How To Install The Ball Mill Correctly

Ball mill is the key equipment for grinding after the crushing process

, which is widely used in the manufacture industries, such as cement, silicate, new building material, refractory material, fertilizer, ferrous metal, nonferrous metal and glass ceramics and can be used for the dry and wet grinding for all kinds of ores and other grind-able materials.

The machine is composed by feeding part, discharging part, turning part and driving part (reducer, small driving gear, electric motor and electric control). The quill shaft adopts cast steel part and the liner is detachable. The turning gearwheel adopts casting hobbing process and the drum is equipped with wear-resistant liner, which has good wear-resistance. The machine is with stable and reliable working condition.

Moreover, according to different materials and discharging methods, there are dry ball mills and wet ball mills for choice.

The installation of ball mill body

The axis of ball mill body should show level, measure should on the top of both end of hollow shaft flange, and the height also should be accordant. If it has a error, it is allowed that feeding end can higher about 1mm than discharging end. The hollow shaft and the surrounding gap of bearing cover should keep consistent, and the gap of outside and inside cover also should mainly be accordant.

The installation of transaction parts

When ball mill body was adjusted to be level, just then install the transaction parts. At first, check the quality condition of transaction parts, mainly check small gear shaft and reduction gear shaft is concentric or not.

Regard the big gear wheel as the basic, then install and adjust the transaction parts, make sure the tooth width of small gear and big gear are accordant. In addition, the tooth surface of small gear and big gear also should keep accordant, and the least space of gear should leave 0.25mm. The contact surface of big gear and small gear accounts for 60% of the overall length and about 40% of overall height.

by: jocelyn

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