Jul 07, 2025 Leave a message

What are the main wear parts of impact crusher?

1. Plate hammer

When the material enters the crushing chamber, the high-speed rotating plate hammer will instantly smash it with strong impact. Due to the most severe impact wear, such impact crusher wear parts need to have both high abrasion resistance and impact toughness, in the process of continuously hitting the ore, only high-quality materials can resist the harsh wear and tear, to ensure that the crushing strength is always the same.

2. Impact liner

After the material is hit by the hammer, it will hit the impact liner on the wall of the crushing chamber, and then collide with the subsequent materials or hammers again after rebound to achieve multiple crushing. This 'counterattack barrier' and the plate hammer form a crushing cavity, and its wear will change the shape of the cavity, which in turn affects the grain shape of the material. Different from the instantaneous impact of the hammers, another kind of impact crusher wear parts, the impact liner needs to withstand repeated friction and impact, and needs to have excellent wear-resistant characteristics, and continue to shape the particle size of the material in the cycle of crushing.

3. Side guards

On both sides of the crushing chamber, side guards resist the friction loss caused by material splashing. Although they are not directly involved in crushing, severe wear of the side guards can lead to a decrease in the stability of the chamber, or even cause damage to the main structure, significantly increasing maintenance costs. The choice of material focuses on long-lasting wear-resistant to prolong the overall life of the equipment with continuous protection and avoid chain failures caused by edge wear.

4.Rotor body shield

Rotor body as a high-speed equipment pivot, so this type of impact crusher wear parts bear the burden of protecting expensive core components. Plate hammer installed in the rotor body, the reaction force of the material impact and friction will directly threaten the life of the rotor, and the rotor body guard plate will wear and tear concentrated in the replaceable guard plate, to avoid damage to the rotor body. High-quality shield can effectively cushion the impact, reduce the frequency of maintenance of core components, and build a solid foundation for long-term stable operation.

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