The single weight of the hammer head of the heavy hammer crusher generally reaches about 150 kg. Driven by the high-speed rotation of the rotor, if it encounters iron blocks in the material, the working surface of the hammer head may be interrupted, and the work after falling off If the surface encounters other hammer heads, and the working surface of dozens of kilograms encounters other hammer heads moving at high speed, the result can only be broken. Equipment is scrapped. The heavy-duty hammer head is made of alloy casting, and the working surface of the hammer head is added with elements such as chromium molybdenum vanadium to ensure its hardness; the hammer handle part is made of ordinary cast steel. Therefore, the fragile hammer head is basically caused by the instability of the joint surface of the hammer head and the hammer handle.

If the hammer head uses a cold composite method to combine the hammer handle and the hammer head during the casting process, the hammer head is easily broken; if the hot composite method is used in the production process, the metal is still liquid. The combination can prevent the extreme situation of "cutting the head together".

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