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Ball Mill Girth Gear High Vibration Problem Case Study

  • vibration in cement mill

    Vibration Cement Small Ball Mill Grinder US Set New Ball Mill AC Motor.Source from Shanghai Lipu Heavy Industry Co Ltd on Read more Study on the Method for Collecting Vibration Signals from Mill Shell

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  • Ball millsMetso Outotec

    Outotec has designed manufactured and installed over 8 000 ball and pebble mills all over the world for a wide range of applications Some of those applications are grate discharge peripheral discharge dry grinding special length to diameter ratio high temperature milling oprations and more All equipment adheres to the applicable

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  • Mill Girth Gear High Vibration Problem Case Study

    Mill Girth Gear High Vibration Problem Case Study A case study has been conducted on the wear problem of a set of large helical gears of a ball mill used for cement production at the shiraz cement plant the ball mill has a nominal capacity of 80 t h −1 the overall diameter and length are respectively 4000 mm and 12990 mm the total weight of the ball mill when fully charged is about 280 t.

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  • An Elementary Guide to Gear Inspection Gear Solutions

    Jun 01 2005  For larger diameter gears a span measurement or gear tooth calipers can be used Composite testing can also provide a measurement of gear tooth size Size measurement is used to provide the correct backlash when the gear is mounted with its mating gear at operating center distance Measurement of size with micrometer and pins or balls Figure 1 .

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  • PDF Vibration analysis on a cement mill foundation

    In the present case study the causes of the high vibrations on a double drive cement mill is investigated by performing a series of vibration measurements on the cement mill pinion and the main

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  • Ball Mill DrivesPhiladelphia Gear

    These large coal crushing drive systems are usually rotated by motor driven gearing A typical application consists of a motor driven primary single stage reducer that through a flexible coupling drives a large open pinion which in turn meshes with a large ball mill ring girth gear that is attached directly to the ball mill.

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  • simulate vibration conveyor

    vibration screening mechanism dubia screen vibration plant havpro vibration monitor ball mill girth gear high vibration problem case study wesco construction machinery vibration rammers wr 50 industrial screen vibration ireland ceiling projector anti vibration vibration control monitor mining equipment causing vibration vibration

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  • motor vibration problems on a tube ball mill

    Ball mill girth gear high vibration problem case study Gear Driven Mills Pinion Vibration ball mill drive motor bearing vibration Grinding Mill China Vibrations on tube ball mill pinion gear

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  • Early Detection of Industrial Scale Gear Tooth Surface

    May 21 2020  Ball mill is an essential crusher equipment type mainly used in manufacturing processes of raw materials and processing industries and mines It consists of a transmission system containing two large sized helical gears This study was designed to detect early gear tooth surface fault and pitting on an industrial scale Condition indicators including RMS FM4 and NA4 see Appendix A for

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  • solution in vibration of grinding ball mill machin

    ball mill girth gear high vibration problem case study A cement mill had its Girth gear which is a huge gear surrounding the mill body and high vibration up to 14 mm/s rms align rotary ball millrock crusher and mine solution Read more 6th International Research/Expert Conference

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  • Vibration Based Condition Monitoring ofRolling Mill

    Vibration Based Condition Monitoring of Rolling Mill V inod D.TIrpude Jayant P.Modak Girish D Mehta Abstract All over the India most of the processing industries are involved with rolling operations for steel and alloyed materials To perform these operations rolling mills are used.

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  • Ball MillsMineral Processing Metallurgy

    Feb 13 2017  The apparent difference in capacities between grinding mills listed as being the same size is due to the fact that there is no uniform method of designating the size of a mill for example a 5′ x 5′ Ball Mill has a working diameter of 5′ inside the liners and has 20 per cent more capacity than all other ball mills designated as 5′ x

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  • ball mill helical pinion gear vibration cause

    The speed ratio between the pinion and the girth gear is 7 1 vibration measurements and deflection studies of the ball mill installation and maintenance methods etc A cause and effect CE diagram and a Pareto diagram have been used to

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  • cause gearbox cartridge coal milll vibration

    vibration problem in coal mill gearbox cause gearboand cartridge coal milll vibration cause gearboand cartridge coal milll ball mill helical pinion gear vibration mining dissolve clay soil cause gearboand cartridge coal milll vibration More ball mill girth gear high vibration problem case study Get More Gearbox Preventive Maintenance is a

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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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  • Wear of gears A case study at Shiraz Cement Plant

    A case study has been conducted on the wear problem of a set of large helical gears of a ball mill used for cement production at the Shiraz Cement Plant The ball mill has a nominal capacity of 80 t h −1 The overall diameter and length are respectively 4000 mm and 12990 mm The total weight of the ball mill when fully charged is about 280 t.

    Get Price
  • Energies Free Full Text Increasing Energy Efficiency

    Tumbling mills have been widely implemented in many industrial sectors for the grinding of bulk materials They have been used for decades in the production of fines and in the final stages of ore comminution where optimal levels for the enrichment particles sizes are obtained Even though these ubiquitous machines of relatively simple construction have been subjected to extensive studies

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  • A Gearbox VibrationFact or Fiction

    A GEARBOX VIBRATIONFACT OR FICTION Brian C Howes Beta Machinery Analysis Ltd Calgary AB Canada T3C 0J7 ABSTRACT A case study of a gearbox Late last fall routine monitoring of a gearbox showed an increase in overall vibration levels which was not apparent in the spectra If the gearbox failed during the

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  • BALL MILL GEARBOX PROBLEMVibration

    Compare high frequency Peakvue vibration waveform data from 1A Ball Mill measurement points PIA pillow block inboard axial and GOA gearbox output axial Note how levels at the pillow block are significantly higher than those seen at the gearbox.

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  • Ball millWikipedia

    A ball mill is a type of grinder used to grind or blend materials for use in mineral dressing processes paints pyrotechnics ceramics and selective laser sintering.It works on the principle of impact and attrition size reduction is done by impact as the balls drop from near the top of the shell A ball mill consists of a hollow cylindrical shell rotating about its axis T

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  • Energy Efficiency Analysis of Copper Ore Ball Mill Drive

    Milling is among the most energy consuming technological stages of copper ore processing It is performed in mills which are machines of high rotational masses The start of a mill filled to capacity requires appropriate solutions that mitigate the overloading One method for increasing the energy efficiency of ball mills is to optimize their drive systems.

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  • Gear Fault Diagnosis by Motor Current Analysis

    3.2 Gear fault in a ball mill machine This application deals with a ball mill machine driven by two AC motors each through a 2 stage reduction gearbox Motors are 2MW power 5kV voltage and 1000rpm speed The gears are chevron type Fig.2 reduction gearbox and motor driving a ball mill

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  • Condition Monitoring of Ball Mill with HD Technologies

    May 28 2018  Many years ago SPM Instrument installed a VCM system on the mill gearbox and motor Image 1 The ball mill at Orcem Netherlands Image 2 The gearbox just renovated with the shock pulse and vibration sensors Image 3 A principal overview of the ball mill 4 System setup 4.1 Measuring equipment Besides the gearbox the electric motor and

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  • More knowledge more control

    Case Study Slovakia 2019 Our Klüberfluid C F Series outperforms competitor lubricants Background A leading European cement manufacturer experienced high wear and vibration >30mm/s on their cement mill using BECHEM Berugear HV 10 This led to damage of the girth gear

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  • High vibrations on a ball mill AMP Maintenance Forums

    Jan 21 2011  High vibrations on a ball mill Hello everyone I have a problem with high levels of vibration at the supports of the pinion fixed and floating bearings of the cement ball mill The kinemantic scheme with the measurement locations and several representative spectra and timewaves are in the attched file The dominant vibrations are in the

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  • Vibration monitoring HD ENVSPM Instrument

    The HD ENV vibration enveloping technology enables the detection of gear and bearing faults very early on in the damage process making it possible to monitor the development throughout the stages closely HD ENV is an enhancement in the way vibration data is processed and presented to the user The unique preciseness and clarity of spectrums

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  • leam grinding mill in vibration of gear bo

    High vibrations on a ball mill AMP Maintenance Forums Jan herringbone gear should mirror across the center and i believe that spur gear temperature is the same across the contact line you spectrum really look like alignment problem of the pinion we had synchronous motor so we first align the gearbox with the motor then the pinion with the gearbox and finally the ball mill with the pinion

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  • case study cement mill girth gear

    case study cement mill girth gear ckalpin.cz case study cement mill girth gear Turning The Cement Mill Girth Gear The cement mill is driven at 16 rev minquot1 by a girth gear fitted to the head wall.the girth gear is driven by two pinions each being connected via a gear box and coupling to a 1560 kw electric motor.the speed ratio between the pinions and the girth gear is 71.the girth

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  • AN EXPERIMENTAL ANALYSIS OF VIBRATION OF A BALL

    The drive of the ball mill consists of an induction electric motor two stage gearbox and the pinion gear This pinion gear is mated with the girth gear mounted on circumference of the ball mill shell and in that way it transfers the motion from the drive to the shell see Figure 1 taken from 1 Figure 1 Mechanical system of a ball mill

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  • Case study Ball mill and HD TechnologySPM Instrument

    Vibration technology is optimal for low frequency related fault conditions like unbalance loose gears and misalignment This case study describes the condition monitoring setup and findings in a ball mill gearbox and exhaust fan.

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  • Case study Ball mill and HD TechnologySPM Instrument

    Vibration technology is optimal for low frequency related fault conditions like unbalance loose gears and misalignment This case study describes the condition monitoring setup and findings in a ball mill gearbox and exhaust fan.

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  • PDF DYNAMIC ANALYSIS FOR BALL MILL FOUNDATION

    A practical case of ball mill foundation is examined herein The diameter of mill is 8.0 m with length of 13.1 m operating at 12 rpm The height of mill shaft is 18.1 m above ground.

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  • Fractional Gear Mesh FrequenciesReliability Management

    Oct 20 2017  VIBRATION STUDIES OF CEMENT MILL Steps for vibration measurements In this case pinion has 30 teeth and Girth gear has 210 teeth o Then as per calculations Pinion 30=1x2x3x5 GG 210=1x2x3x5x7 Schematic to Understand and Resolve Vibration Problems Leave a Reply Cancel reply.

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  • Analysis of noise and vibration during the operation of

    Analysis of noise and vibration during the operation of the ball mill The ball mill is used for grinding materials after crushing and CHAENG is a professional manufacturer of ball mill accessories such as girth gear of ball mill ball mill trunnion ball mill end cover etc which are used by customers in various industrial fields.

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  • vibration in ball and tube coal mill

    High Quality Vibrating Wet Type Ceramic Glaze Coal 2ZM series of vibration mill is a new type of efficient grinding equipment in grinding fine and super fine powder materialsIt is more convenient than common ball mill compared with common ball mill its efficiency is 2 5 times and it can reduce energy consumption by 2030 Vibrating mill has various vibration strength high efficiency low

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  • gear system in grinding mill for analysis

    Sugar Mill Gears would then continue for many FAILURE ANALYSIS OF BALL MILL GEARS by Chris system of grinding ball mill is the gear Numerical analysis of grinding power the coal bed with a rigid base when a Vertical planetary mill flange 5.Gear box di et al Numerical analysis of grinding power consumption of a

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  • VIBRATION STUDIES OF CEMENT MILL

    VIBRATION STUDIES OF CEMENT MILL 5 mm/sec on one end while its high 11 mm/sec on the other end even though In this case pinion has 30 teeth and Girth gear has 210 teeth o Then as per calculations o Pinion 30 = 1 x 2 x 3 x 5 GG 210 = 1 x 2 x 3 x 5 x 7 o So common factor are 2 x 3 x 5 2

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  • Ball Mill Maintenance Installation Procedure

    Oct 19 2016  Ball Mill Sole Plate This crown should be between .002″ and 003″ per foot of length of sole plate For example if the sole plate is about 8′ long the crown should be between .016″ and .024″ Ball Mill Sole Plate After all shimming is completed the sole plate and bases should be

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  • Case Study 7Continuous Monitoring

    vibration levels on the ball mill pinion support shaft bearings had increased to alarm levels At the next available ball mill stoppage an inspection was undertaken to determine the problem in question and it was found that the pedestal shaft bearing top housing had started to work loose resulting in the increased levels of vibration.

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  • Benefits of continuous data acquisition from critical

    Case Studies Case 1 a condition monitoring system was installed in a 2500 kW gear reducer for a ball mill After a number of years of smooth operation an abnormal increase in vibra tion was automatically detected by the system Fault symptoms indicated a significant increase of bearing play causing gear meshing problems.

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  • PDF Vibration characteristics of an operating ball mill

    Dry grinding of a gibbsite powder was conducted in air using a tumbling ball mill with mono size of media balls ranging from 4.8 to 31.7 mm diameter to investigate ball size effect on grinding rate.

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