Usual Fault Treatment Of Hammer Crusher
Since the hammer crusher was invented in 1924
, it only has over 80 years of history, but it has been developing very fast. Because the machine has many advantages such as high crushing ratio, even discharging granularity, low proportion of over grinding products, low energy consumption, low manufacturing cost and convenient maintenance, it has wide application in many industries of cement, building materials, coal, chemistry and metallurgy and mining.1. The bearing runs hot.
Reasons: The lubricating grease is insufficient; there are two much lubricating grease; the lubricating grease goes bad; the bearing is damaged.
Elimination ways: Add proper amount of lubricating grease; the lubrication grease inside the bearing should be half of its volume; clean the bearing; change new lubricating grease; change the bearing.
2. The granularity discharged is too big.
Reasons: The abrasion of the hammer is serious; the grate bar breaks.
Elimination ways: Change new hammer; change the grate bar.
3. The output decreases.
Reasons: The gap of the grate bar is blocked; the materials are not fed in an even manner.
Elimination ways: Stop the machine and clean the tamper inside the gap of the grate bar; adjust the material feeding mechanism.
4. There is knock on the elastic coupling.
Reasons: The pin roll is loose; the elastic ring is abraded.
Elimination ways: Stop the machine and tighten the pin roll nut; change new elastic ring.
5. There is knock inside the machine.china mobile crusher:http://www.china-hxjq.com/p15.html
Reasons: some materials that cannot be crushed go inside the machine; the fasten part of the lining board is loose and the hammer knock on the lining board; the hammer of other spare part breaks.
Elimination ways: Stop the machine and clean the crushing chamber; examine the tightness of the lining board and the gap between the hammer and the grate bar; change the broken spare parts.
The model and specifications and the presentation methods of the hammer crusher are not unified and they vary in different manufacturing companies. The common presentation method is to use the phonetic letters and the diameter of the rotor D and the length L, among them, D refers to the all-round diameter of the end part of the hammer, and L refers to the effective working length of the hammer arranging along the axial direction.
The universal hammer crusher can be used in the industrial departments of metallurgy, coal, building materials, chemistry and power station, and it is suitable for crushing all kinds of brittle materials like limestone, feldspar, coal, salt, brick and tile, gypsum and gravels. The compression strength of the crushed materials cannot exceed 150MPA, and the surface water content should be lower than 2%. The coal hammer crusher is mainly used for crushing brittle materials like coal and gypsum whose compression strength is lower than 12MPA and the surface water content is lower than 9%.
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