Choosing a hammer of suitable material for a crusher requires comprehensive consideration of three key factors: material properties, working conditions and economic benefits. First, the hardness, abrasiveness and water content of the crushed material should be analyzed. For materials with high hardness (such as granite), high manganese steel hammers should be used, which will produce a work hardening effect under strong impact; when dealing with materials with medium hardness and strong abrasiveness (such as quartz sand), medium carbon alloy steel or high chromium cast iron is more wear-resistant. For humid or corrosive environments, it is recommended to choose alloy materials containing corrosion-resistant elements such as nickel and molybdenum. Secondly, the working parameters of the crusher should be considered. Equipment with high rotor speed requires materials with higher toughness (such as double-liquid composite hammers) to withstand impact, while low-speed crushers can focus on hardness indicators. In terms of economy, although the unit price of high-chromium alloy hammers is higher, their 3-5 times service life is often more cost-effective than frequent replacement of ordinary hammers. When actually choosing, you can first try hammers of different materials on a small scale and make the final decision by comparing the wear rate and crushing efficiency. It is also important to regularly check the wear pattern of the hammer head - if early fracture is found, it means that the material is too brittle, and uniform wear proves that the material is properly selected. Reasonable material selection can increase the life of the hammer head by 30%-50%, while reducing the maintenance cost per unit of output.
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Crusher hammer material
Crusher hammer material
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