sag mill girth gear temperature problems at start up

  • Replacement Of Rawmill Girthgear

    Grinding Mill Gear AssemblyMineral Processing. We will begin with the mill s bull gear assembly and work towards the motor The BULL GEAR sometimes called the RING GEAR is designed to turn the mill transforming the energy of the motor into motion for the mill By mill we refer to Ball Mills Rod Mills and SAG Mills Anything gear and pinion really The discharge end of the mill For the operator

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  • Mill (grinding)Wikipedia

    SAG is an acronym for semi-autogenous grinding. SAG mills are autogenous mills that also use grinding balls like a ball mill. A SAG mill is usually a primary or first stage grinder. SAG mills use a ball charge of 8 to 21 . The largest SAG mill is 42 (12.8m) in diameter powered by a 28 MW (38 000 HP) motor. A SAG mill with a 44 (13.4m

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  • Services Gujarat IndiaCarver Welding

    B. KILN DRIVE /CEMENT/RAW MILL GIRTH GEAR Base Metal -The Girth gear is made up of low alloy steel and is cast in structure and the teeth are flame hardened to get 250-350 BHN hardness. Problem - 1. The teeth wearing out due to friction and pressure TOTAL WELDING SOLUTIONS PROVIDER Critical Components in Cement Industry C. KILN DRIVE/CEMENT

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  • ball mill gear alignmentmobilistico

    GIRTH GEAR. Elastic mill sag by weight of mill balls and materia to grind A After temporary alignment of the teeth of pinion and girth gear with the mill empty Fig 8a realignment should be undertaken with the mill filled with mill balls i e with reference to the elastic sag in cold con dition Fig 8b. Ball mill maintenance Prime Machine Inc

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  • Basis WeightPCE Pacific

    The problem is maintenance of these specialized actuators high-cost dedicated spares are required. Typically there is a lack of in-house expertise to service these actuators resulting in production downtime and the need to troubleshoot basis weight valve issues.

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  • Lubrication of large gear drives

    gear teeth quality of gear rims in kilns is 9 to 10 according to ISO 1328 (AGMA 2000 = 8 to 9) and 8 to 9 according to ISO in mills (AGMA 2000 = 9 to 10). The transmission ratio is often between 6 and 15. Modules In mill drives modules of between 18 mm and 36 mm are frequently found with the large ones of up to 36 mm being most common in the

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  • 2009 Gearless Mill DrivesCB MUA

    marsh.ca marsh Gearless Mill Drives Machinery Risk Solutions Practice 2009 Matt Dugalic P.Eng. MARSHMRSP Risk Consultant VP Kurt Tischler Dipl.-Ing. Siemens

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  • Grinding mills ee Online Library

    The standard line of mills includes autogenous ( AG ) and semiautogenous ( SAG ) mills beginning with a 6 ft x 2 ft ( 1.83 m x 0.61 m ) 25 hp ( 18.7 kW ) laboratory mill and is followed by 12 ft to 36 ft ( 3.7 m to 11 m ) diameter mills ranging in power from 150 to 20 000 hp ( 112 to 14 900 kW ).

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  • Lincoln Quicklub centralized and automatic lubrication systems

    The Lincoln Quicklub system is designed to provide a relatively simple and inexpensive method of centralizing or automating the lubrication of machinery bearings. Quicklub can be a simple centralized system with lubricant supplied manually from a lever gun. Pre-assembled kits are available to service up to 12 points from a single grease fitting.

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  • Speciality Lubricants for girth gear drives from Kluber

    The high investment costs for large girth gear drives pays off with maximum uptime. Therefore we offer KlüberEfficiencySupport an extensive package of services including running-in lubrication of new or turned large gears inspection and maintenance of open drives mechanical treatment of gear drives and smoothing of minor damage using our special chemical grinding procedure.

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  • Dean SomervilleCustomer Support TechnicianOutotec

    Installation of Sag mill Ball mill Installations of gear boxes pinions and girth gears Inspections of pinion gear teeth and girth gear teeth Inspections of Trunnion Bearings on ball mills Shimming Pinions and alignment of drive train Rebuilding gear boxes fitting bearings exciters agitators.

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  • Concasseur A Gravier Et Sable Algerie

    Sag mill ring gear failure. Sag mill bull gear dezandtuinnl sag mill ball mill ring gear dual pinion drive systems variable speed many of these mills have large open bull or ring gear and pinion contact supplier was impacted by the sag mill bull gear failure in february. Read More Sag mill ring gear

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  • ALIGNMENTAdobe

    Alignment In order to obtain optimum service life from a ® engine and its driven equipment correct alignment between the units is required. Improper alignment results in excessive vibration short life of driven equipment/ compound bearing and coupling clutch parts and frequent re-alignment.

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  • Lincoln Quicklub centralized and automatic lubrication systems

    The Lincoln Quicklub system is designed to provide a relatively simple and inexpensive method of centralizing or automating the lubrication of machinery bearings. Quicklub can be a simple centralized system with lubricant supplied manually from a lever gun. Pre-assembled kits are available to service up to 12 points from a single grease fitting.

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  • manufacture ball mill pinion gear

    Ring gear drives huge grinding mill Machine Design. Following the SAG mill will be two 9 000-hp ball mills each one 20-ft in diam. hp to the mill Allis Mineral Systems selected a ring-gear drive with two pinions. But it requires manufacturing the largest most powerful ring gear ever made for Girth Gears Industrial Girth Gears and Girth Gear

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  • INTELLIGENT GEARING SYSTEMSOLUTION TO

    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

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  • Paper # 25Copper Mountain Overview on the Grinding

    gear drives on mills in South Africa SAG conference 2006 Vancouver Rufli M. van de Vijfeijken M (2011). Sophisticated ring gear mill drivesfeatures and experiences CMP conference 2011 Ottawa

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  • Detection of Pillow Block Bearings Defect Using Infrared

    temperature in the first four inspections was 5°C.The weight of SAG-mill varies with the capacity rate of input and output materials. The power of electro-motor will change directly with changes of SAG-mill weight. Consequently the power of electro-motor is depended on the capacity rate of input and output materials of SAG-mill. Fig. 5.

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  • Lubrication of large gear drives

    gear teeth quality of gear rims in kilns is 9 to 10 according to ISO 1328 (AGMA 2000 = 8 to 9) and 8 to 9 according to ISO in mills (AGMA 2000 = 9 to 10). The transmission ratio is often between 6 and 15. Modules In mill drives modules of between 18 mm and 36 mm are frequently found with the large ones of up to 36 mm being most common in the

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  • Sag Mill Liner Bolts Products Suppliers Engineering360

    Caplugs Conductive Edge Liners Caplugs Series CEG Edge Liners securely grip each contact of edgeboard connectors and are also used for single in-line devices. These extruded conductive edge liners are the most cost-effective way to provide both ESD and physical protection for circuit boards and subassemblies. All static dissipative parts meet the static decay requirements of MIL-PRF-81705D and

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  • Benefits of continuous data acquisition from critical

    the lubrication problem was detected at an early stage Case 2) asset analytics system installed to overlook two (2) GMDs of 38 feet ( 11.6 m) diameter SAG mill drives in a remote location recording simultaneously data of relevant electrical and mechanical parameters with focus on the wraparound gearless mill motor (synchronous machines)

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  • Ball Mill Maintenance Installation Procedure

    Metallurgical ContentBall Mill Maintenance ManualOn Mill Installation and MaintenanceBall Mill Concrete FoundationsGrinding Mill FOUNDATIONGROUTINGBall Mill Sole Plate Am sure your Ball Mill is considered the finest possible grinding mill available. As such you will find it is designed and constructed according to heavy duty specifications. It is designed along sound engineering principles

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  • Tank ProtectionVinson Process

    Tank Protection Vinson provides the necessary tank management components for service installation and engineering to ensure the most advanced safety and emissions control. Explosion and environmental protection during processing storage and transport in a variety of industries are common concerns.

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  • Oil presentationLinkedIn SlideShare

    Aug 20 2015 · Girth-Gear 3. Pinion 4. Pinion Bearings 5. Gearbox 6. Motor Bearing 7. Motor SAG Mill2 11 3 44 5 7 66 20. In-Line Return Sediment Vessel Oil Tank Mill Bearing Return Oil Sediment Filter Assembly Filter Bags Non-Solute Water (When an oil-water mixture are under pressure water "dissolves" into the oil giving it a milky- contaminated texture.

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  • Achieving SAG Mill Design Production at Start-Up Using

    The Lake Shore Gold startup (2014) see below is an example of a good SAG start-up. SAG milling is different and has taken a longer time to become reliable technology. During the last 20 years it has been replacing rod/ball grinding for new projects because the lower ore grades now available must be mined at much higher tonnages to be profitable.

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  • Tank ProtectionVinson Process

    Tank Protection Vinson provides the necessary tank management components for service installation and engineering to ensure the most advanced safety and emissions control. Explosion and environmental protection during processing storage and transport in a variety of industries are common concerns.

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  • Identifying Resolving Common Rotary Kiln Processing

    Misalignment can present itself in a number of different ways but is a common underlying problem of other issues. Signs of a misaligned kiln often include wear on load-bearing surfaces after resurfacing audible vibrations or "chattering " or damage to any of the following tires/riding rings thrust rollers trunnion wheels pinion/girth

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  • Identifying Resolving Common Rotary Kiln Processing

    Misalignment can present itself in a number of different ways but is a common underlying problem of other issues. Signs of a misaligned kiln often include wear on load-bearing surfaces after resurfacing audible vibrations or "chattering " or damage to any of the following tires/riding rings thrust rollers trunnion wheels pinion/girth

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  • Sag Mill Drives Girth Gears At 18000 Hplaboiteagateaux

    Nov 5 2007 The SAG mills use a minimal ball charge of 6 to 15 . enith Minerals FLenith Minerals Fuller Traylor SAG AG mills Outotec Oyj Girth Gears at 18 000 HP Operation and Performance SAG mill control targeted. Get Price. Get Price Pinion Girth Ring Ball Mill Mounting Instructions. Girth gear manufacturer manual sag mill learnpiano.

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  • Girth Gear RCFA sCR4 Discussion Thread

    Sep 22 2011 · Re Girth Gear RCFA s 09/18/2011 11 09 AM The line that is an indication of broken tooth starts 4 times exactly at the transition from flank to bottom of the tooth.

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  • Services Gujarat IndiaCarver Welding

    B. KILN DRIVE /CEMENT/RAW MILL GIRTH GEAR Base Metal -The Girth gear is made up of low alloy steel and is cast in structure and the teeth are flame hardened to get 250-350 BHN hardness. Problem - 1. The teeth wearing out due to friction and pressure TOTAL WELDING SOLUTIONS PROVIDER Critical Components in Cement Industry C. KILN DRIVE/CEMENT

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  • Ford 4.9l (300 c.i.d.) Hesitation and Startup FixYouTube

    Jan 10 2011 · A common issue on Ford s 4.9l (300 c.i.d.) I-6 is hesitation and startup trouble. Simply remove the connector to the throttle position sensor and the idle speed controller and clean the terminals

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  • (PDF) Technical Evaluation and Practical Experience of

    T wo technologies are used in high-power mills girth gear with double pinion and gearless motor . Fig. 1 presents the typical configuration of a mill with a girth

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  • Autogenous and Semi-Autogenous Mills FL

    Single stage SAG Mills are very beneficial in reducing CAPEX for plants with a staged throughput approach. When future tonnage is to be increased the SAG Mill can feed downstream ball milling to boost capacity. Fuller-Traylor SAG/AG Mills range in size from 4.3m through 12.2m in diameter with powers as high as 28 000 kW.

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  • William QuinnDirector of Engineering-Mill Products at

    With industry specific knowledge and experience working with some of the world s largest ball/AG/SAG mill drives and kiln/dryer transmissions driven by gears over 40 feet in diameter. Show more

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  • MillingEnergy intensive and high maintenance

    the start-up. Figure 5. The WRIM LRS is causing high transient torques during the start-up. Based on a study done by Anglo Technical Division presented in a technical paper on the occasion of the SAG 2006 in Vancouver B. C. Canada "Lessons learnt from recent failures of gear drives on mills

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