This specification is for manufacturing of quality girth gear pinion used in Wet Ball Mills. The gear pinion is used for rotation of mill shell meant for pulverization of lime stone in flue gas Desulphurisation plant. 2. SCOPE OF SUPPLY : a. Girth gear in two halves b. Gear halves connecting bolts, nuts pins c. Matching Pinion
WhatsApp: +86 18838072829Ball mill Girth gear and Pinion Replacement and Drive station alignment. Cement Mill Girth Gear Replacement with Both Pinions and Alignment. Autogenous Mill Shutdown Job. Ball Mill Pinion Replacement Drive Alignment. Ball Mill Girth gear and Pinion reversal. Ball Mill Girth Gear and Trunnion Bearing Replacement. Ball Mill Girth gear Replacement.
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WhatsApp: +86 18838072829a specific example, a 6,250kW ball mill gear at output speed has a required rim thickness value of 210mm ( in) in a tee configuration whereas the box Y gear has 165mm ( in). This reduces the overall weight of the gear to 61,600 kg (135,700 lbs.) in a box Y configuration but 67,500 kg (148,700 lbs.) as a tee configuration.
WhatsApp: +86 18838072829Girth gears are now being used to drive ball and SAG mills having total installed power in excess of 17,000 kW (23,000 hp). The development of highhardness materials suitable for these applications has resulted in the design and manufacturing of cast girth gears up to 350 HBW in steel and 340 HBW in ductile iron.
WhatsApp: +86 18838072829Girth gears for critical applications 02 03 Girth gears are used in a number of the world's critical industries, including mining, cement and minerals. Usually fitted to the outside of horizontal mills, rotary mills and kilns, girth gears provide the system's primary rotational drive and as such need to be robust, efficient and built to ...
WhatsApp: +86 18838072829The bidder should have manufactured and supplied metres diameter or higher size of girth gear and the same should have been in successful operation for a period of not less than one year before the date technocommercial bid opening. The supplier shall submit the reference list of girth gears of meters of diameter or
WhatsApp: +86 18838072829Anonymous Poster #1. # 4. Re: Ball Mill Girth Gear and Pinion Alignment. 08/27/2011 2:07 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 the gears.
WhatsApp: +86 18838072829Monitoring pinion temperatures on mill gear pinions is an effective and efficient means of monitoring alignment and operating condition. Toll Free USA +1 (866) ; Worldwide +1 (715) ; ... Mill, Kiln Girth Gear Risk Assessments; Girth Gear Reliability and Failure Analysis; ... We use a ball mill for production, but our project ...
WhatsApp: +86 18838072829Ball Mill Girth Gear Alignment particle size is less than end products in cubic shape,the impact crusher is widely used for sand and rock producing in the industry of roads,railways,reservoir,electricity power and building materials and so gear double pinion root clearance ..Pinion Root Clearance Adjustment ...
WhatsApp: +86 18838072829The 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. 1). Proper alignment should consist of: axial and radial alignment of the girth gear to the center line of kiln/mill; center line of the driving pinion is aligned to the center line
WhatsApp: +86 18838072829mills and ball mills for use in the mining and cement industries. By current standards, girth gears can be as large as 14 meters (46 feet) in diameter, meters (44 inches) face width, and 50 module (.5 DP) tooth size, and weighing upwards of 120 tons. Flange mounted gears rely, in large part, on the mill structure to provide the stiffness ...
WhatsApp: +86 18838072829There are three ways to align the pinion skew to the girth gear; 1) Using the pitch lines 2) Setting root clearance 3) Setting backlash (only applicable to a new gear and pinion). Measuring the root clearance is best done using Babbitt or lead slugs. Use % 1" diameter Babbitt slugs about 1 to 2" in length.
WhatsApp: +86 18838072829cific to mill drives apply: No alignment of the drive train required, as necessary for pinion drives; girth gear, pinion, bearings, gear boxes (optionally) and motors require a precise alignment ... Figure 3 Overview of different drive solutions for conveyors: 5 timetaking grinding out of the ball mill. Ball mills with Energy savings ...
WhatsApp: +86 18838072829Measure and check the gear alignment. NoLoad Conditions. ... 2800kW Ball Mill. APPENDIX 4 GIRTH PINION GEAR DATA. GIRTH GEAR AND PINION DATA GIRTH GEAR Type. Single Helical. Number of Teeth. 182. Pitch. ... 04coupling 304 04coupling 304 Manuel Díaz Villouta. Coupling Install.
WhatsApp: +86 18838072829Mill lifting at inlet/outlet. Mill slide ring radial run out. Measurement of Girth Gear axial and radial runout. Measurement of root gap backlash of gear and pinion. Inspection of trunion lubrication unit. Visual inspection of mill components. BMI Services NDT analysis of Mill Components. Inspection and Alignment of Mill Components.
WhatsApp: +86 18838072829ball mill pinion alignment pdf ? Grinding Mill China. II84 in pinion alignment. It was found that the only way to stop the . whereas the damage on the other ball mill gears was on the nondrive side. ... ball mill girth gear alignment. II84 The pinion and girth gears of two 9 MW ball mills exhibited severe scoring within . and the gears ...
WhatsApp: +86 18838072829The tip clearance should be. a) Able to take care of the thermal expansions during the operations. The gear ratio shows it to be a large gear. Our gears with ratio 222/27 ahs a diameter of more than 5m. b) Take care of the profile machiining the root radius etc should not be damaged during hobbing the involute.
WhatsApp: +86 18838072829turn the girth gear around on the mill and run it on the back flank. 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. The David Brown standard is a maximum temperature difference (DeltaT) of 6 degrees
WhatsApp: +86 18838072829Those ball mills correspond to different mill power, such as for tumbler mill with 3050 W kg −1 (Varin et al. 2009), for a vibratory mill with W kg −1, and for the planetary mill with 900036,000 W kg −1 (Avolio et al. 2012). During the milling process, various stress actions occur simultaneously like compression ...
WhatsApp: +86 18838072829This video shows how a Girth Gear is mounted on alignment fixtures, during Girth Gear reversal the alignment fixtures are handy and help us to adjust the Gir...
WhatsApp: +86 18838072829sbm ball mill girth gear alignment pdfMill and Kiln Gears Lyttelton Mill and Kiln Gears i DAVID BROWN MILL AND KILN GEARS Product Safety Information General The following information is important in ensuring must be brought to the attention of personnel involved in the selection of David Brown Intelligent gearing system—solution to understand and. 2009 8 26 ·ensp ...
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WhatsApp: +86 18838072829