Cr4 thread ball mill girth gear and pinion alignment aug 28, 2011 re ball mill girth gear and pinion alignment 08272011 207 am pinion alighnment is done by coating the pinion with a lead based grease after rotating the drum, the grease marks will show. Cement mill girth gear pinion alignment procedure pdf. Optimize girth gear based on the operation characteristics of the rotary kiln and ball mill, to ensure the stability of the girth gear during the long time operation and extend its service life. This girth gear is widely demanded in different industries to be installed in different machines such as rotary kilns, rotary dryers and ball mills, girth gear for ball mill, girth gear for cement mill, girth gear for raw mill, girth gear for rod mill, gear for ball mill, gear for rod mill, gear. Ball mill girth gear and pinion alignment 08272011 2. This oversight can result in failure or excessive wear, or both, which causes unplanned, costly mill down time.
As soon as the gear and pinion have been cleaned and coated with the proper lubricant, the gear. Ball mill pinion alignment pdf ement mill girth gear pinion alignment procedure pdfutogenous mills, semiautogenous mills and ball mills for wet res, cement clinker, coal and other materialsolysius has been the resulting global know how of process and plant technology, together with the be driven via ring gear. Aug 28, 2011 re ball mill girth gear and pinion alignment 08272011 2 07 am pinion alighnment is done by coating the pinion with a lead based grease. The femethod is utilized for deformation and stress calculation of a whole girth gear including the strength calculation of the fixing structure. 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. 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. In order to maintain alignment of the girth gear and mill pinion, standard practice in the industry is to measure the temperature difference across the face width of the girth gear. Ball mill pinion alignment pdf ball mill alignment pdf crusher and a pinion of a root clearance and pinion axis alignment cement ball mill girth gear root cr4 thread ball mill girth gear and pinion alignment aug 28 2011 with all due respect the way to per. Repairs entail extra work for girth gear dismantling. Girth gears gear wheels 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. Flangemounted girth gears, the more common of the two, are most frequently utilized in cold processing equipment such as sag semi autogenous grinding mills and ball mills for use in the mining and cement industries. The girth gear driving pinion ends up getting aligned to the reducer, causing a misalignment issue between the girth gear teeth and the driving pinion teeth fig.
Damage to mill cylinder, neck or stub endanger girth gear and pinion. Ball mill pinion alignment pdf ball mill alignment pdf crusher and a pinion of a root clearance and pinion axis alignment cement ball mill girth gear root cr4 thread ball mill girth gear and pinion alignment aug 28 2011 with all due respect the way to. Align ball mill pinion gears manufacturer machiner. Great wall steel casting has large production capability in steel castings, so we can provide girth gear with short cast period and large amount. Measurement tools for the cement industry mechanical condition monitoring on rotary kilns 15. Metso is proud to announce the launch of our new rebranded offer. The david brown standard is a maximum temperature difference deltat of 6 degrees. Gear inspection is included in our hot kiln alignment services. Regular maintenance of the girth gear is an area of the mills drive train that can be neglected by a maintenance department, albeit quite unintentionally. Hi we have replaced the girth gear of a ball mill used for coke grinding, and we have completed gear alignment. Runout measurement of girth gear radial sensor on tooth tip axial sensor on side face magnet stand kiln girth gear inductive.
Gear cutting of a split girth gear for a cement mill having an input power of 2200 hp 5. Ball mill pinion alignment pdf ball mill alignment pdf crusher and a pinion of a root clearance and pinion axis alignment cement ball mill girth gear root cr4 thread ball mill girth gear and pinion alignment aug 28 2011 with all due respect the way to perform this type of alignment is to bring in an expert if you must ask you. We are engaged in manufacturing and supplying girth gear, industrial girth gear, kiln girth gears. You can expect the same quality supported by decades of gearing and oem expertise. Formulas for alignment of grinding ball mill ball mill alignment pdf grinding mill china 4 see also aside from common ball mills there is a second type of ball ball mill alignment pdf learn more david brown south africa has developed a gear. Girth gear maintenance fixed plant maintenance solutions. A complete range of gear and pinion sets, inspections, design, installation and alignment services to drive your mills performance. Ball mill girth gear and pinion alignment cr4 discussion.
Ball mill pinion alignment pdf ball mill alignment pdf crusher and a pinion of a root clearance and pinion axis alignment cement ball mill girth gear root cr4 thread ball mill girth gear and pinion alignment aug 28 2011 with all due respect the way to perform this type of alignment is to bring in an expert if. Mill and kiln gears i david brown mill and kiln gears rev. Damage to mill cylinder cannot endanger gear teeth. 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. Therefore, we offer kluberefficiencysupport, an extensive package of services including. On site services for girth gears, change or reversal and alignment of girth gear, wear on girth gear and pinion ball mill flange runout machining. Girth gears more than just metal and teeth gear technology. It must be brought to the attention of personnel involved in the selection of david brown. Elastic mill sag by weight of mill balls and materia. A detailed video of a girth gear high radial runout situation. This compact solution utilizes the full load capacity of the valuable girth ring while providing maximum usability and.
How to calculate bull gear for ball mill, that the current methods used in, for system overloads figure 1 typical misalignment damage on a girth gear, read more grinding pulverizing mills, 102 le international are driven by large pinion and bull open gears. Align ball mill pinion gears ball mill girth gear and pinion alignment cr discussionaug re ball mill girth gear and pinion alignment am pinion alighnment is done by coating the pinion with a lead based grease after rotating the drum the grease marks will show the contact area the pinion should contact the girth ring near the center of. Condition based monitoring kiln and ball mill girth gear abstract this practice describes a twopart new proposed standard for electromagnetic methods for preparation and examination of gear teeth in the cement sector on kiln and ball mill girth gear drives including pinions particularly on the addendum dedendum and root areas. The high investment costs for large girth gear drives pays off with maximum uptime. Girth gear industrial girth gear and kiln girth gears. Girth gear applications girth gears fall into two basic categories. 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. Cr4 thread ball mill girth gear and pinion alignment. Kumera active drive girth gear ensures optimal load distribution on girth gear teeth throughout the years of operation without a need for high accuracy alignment. Cement mill girth gear pinion alignment procedure pdf cr4thread ball mill girth gear and pinion alignment.