Jaw plates are essential components of jaw crushers, which are widely used for primary and secondary crushing of various ores and large materials. As wear - prone parts, they play a crucial role in the crushing process. Typically, jaw plates consist of a fixed jaw plate and a moving jaw plate, which work in tandem by squeezing, impacting, and grinding materials within the crusher chamber.aw plates are extensively utilized in various industries, including mining, metallurgy, construction materials, chemical engineering, road construction, and railway engineering,They crush both metallic ores (e.g., iron ore, copper ore) and non - metallic minerals (e.g., limestone, quartz) to prepare raw materials of suitable granularity for subsequent ore dressing or processing.
- Used for crushing construction waste (such as concrete and bricks) for recycling, as well as processing limestone, sandstone, etc., to produce construction sand and aggregates.
- Common scenarios include manufactured sand production lines and concrete batching plants.
- Crush ores before smelting (e.g., manganese ore, bauxite) or chemical raw materials (e.g., gypsum, coal) to meet the granularity requirements of subsequent processes.
- Crush stones for road and railway subgrade construction, or process river pebbles, granite, etc., to produce high - quality aggregates
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Due to continuous exposure to impact and wear, jaw plates require regular inspection and replacement. Worn - out jaw plates can lead to reduced crushing efficiency, uneven product granularity, and even equipment failures. Key maintenance points include:
- Regular Inspection: Assess the wear level of the tooth surface and measure the thickness of the jaw plates to determine the need for replacement.
- Pair - wise Replacement: To ensure the symmetry of the crushing chamber and maintain crushing performance, the moving and fixed jaw plates are typically replaced simultaneously.
- Material Selection: Choose appropriate jaw plate materials according to the characteristics of the materials being processed (e.g., high - chromium alloy for hard materials, manganese steel for high - impact scenarios).
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Through proper design, material selection, and maintenance, jaw plates can significantly enhance the reliability and economic benefits of crushers, making them indispensable components in the crushing process.
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