- Civil Lab Mechanical Lab Engineering Lab Equipments
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CAT NO: DIDACTICNLE-Export-210047
Ball Mill- Engineering Lab Training Systems.
Technical Description
Ball mills are a form of mills with
grinding bodies. The drums can be opened at the front and loaded with
the material to be milled (limestone is recommended) and the milling
balls. The drums are mounted on a drive roller and a loose roller with
adjustable spacing between the axles. At low rotation speeds the
comminution is effected by the balls rolling over the material (cascade
motion). At higher speeds, some balls are lifted up the wall, become
detached and drop down onto the material (cataract motion). Above the
critical speed, centrifugal forces ensure that no more comminution takes
place. These motion states can be observed through the transparent
fronts of the drums.
In order to compare the theoretical power demand
with the actual, the power consumption of the drive motor is indicated
on a digital display. To assess the success of the comminution, an
analytical screening machine is recommended.
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