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Many types of Raymond Mill Manufacturers , the rotor can be divided by the number of single rotor and double rotor hammer crusher ; according to the direction of rotation of the rotor can be divided into Directional ( rotors rotate in one direction ) and reversible ( rotor can move in two direction of rotation ) hammer crusher ; hammer arrangement can be divided by the number of single arrangement , arrangement and multi- arranged double hammer crusher ; press hammer device can be divided into fixed and movable hammer crusher .
Structural design of the Raymond Mill , a different structure and geometry of the hammer , the mechanical properties of heat treatment , the internal microstructure is very different , and thus have a greater impact on the wear resistance, especially thickness , and size of the impact hammer is more prominent. Heavy hammer the more , the more difficult hardenability , its wear resistance is also worse . Due to the internal hammer wear resistance was significantly lower than the surface , therefore, for greater thickness hammer only reasonable means of casting and heat treatment to improve the situation , but the means to improve the wear resistance of the hammer is limited, the best way is in the situation without changing the hammer blow kinetic energy and strength , optimize the structure of the hammerhead design , one can improve the utilization of the hammer , on the other hand can reduce the structure of the heat treatment affect performance , to avoid the wear resistance drop hammer .
Quarry is generally used single rotor , directional , multi- arranged movable hammer crusher , the structure outlined the type of hammer crusher , hammer a hammer shaft is hinged and hung on the hammer plate 2 , the hammer plate fitted on the spindle 3 . Grate the lower half of the chassis is equipped with 4 spindle rotating body , consisting of hammer and hammer disc called rotors. Material falling from the feed port into the crushing chamber , and high-speed rotation of the hammer with the impact , the impact of the material is obtained from the kinetic energy of the hammer to have a high hit rate of the grate bars with clearance , again hit was grate Article slug shells fell on the back of the rotor , once again under attack , the material in motion , also frequently occur between the blocks collide material . Thus , larger particle size material through repeated crushing, until the crack reaches the grate excluded by size requirements . Bulk materials in the crushing process hammer crusher cavity includes the following sections : hit with the hammer of the material ; the impact of material and liner ; mutual impact between materials ; Material squeezed between the hammer and the liner .