliers in China, our factory ensures high-quality jaw plates that meet industry standards for performance and longevity

    Methods to extend the service life of the jaw plate

    The positive suspension of the eccentric shaft device of the traditional compound swing jaw crusher is changed to negative suspension, the crusher characteristics are improved, and the jaw plate life can be extended by 50%.
    The thrust plate of the traditional compound swing jaw crusher is changed to an upward inclined type, and the movable jaw jaw plate has a downward component in the direction of movement of the crushing stroke, which is conducive to crushing materials and promoting the downward movement of materials, reducing blockage. This not only improves the wear condition of the jaw plate, but also improves the processing capacity of the crusher.
    Replacing the single movable jaw of the compound swing jaw crusher with a double movable jaw makes the longitudinal relative movement between the two movable jaws close to zero, eliminating the longitudinal relative movement between the jaw plates from the mechanical motion characteristics, and reducing the wear of the jaw plates.
    The structural form of the movable jaw can also be changed to extend its life. Changing the flat movable jaw to a curved movable jaw can greatly reduce the excessive crushing of materials caused by poor discharge of materials at the discharge port and the resulting severe wear of the movable jaw. In order to ensure that the jaw angle is within the maximum allowable range, the ideal shape of the movable jaw jaw surface should be straight on the top and curved on the bottom.

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    Quality Assurance

    Quality Management

    • Purchasing with quality, control the quality activity more on supply Chain and raw material.
    • Establish the complete quality roles and responsible for every production link.
    • Conduct the total quality management.
    • Strictly carry out the quality control procedure.
    • Testing System.

    Testing System

    • Incoming raw material testing
    • Surface hardness testing
    • Core hardness testing
    • Chemical composition testing
    • Impact testing
    • Other testing required by customer
    Our wear parts in high Mn, Cr, Mo, alloy steel of cone crusher/jaw crusher/impact crusher/hammer crusher/roller crusher .etc is with high quality and with long working life, and can be customized as customer's needs. Welcome to contact us for more details!

    Frequently Asked Questions

    How can negative suspension extend the jaw plate service life?

    By changing the positive suspension of the eccentric shaft device of a traditional compound swing jaw crusher to a negative suspension, the crusher's characteristics are improved, which can extend the jaw plate's life by up to 50%.

    What are the benefits of an upward inclined thrust plate?

    An upward inclined thrust plate creates a downward component in the movement direction of the crushing stroke. This promotes downward movement of materials, reduces blockages, improves jaw plate wear, and increases the crusher's overall processing capacity.

    How does a double movable jaw reduce jaw plate wear?

    Replacing a single movable jaw with a double movable jaw reduces the longitudinal relative movement between the two jaws to near zero. This eliminates longitudinal relative movement between the jaw plates, significantly decreasing wear.

    What is the ideal structural shape for a movable jaw?

    The ideal shape for the movable jaw surface is straight on the top and curved on the bottom. Changing from a flat to a curved movable jaw reduces excessive material crushing caused by poor discharge at the outlet, preventing severe wear.

    What testing procedures are included in your Quality Assurance?

    Our rigorous testing system includes incoming raw material testing, surface hardness testing, core hardness testing, chemical composition testing, impact testing, and other customized tests required by the customer.

    What materials are used for your crusher wear parts?

    Our wear parts are manufactured using high-quality materials including high Mn (Manganese), Cr (Chromium), Mo (Molybdenum), and alloy steel, designed specifically for cone, jaw, impact, hammer, and roller crushers.