Girth gears are large ring gears which are normally fitted to the outside of ball mills or rotary kilns to provide the primary rotational drive,which is required to be operated in a long time So, the quality requirements during the actual production for the big gear ring are very high Girth gears are applied in the mining, cement, minerals industries used in various types of horizontal mills, rotary dryers, rotary kilns and other gear ring applications in heavy processing
The girth gear and pinion are the key of the edge transmission device. Their reliable operation is directly related to the stable production of the mill. In order to ensure their reliable operation, in addition to strengthening the daily maintenance and regular maintenance, the installation and alignment of the girth gear and pinion are also important.
The basic parameters used in ball mill design , rod mill or any tumbling mill sizing are; material to be ground, characteristics, Bond Work Index, bulk density, specific density, desired mill tonnage capacity DTPH, operating % solids or pulp density, feed size as F80 and maximum chunk size, product size as P80 and maximum and finally the type of circuit open/closed ...
Ball Mill Girth Gear PINION. Rs 12.5 Lakhs / Unit Get Latest Price. Minimum Order Quantity: 1 Unit. Brand. Piyali Engineering Corporation. Capacity. 100 Tpd To 12000 Tpd Cement Plant. Material.
mills and ball mills for use in the mining and cement industries. By current stan dards, girth gears can be as large as 14 meters in diameter, 1.1 meters face width, and 50 module tooth size, and weighing upwards of 120 tons. Flange mounted gears rely, in large part, on the mill structure to pro vide the stiffness and geometric stability
Ball Mill Design. A survey of Australian processing plants revealed a maximum ball mill diameter of 5.24 meters and length of 8.84 meters . Autogenous mills range up to 12 meters in diameter. The length to diameter ratios in the previous table are for normal applications. For primary grinding, the ratio could vary between 1:1and 1.8:1.
cant calculations on the part of the mill builder. These include reviewing the size of the incoming and outgoing product, the rate of production, the size of the mill in diameter and length, the grind ing media, the theoretical critical speed of rotation, and the interior configura tion of the mill. Unfortunately, to get
How do you measure the root clearance between a girth gear and a pinion of a grinding ball mill and what is the recommended root clearance. This ball mill uses helical gears.
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Ball Mill GEAR GUARD A plate steel gear guard is furnished with the mill for safety in operation and to protect the gear and pinion from dirt or grit. As soon as the gear and pinion have been cleaned and coated with the proper lubricant, the gear guard should be assembled and set on its foundation.
Grinding Mills: Ball 1.5 . 5 Autogenous 1.5 .4 Rod 1.5 .5 A girth gear can be assembled to a drum with a flanged connection or with spring elements. Picture 2. The FE method is utilized for deformation and stress calculation of a whole girth gear including the strength calculation of the fixing structure
June 10, 2020
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