sag mill girth gear temperature problems at start up

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Selecting Inching Drives for Mill and Kiln Applications

the mill gear in inching mode N o_mill is the actual output speed of the mill gear in normal running mode P mill_motor is the actual power of the main drive motor or 2 x main drive motor for dual pinion driv The power computed above is considered P inch = N o_inch P mill_motor N o_mill...

fail clutch ball mill

failure analysis of the girth gear of an industrial ball mill failure analysis of the girth gear of an industrial ball mill Cadia Girth Gear Failures eand 2014 9 22 In summary the analysis showed that the non uniform shape of the girth gear resulted in differential thermal expansion ie more expansion on one side of the gear vs the other...

Identifying Resolving Common Rotary Kiln Processing

Misalignment can present itself in a number of different ways but is a common underlying problem of other issu 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...

ball mill mw cngfmq lubrication

Dec 29 2011 Conveyers Coal Mill Ball mill Gear box Rotating Furnace Girth Gear Specialty Grease dispenser Gear Oil Greases All Purpose EP type High temperature Grease Specialty Girth Gear Lubricantiv Clinker Grinding Section Grinding The clinker is then cooled on- line and blended with Gypsum and ground to the...

ball mill oil system

2011 12 29 Conveyers Coal Mill Ball mill Gear box Rotating Furnace Girth Gear Specialty Grease dispenserGear Oil GreasesAll Purpose EP type High temperature Grease Specialty Girth Gear Lubricantiv Clinker Grinding Section Grinding The clinker is then cooled on line and blended with Gypsum and ground to the desiredspecifications...

Reliability/Machinery Health

Using the Emerson AMS 6500 Machinery Health Monitor your staff can continuously monitor critical drives gearboxes and pulleys from the safety of a centralized operations centre The AMS 6500 exposes elevating machinery stress with a patented signal processing approach and surfaces real problems to your staff for corrective action...

Cement Industry Lubricants Lubricants Center

Their top-selling Gear Shield® open-gear lubricants series for Cement Equipment ball mills kilns open girth gears gear oil for cement mill gearbox and other applications Petron proven cement industry grease lubricants are trusted to lubricate hundreds of open gear sets on kilns and mills throughout the cement industry worldwide...

ball mill liner

Oct 28 2020 0183 32 ball mill liner News Date 2020-10-28 13 51 25 The ball mill liner mainly plays three rol One is to protect the ball mill cylinder and the liner is close to the cylinder forming a separation between the cylinder and the mineral material and medium which plays a good buffering effect...

Trent Kessner

Trent was the instrument Tech/Electrician/ HV eletrician on site Trent has an nothing is to hard attatude and a very high safety standart both in and out of workAs a plant supervisor in processing trent was an asset to our operation and would highly recomend him to any organisation...

Girth Gear RCFA s

Sep 22 2011 0183 32 In May 2011 I experienced a girth gear teeth failure on the joints on one of my Ball Mill and recently I just experienced the more or less the same failure on my other Ball Mill See Mill Spec and Attched Pictur ROM SAG Mill Mill Type Grate discharge dry grinding ball mill Construction The mill is constructed from a fabricated shell...

Cost Saving Lubricants For Open Gears Lubricants Center

Petron Gear Shield® NC is best grease for metal gears which can be used in Ball Mills Sag Mills Rod Mills Balling Discs Kilns Dryers Quenchers and Mixers Petron Gear Shield® NC is open gear grease spray that can be applied by spraying brushing or dripping Petron Gear Shield® NC is designed to be sprayed through all automatic lubrication equipment...

Lrs And Ser For A Sag Mill Ball Mill

Ring Motor Sag Mill Ring gear drives huge grinding mill this mill uses a ringmotor drive figure 5 the sag mill is followed by in a ball mill the pinion is reversed after pinion on sag mill luigispizzapastashawano pinion gear sag mill girth gears or the singlehelical sag mill girth gear designs at the moment with dual pinion mills up to america for...

Central or Girth Gear Drive For Ball Mills

Central or Girth Gear Drive for Ball Mills - 1 - Free download as PDF File pdf Text File txt or read online for free About the Girth Gear used in ball mills...

how to repair a crack of trunnion of ball mill

Jan 31 2013 0183 32 Big Iron - InfoMine rotating element trunnion bearings and drive excluding electric first SAG/ball mill completed was a 4 m x 14 m dry AG mill manufactures sells and repairs all loading tools and truck cracks the mine was used to seeing...

GIRTH GEAR PROBLEM AMP Maintenance Forums

Mar 05 2014 0183 32 Dear friends We have just finished to installation girth gear of ball mill all measurement are good in cold conditions but after ball mill worked temperatures of mill and gear increased and gaping of girth gear joints are opened a little bit pitch errors between the two girth gear halves due to temperature what can we do to solve this problem...

Girth Gears

Flange-mounted 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 industri By current stan-dards girth gears can be as large as 14 meters 46 feet in diameter 11 meters 44 inches face width...

Ball Mill EDM Mill Grinding Gear

Suitable for big and small mills Notch impact strength 4 10 J/cm2 29 HGRS Tikaria_Mill Workshop SEPT-07 Life Time of Shell Liners 30 HGRS Tikaria_Mill Workshop SEPT-07 Grinding Media Coarse grinding 90 50 mm Fine grinding 50 12 mm 31 HGRS Tikaria_Mill Workshop SEPT-07 Grinding in Ball Mill Coarse grinding 1 st chamber Cataracting of...

Ball Mill Area Lube Piping

Lubrication System Of A Sag Mill We deal with all kinds of used ball mills and sag mills for sale 1 ball mill gm085 2ft x 3ft ball mill stainless steel reliance motor 12 hp size high low pressure bearing lubrication system gear spray lubrication system all sole Vertical Ball Mill...

sag mill polysius

The AG/SAG mill is normally installed upstream of a tube mill operating in closed circuit with hydrocyclon The material discharged from the AG/SAG mill is either fed directly to the tube mill or first screened If a screen is used the screen overflow of the AG/SAG mill is returned for further grinding either directly or via a crusher Get Price...

a barring gear in ball mills

Apr 24 2018 0183 32 GIRTH GEAR artec-machine Gear cutting of a split girth gear for a cement mill having an input power of 2200 HP 5 Separate mill A Damage to mill cylinder neck or stub endanger girth gear and pinion Repairs entail extra work for girth gear dismantling B Damage to mill cylinder cannot endanger gear teeth Mill repairs do not entail gear...

Industrial Solutions polysius ball mills

hardened toothed wheels and its simple oil lubrication system this gear unit offers optimum operating conditions For less drive power a direct drive with a toothed wheel and pinion is ideal In both gear unit types the girth gear and the slide ring with sliding shoes are incorporated in a single housing...

Comparison between drive systems for cement Ball Mill

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 re-alignment 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 Gear Troubleshooting

from installing almost 4000 ball mills around the world to carry out picture of potential problem areas as gear temperature is measured using a non-contact Read more failure analysis of the girth gear of an industrial ball mill...

OILS LUBRICANTS Looking after open gears

mills and kilns This equipment is indispensable and special significance is attributed to its operational safety also involving its lubrication A variety of lubricants are available for open-gear lubrication with the design of the open gear and the method of application determining the requirements on the lubricant...

Ball Mill Slide Shoe Bearings

Jun 22 2010 0183 32 Are you sure where the TIN comes from - do you have a side drive mill with girth gear ie oil circuit is for mill slide brgs and side drive gearbox I am not sure of our TIN content in our oil - have not checked - but I think that you have issues to follow up Is the mill support foundation OK - did you have a as built survey levels...

PDF Evaluation of synchronous motors on grinding mills

The subject of this paper is a synchronous drive of grinding ball mills 4 MW 150 rpm 6 kV 50 Hz on the base of PWM CSI The system is installed at the concentrating plant of Norilsknickel in...

Vibration Analysis

Vibration data is the cornerstone of predictive intelligence Using the award winning Emerson AMS 2140 analyzer our technicians can provide standalone vibration route based data collection and analysis or we can coexist with your site Team Route based analysis provides early indications of imbalance misalignment bearing sleeve gear and...

Peter Warner

In addition by recording the rotor currents at start-up comprehensive liquid resistance starter performance analysis can be performed ensuring the early detection of liquid resistance starter problems and enabling corrective action to prevent damage to electrical motors gearboxes pinion gears and girth gear...

Cement Kilns Mills Open Girth Gears Lubricants Types and

Sep 14 2021 0183 32 Girth gears are divided into two basic categories tangential spring mounting and flange mounting Flange-mounted large gears are the more common of the two and are most commonly used in cold processing equipment such as semi-automatic grinding SAG mills and ball mills used in the mining and cement industri...

cement ball mill lubrication system

Lubri ion System For Ball Mill Girth gear lubri ion system for cement ball millrotary working principle of girth gear lubri ion system for cement ball mill rotary kiln ball milla kind of horizontal drumtype rotating device is a grate mill withexternal gear and double bins materials shall be evenly charged through quill shaft in feeding device...

Ball mill high vibs AMP Maintenance Forums

Hi Observing high vibs on pressing and lifting pinion DE and NDE bearing on a ball mill Motor and main GB drive are OK Clear predominant gear mesh frequency is appearing in the spectrum along with harmonics and side bands But 1st GMF is predominant side bands with pinion speed is seen no GG speed side band was observed Some of the vib data spectrums and photos shown in the attachment...

Ball Mill Maintenance Installation Procedure

Oct 19 2016 0183 32 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 DISCHARGE HOUSING Doghouse...

PDF Technical Evaluation and Practical Experience of

Voltage waveform at the rectifier input side of an 18 000-hp LCI SAG mill drive a Line-to-line bus voltage waveform 11 270-V peak T wo technologies are used in high-power mills girth gear...

Pinion Shaft

Tumbling mills are most commonly rotated by a pinion meshing with a girth ring bolted to one end of the machine Figure 710 The pinion shaft is either coupled directly or via a clutch to the output shaft of a slow-speed synchronous motor or to the output shaft of a motor-driven helical or double helical gear reducer In some mills...

Reliability/Machinery Health

Continuously monitoring key vehicle systems such as the hoist crowd and swing the AMS 6500 exposes elevating machinery stress with a patented signal processing approach and surfaces real problems to your staff for corrective action This technology is so effective at early fault detection Joy Global offers the AMS 6500 as a standard value...

Rotary Kiln Maintenance Procedures

Rotary Kiln Maintenance Procedures State of the Art Rotary Kiln Maintenance Technology 5078 Bristol Industrial Way Bldg 100 Buford GA 30518 Phone 770 831-8229 Fax 770 831-3357...

Tube Mills Mill Grinding Gear

Tube Mills - Free download as Powerpoint Presentation ppt PDF File pdf Text File txt or view presentation slides online IMPORTANT DATA TO DESIGN A TUBE MILL ROD TUBE MILLS BALL MILLS PEBBLE MILL CHAMBER-BALL MILLS CONCICAL BALL MILLS CONSTRUCTION OF A MILL -...

gear boxes flender for vertical mills

Flender Gear Boxes For Cement Ball Mill Gold Ore 202049Flender gearbox sensor for vartecal mill and corn into a wide range of secondary cement mill flender gearbox flender gear boxes for cement ball mill 727 online cementos la cru aul flor another vertical mill in 2005 cementos la cru aul also encountered problems with the gearbox replacement...

reasons for ball mill bearings failure

Ball mill working principle Ball Mill for beneficiation product line the existing ball mill starting mode and the control mode is not saving though when the existing ball mill force of the impact is very large so the ball mill bearings voltage drop can also cause severe tripping and other equipment failures...

A Practical Guide to Shaft Alignment

problem of poor installation practice by the introduction of cartridge type seals which can be installed with little or no site assembly Seals however have precision ground and honed components with finished accuracy of 2 microns 008 mils they do not tolerate operation in a poorly aligned condition face rubbing elevated temperatures and...

The Dynisco Extrusion Processors Handbook

The Dynisco Extrusion Processors Handbook 2nd edition Written by John Goff and Tony Whelan Edited by Don DeLaney...

An Elementary Guide to Gear Inspection Gear Solutions

Jun 01 2005 0183 32 Composite inspection is a useful shop-friendly tool to determine the general quality of a gear including size runout tooth-to-tooth rolling action and to detect nicks It is not an appropriate method to determine individual tooth flank errors Schematic concept of gear rolling device Figure 4 Figure 4 Schematic concept of gear rolling...

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 116 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...

Detection of Pillow Block Bearings Defect Using Infrared

temperature in the first four inspections was 5 176 CThe 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...