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Jaw Plate Movable & Fixed

ESIS, the Manufacturer, Exporter & Importer and Suppliers of "Jaw Plate Movable & Fixed" Jaw Crusher Wear Parts. We provide and Supply High Quality and High Grade of Jaw Plate Movable & Fixed the Genuine Jaw Crusher Spare parts

Compression of materials undergoing crushing in a jaw crusher is achieved when the movable jaw presses the feed against a stationary jaw. These jaws can be flat surfaced or corrugated. Crusher jaws were formerly made of white cast iron and later with high manganese austenitic steel also known as Hadfield steel, which is the dominant wear material for the jaws. Wear on these components increases as the feed lump is being reduced and moved towards the discharge.

The greatest amount of crushing is done at the lower edges of the jaws; consequently, these lower edges are subjected to much greater wear than any other part of the jaw, because, the greatest movement of the movable jaw is at the lower edge. These plates are made reversible, so that the worn end can be inverted to become the upper end of the plate, thereby, reducing the cost of replacing these worn jaws. The variation in the amount of wear on the fixed jaw calls for a variation in the surface hardness of the jaw. This will be difficult to achieve by casting, but can definitely be achieved by hardfacing techniques.

Additionally, virtual modeling results have shown that the strength to weight ratio of the movable jaw can be increased by increasing the number of stiffeners attached to its back [17]; this is depicted in Figure 4. The fixed jaw is bolted to a support plate, while the movable jaw is bolted to the pitman for easy dismantling when they are worn out, to be replaced or partly worn, to be inverted.

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