Used Gyratory Crushers
Another type of primary crusher at a mining site or ore processing plant is a gyratory crusher. As with a jaw crusher, gyratory crushers have a concave surface, conical head and manganese steel lining these surfaces. Mining ore travels down a chute between the two surfaces and is progressively crushed until it is small enough to fit through the sizing gap. Gyratory crushers can be used for primary or secondary crushing in mining and ore processing operations and are frequently used to crush granite, marble, limestone, shale, plaster, china clay and pebbles.
Gyratory crushers feature a high compressive and impact strength that facilitates heavy duty crushing jobs, a minimal amount of filler settlement and little or no formation of gap between backing and liners or the main frame. Crushing action in a gyratory crusher occurs by the closing of the gap between the mantle line mounted on the central vertical spindle and the concave liners mounted on the main frame. In this process the mantle line is movable while the concave liners are fixed. As the gap is closed mining ore is gradually crushed down into fragments small enough to fit through the bottom sizing gap.
When in the market for a Ma used gyratory crusher there are a few areas you need to be concerned with to make sure you get a gyratory crusher that will perform up to the standards you expect. As with other types of crushing equipment it helps to know what the machine was used for prior to buying it. If you need a heavy duty used gyratory crusher that will hold up to extreme crushing applications you need to know whether the machine you are looking at has already been used for heavy crushing and may be worn down. Carefully inspect all parts on the gyratory crusher and ask the previous owner for maintenance and repair histories of the used gyratory crusher to know if any major repairs were done to the piece of equipment or if certain parts had to be replaced.