Erection and Commissioning Issues for Large Grinding Mill
2001 1 1 Feed to the SAG mills is via a rock box type feed chute on a cart The mills discharge on to trommel screens with a bucket wheel to remove the oversize.The ball mills are 22 x 36.5 36 EGL with 12 500 HP drives The drive arrangements are dual pinion through pneumatic clutches.
Chat OnlinePDF Autogenous and Semi Autogenous Mills 2015 Update
Mill designs are of f the shelf tod ay for a SAG mill of up to 28 MW followed by t wo Ball Mills o f up to 24 MW It is possible to have a single processing line c apable of handling over 200 000
Chat OnlinePurchase of New SAG Mill from First Majestic Silver Corp
2021 3 15 The purchase of a complete new SAG Mill Package sizes the mill at 2 300tpd or 0.8Mtpa with the existing motor The installation of a larger 4 100 kW motor could allow a daily throughput rate to
Chat OnlineBurgess BLA
These site services consist of the following Installation and maintenance of new or used ball sag and cement mills kilns fans crushers and large rotating equipment Removal of sole plates refurbishment and re installation to OEM specifications utilising flatness lasers digital levels Replacement of large roller bearings up to 1800
Chat OnlineMill Pinion Gears
Mill Pinion Gears Our high torque high precision integral and non integral mill pinions are used in SAG horizontal ball mill and rotary kiln applications across the globe Whether it s a brand new gearbox for a complex industrial process or service and repair of an existing installation let us know Product information enquiry.
Chat OnlineDetection of Pillow Block Bearings Defect Using Infrared
2016 10 1 2.SAG mill Golgohar mineral and industrial company has three processing line of iron ore concentrate and there is a semi auto genius mill dry mill with power 3 Mw in each one These mills are categorized as vital equipment and any problem of them could lead to processing line down time Figure 1 shows Schematic view of dry mill.
Chat OnlineTwin channel India Twin channel Manufacturers Twin
Being a leading manufacturers exporters and supplier of twin channel machines we have been assisting a number of rolling mill plants These have been designed to make working in conjunction with braking pinch rolls possible Harjot International caters array of Twin Channel which are sturdy in construction and technically advanced.
Chat OnlineDumont Nickel Technical expertise applied to large scale
The comminution circuit includes crushing and features a 21mw SAG mill with gearless motor drive and two 16mw twin pinion ball mills The plant design incorporates conventional flotation magnetic separation and concentrate thickening and filtration to produce nickel concentrate The plan is for an expansion in Year 5 to 105 000 t/d which will
Chat OnlineINTELLIGENT GEARING SYSTEM SOLUTION TO
2009 8 26 The mill drive system consists of the main mill motor the main reduction gear box mill pinion and girth gear The mill is also equipped with a barring drive which is either connected to the main drive reduction unit or alternatively mounted at the back of the main motor Refer to Figure 2 for a schematic of the mill drive system.
Chat OnlineChina Luoyang Hengin Heavy Industry Technology Co Ltd
SAG Mill Liner Ball Mill Liner/Rod Mill Liner Crusher Liners Stirred Mill Liner Cement Parts Pinion shafts and shafts 2 Pinion Installation Flange End Surface Runout mm 3 Gear meshing contact requirements Table3
Chat OnlineChina Luoyang Hengin Heavy Industry Technology Co Ltd
SAG Mill Liner Ball Mill Liner/Rod Mill Liner Crusher Liners Stirred Mill Liner Cement Parts Pinion shafts and shafts 2 Pinion Installation Flange End Surface Runout mm 3 Gear meshing contact requirements Table3
Chat Onlineinstallation twin pinion ball mill
installation twin pinion ball mill installation twin pinion ball mill Mills SAG Ball RodCJT Surplus Equipment 2 Unused 7.3m dia x 12.5m long 24 x 41 Polysius ball mills twin 7 MW 18 long Kennedy Van Saun ball mill steel lined ring and pinion gear with 1250 HP Chat Online noise on ball mill after pinion
Chat OnlineTarkwa SDG
Description This gold mine was the first to install Mill Safe Start Systems on both their Ball mill dual pinion 14 MW and Sag mill We actively monitored these mills ever since.
Chat OnlineErection and Commissioning Issues for Large Grinding Mill
2001 1 1 Feed to the SAG mills is via a rock box type feed chute on a cart The mills discharge on to trommel screens with a bucket wheel to remove the oversize.The ball mills are 22 x 36.5 36 EGL with 12 500 HP drives The drive arrangements are dual pinion through pneumatic clutches.
Chat OnlineImproved Productivity in Mining
2017 8 17 Torque limiting couplings in a ball mill Ball and SAG Mills In the grinding process the dual pinion drives can sometimes come out of sync due to problems in the motor control system Frozen or solidified minerals inside the mill might also cause torque
Chat OnlineMill drives the desire for increased power and the
2021 9 11 SAG mill drives as GMDs by some operators and principal motor designers/manufacturers until the reasons for known problems in design or manufacturing were better understood and resolved Accordingly the latest 40 ft dia SAG mill is rated at 29 MW and 78 C.S with a 42 ft dia mill built but not yet operational The more recent option
Chat OnlineGrinding Mills
SAG mill product feeds two parallel ball mills of 6.6 m 11.1 m internal diameter length each with a 9.7 MW twin pinion drive The ball mills are operated at a ball charge volume of 30–32 and 78.5 critical speed The SAG mill trommel undersize is combined with the ball mills discharge and pumped to two parallel packs clusters of
Chat Onlinedual pinion sag mill vs single pinion sag mill
Sag mill is fitted with a dual pinion drive 6.5 mw per pinion and is driven by a variable speed drive comprised of a serhyper synchronous drive the 24 ft 39 ft 13 mw ball mill is driven by dual 6.5 mw wound rotor motors through reduction boxes and gear and pinion drives the sag mill discharge is screened on a rotating trommel.
Chat OnlinePogo Expansion
Debottlenecking of existing infrastructure grinding flotation tail WTP and ORTW pumps mill pinion sag cube and pre leach thickener control upgrades Design and installation of 18m insulated thickener and associated equipment Plate and frame filter building and associated equipment.
Chat OnlineNN NSY
2020 5 16 Girth gears SAG Mill eads Trunnions Ball Mill head in halves ubrication units ERmaster Single and multi stage reducers GRNDNG Ball and SAG Mills ERmaster nching drive brake system Pinions Bearings Parallel shaft reducers Compact lateral drives ERmill Single pinion self aligning drive Millrex Dual pinion self aligning drive 2 3 stages Spring
Chat OnlineGALLERY MONTY PRESTIGE ENGINEERING AND
installing a mill pinion A RIGGED TRUNNION WITH THE TRUNNION BEARING READY FOR INSTALLATION INSTALLING A SECTION OF A 38 #039 X 18 #039 SAG MILL
Chat OnlineMinerals Australia Nickel West
Mill Twin Pinion single stage semi autonomous grinding SAG mill 12 pack cyclone cluster Double deck pebble discharge screen Liner handler Outflow Cyclone overflow trash screen Particle size analyser Transfer pumps and hoppers NPI Sub station HV 132 kV > 11 kV sub station MCC and switch yard Reticulation to processing infrastructure
Chat OnlineThe Effect of Start Up Load Conditions on Gearbox
2014 7 17 installation examined many failed gears and calculated the load capacity ratings for the gearboxes under actual operating conditions This paper describes the failures observed the testing conducted the data analyses and the effect of the high measuting torque on the life and performance of the gear systems.
Chat OnlineSAG mills
Gearless mill drive GMD technology has further expanded the use of large SAG milling allowing Outotec to produce the world s largest SAG mill of 42 in diameter drawing power at 28 MW Today Outotec is the world leading supplier of gearless SAG mills operating globally.
Chat OnlineSKF Performance Contracts for Horizontal Grinding Mills
The SKF IMx S condition monitoring system was set up and configured with appropriate alarm thresholds After monitoring the SAG mill for just under three months warning signs appeared in the data An analysis of a waterfall diagram showed that sidebands had developed around the input pinion gear frequency indicative of the wear on the gears.
Chat OnlineGirth Gears
2017 5 22 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 46 feet in diameter 1.1 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 pro
Chat Online32 x 18.75 Egl Sag Mill With 15416 HP 11500 KW
32 x 18.75 Egl Sag Mill With 15416 HP 11500 KW Twin pinion 5750 Kw Motors variable speed Drive for sale manufactured by Contact A
Chat OnlineSAG VERTICAL MILL 4500 SERIES INSTALLATION AT
2018 4 2 Degbed Company Limited was contracted by Group Five Projects for the installation of 20 X 13.5 Sag Mill and 4500 series Vertical mill on the Natougou Gold Project The mills were manufactured by Minerals.All installations were done with adherence to Internationals Standards.The project is still on going and is expected to be commissioned and handed over to the client by end of April.
Chat OnlineGALLERY MONTY PRESTIGE ENGINEERING AND
installing a mill pinion A RIGGED TRUNNION WITH THE TRUNNION BEARING READY FOR INSTALLATION INSTALLING A SECTION OF A 38 #039 X 18 #039 SAG MILL
Chat OnlineMinerals Australia Nickel West
Mill Twin Pinion single stage semi autonomous grinding SAG mill 12 pack cyclone cluster Double deck pebble discharge screen Liner handler Outflow Cyclone overflow trash screen Particle size analyser Transfer pumps and hoppers NPI Sub station HV 132 kV > 11 kV sub station MCC and switch yard Reticulation to processing infrastructure
Chat OnlineTwin Drive Gearbox For Reversing Cold Mill Shanthi Gears
Address 304 A Shanthi Gears Road Singanallur Coimbatore 641 005 Tamil Nadu India Phone No 91 422 Fax 91 422
Chat OnlineClaim Case Study
2014 3 17 This area includes the largest item of work the installation of the SAG mill The SAG mill consists of a center shell and 2 heads one at each end the feed head and the discharge head The shell and the 2 heads consist of three sections At the centre of the head section a trunnion is bolted.
Chat OnlineDetection of Pillow Block Bearings Defect Using Infrared
2016 10 1 2.SAG mill Golgohar mineral and industrial company has three processing line of iron ore concentrate and there is a semi auto genius mill dry mill with power 3 Mw in each one These mills are categorized as vital equipment and any problem of them could lead to processing line down time Figure 1 shows Schematic view of dry mill.
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