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ball mill girth gear high vibration problem case study

BALL MILL GEARBOX PROBLEM - Vibration

BALL MILL GEARBOX PROBLEM Barry T. Cease Cease Industrial Consulting 2016 Vibration Institute [email protected] (843) 200-9705. BALL MILL GEARBOX PROBLEM BACKGROUND INFORMATION OBSERVATIONS: •Concern was expressed over the gearbox and Ball Mill at a power plant. •Black grease was noticed at the coupling-end pillow block bearing as well as a loose bearing

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ball mill girth gear high vibration problem case study

ball mill girth gear high vibration problem case study Replacement girth gears made of ductile cast iron for cement mills Issue 12/2012 - Products... a manufacturer of girth gears for cement mills, has been offering replacement ball mill girth gears made of ductile cast iron (Fig....

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A STUDY OF GEAR NOISE AND VIBRATION - DiVA portal

A STUDY OF GEAR NOISE AND VIBRATION M. Åkerblom* and M. Pärssinen♣ *Volvo CE Components AB, ... test gears is case-hardening steel V-2525-94 in accordance with Volvo Corporate Standard STD 1125,251 [6]. Table 3.1.3 gives an overview of the different test gear pairs. A more extensive description of each gear pair is given in sections 3.2 and 3.3. Gear pair Description Finishing method A ...

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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 ...

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High vibrations on a ball mill AMP Maintenance Forums

2011-01-21  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 horizontal direction of measurement while at the same time I noticed also high

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mill pinion bearing vibration maintanance

Ball Mill Pinion Bearing newentreprising eu. An enterprise maintenance personnel found that the vibration of the pinion shaft bearing housing of the ball mill reducer is relatively large, and the bearing temperature is continuously rising in this case, the emergency stop, the inspection of the pinion shaft bearing seat, the bearing of the pinion shaft support side is seriously damaged

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case study of ball mill - 21stcc.co.za

ball mill girth gear high vibration problem case study ball mill girth gear high vibration problem case study 4 66647 Ratings The Gulin product line consisting of more than 30 machines sets the standard for our industry Service Online Rod MillsMineral Processing Metallurgy 2018/01/25 Rod Mills may be considered either fine crushers or coarse grinding equipment They are capable of

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Backlash Alignment For Girth Gear At Cement Clinker Ball ...

About problem of cement mills pinion vibrations casestudycement mill girth gear ball mill girth gear high vibration problem case study heliccal girth gear for cement mill back lash a case study has been conducted on the wear problem of a set of r4 thread ball mill girth gear and pinion alignmentug 28 2011high vibration broken teeth and forced shutdowns are likely consequences ball

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ball mill gear troubleshooting - ekokontakt.cz

High Gradient Magnetic Separator. RELA TED CASE 2020-05-13T11:05:24+00:00 BALL MILL GEARBOX PROBLEM Vibration •Concern was expressed over the gearbox and Ball Mill at a power plant •Black grease was noticed at the couplingend pillow block bearing as well as a loose bearing nut •Unusual noises were also reported from the machine •The gearbox between motor ball mill had

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AN EXPERIMENTAL ANALYSIS OF VIBRATION OF A BALL MILL

A ball mill investigated in this study is used for grinding of limestone in a cement plant. It consists of a large cylindrical shell which ends with inlet- and outlet tubes that are supported in journal bearings. The drive of the ball mill consists of an induction electric motor, two-stage gearbox and the pinion gear.

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ball mill girth gear high vibration problem case study ...

ball mill girth gear high vibration problem case study. ball mill girth gear high vibration problem case study . ball mill girth gear high vibration problem case study Description : Replacement girth gears made of ductile .. » Learn More. Pre: mobile crusher rental rates. Next: design specification

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A STUDY OF GEAR NOISE AND VIBRATION - DiVA portal

A STUDY OF GEAR NOISE AND VIBRATION M. Åkerblom* and M. Pärssinen♣ *Volvo CE Components AB, ... test gears is case-hardening steel V-2525-94 in accordance with Volvo Corporate Standard STD 1125,251 [6]. Table 3.1.3 gives an overview of the different test gear pairs. A more extensive description of each gear pair is given in sections 3.2 and 3.3. Gear

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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 ...

More

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. The ball mill is driven through a girth gear

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Wear of gears: A case study at Shiraz Cement Plant ...

1993-04-13  The ball mill is driven through a girth gear at a speed of 16 rev min −1 and is mounted on the head wall of the ball mill. The girth gear, 6360.6 mm in diameter, 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 pinion and the girth gear is 7:1. Severe wear problems have

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Ball mill high vibs AMP Maintenance Forums

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

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Case Study 7 - Continuous Monitoring

Carbon Plant Ball Mill Case Study Aluminium Smelting Continuous Condition Based Monitoring Page 1 of 2 Continuous condition based monitoring is an excellent way to reduce unplanned downtime. DMS currently are the contract supplier for all condition based monitoring services at one of the UK’s leading aluminium smelting plants. Prior to the contract being awarded to

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Industrial Vibration Analysis Predictive Maintenance ...

HD Technologies Case Study: Ball Mill Bearing Damage. This case study describes bearing damage detected through online measurements taken from a ball mill at the flotation plant of Asarel Medet AD in Bulgaria. At the beginning, the SPM HD trend had varying shock pulse levels... Dobromir Dobrev; SPM Instrument Bulgaria EOOD ; Five Minute Facts. Vibration Analysis

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Fractional Gear Mesh Frequencies – Reliability Management ...

2017-10-20  Observing high vibs on pressing and lifting pinion Drive End (DE) and Non Driven End (NDE) bearing on a ball mill. Motor and main Gear Box drive are OK. Clear predominant gear mesh frequency is appearing in the spectrum along with harmonics and side bands.

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AN EXPERIMENTAL ANALYSIS OF VIBRATION OF A BALL MILL

A ball mill investigated in this study is used for grinding of limestone in a cement plant. It consists of a large cylindrical shell which ends with inlet- and outlet tubes that are supported in journal bearings. The drive of the ball mill consists of an induction electric motor, two-stage gearbox and the pinion gear.

More

Case study: Very early warning with HD technology - SPM ...

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.

More

Wear of gears: A case study at Shiraz Cement Plant ...

1993-04-13  The ball mill is driven through a girth gear at a speed of 16 rev min −1 and is mounted on the head wall of the ball mill. The girth gear, 6360.6 mm in diameter, 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 pinion and the girth gear is 7:1. Severe wear problems have occurred on the pinions reducing their ...

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VIBRATION STUDIES OF CEMENT MILL - Maintenance

VIBRATION STUDIES OF CEMENT MILL Steps for vibration measurements Impact test was carried out at selected locations on the torsion bar to know its natural frequency Normal vibration signatures were recorded with motor speed being 994 rpm and pinion speed 122 rpm Vibration data was recorded on selected bearing locations of motor, gearbox and pinion bearings Data was recorded along

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Industrial Vibration Analysis Predictive Maintenance ...

HD Technologies Case Study: Ball Mill Bearing Damage This case study describes bearing damage detected through online measurements taken from a ball mill at the flotation plant of Asarel Medet AD in Bulgaria. At the beginning, the SPM HD trend had varying shock pulse levels...

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axial vibration of ball mill pinion - Pochiraju Industries Ltd

The girth gear drives that are used in tube mills, coolers, washing drums, kilns ... radial and axial run-out, but also the use of unsuitable lubricants, shortage of .... On average, the time required to efficiently run in drives on ball mills and kilns in ..... run-out pinion the vibration levels were well below 2 mm/s, but they were... Get Price. 1 CONGA: THE WORLD'S FIRST 42 FOOT DIAMETER ...

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Vibration In The Ball Mills Lgd - Scholman Loodgieters

Ball Mill Girth Gear High Vibration Problem Case Study. Vibration In The Ball Mills Lgd Wholesale Various High Quality Vibration Mill Products from Global Vibration Mill Suppliers and Vibration Mill Factory Importer solution for vibration in a cement ball mill Chat With Sales Vibration In Cement Mill scbm A cement mill or finish mill in North American usage is the equipment used to grind the ...

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Case Study: Application of a Locking Assembly in a Ball ...

After maintenance engineers had examined the ball mill unit thoroughly, the cause of the problem seemed to be the shaft-pinion connection, or to be more exact, the locking assembly that connected the solid shaft with the pinion. Measurements showed the assembly to be out of

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vibration ring gear mills

vibration ring gear mills. Ring and Puck Mill is also known as a shatterbox This pulverizer efficiently uses pressure impact and friction to grind rock ore minerals soil and other materials to analytical size It has many useful applications in the laboratory and smallscale pilot plants...We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone ...

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vibration in ball and tube coal mill

vibration problem in coal mill gearbox Ball Mill Girth Gear High Vibration Problem Case Study ball mill girth gear high vibration problem case study High vibrations on a ball mill AMP Maintenance Forums 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. vibration in the ball mills lgd msg De Kameel ...

More

AN EXPERIMENTAL ANALYSIS OF VIBRATION OF A BALL MILL

A ball mill investigated in this study is used for grinding of limestone in a cement plant. It consists of a large cylindrical shell which ends with inlet- and outlet tubes that are supported in journal bearings. 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 ...

More

Case study: Very early warning with HD technology - SPM ...

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.

More

Industrial Vibration Analysis Predictive Maintenance ...

HD Technologies Case Study: Ball Mill Bearing Damage. This case study describes bearing damage detected through online measurements taken from a ball mill at the flotation plant of Asarel Medet AD in Bulgaria. At the beginning, the SPM HD trend had varying shock pulse levels... Dobromir Dobrev; SPM Instrument Bulgaria EOOD ; Five Minute Facts. Vibration Analysis. Use HD Technology to Manage ...

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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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axial vibration of ball mill pinion - Pochiraju Industries Ltd

The girth gear drives that are used in tube mills, coolers, washing drums, kilns ... radial and axial run-out, but also the use of unsuitable lubricants, shortage of .... On average, the time required to efficiently run in drives on ball mills and kilns in ..... run-out pinion the vibration levels were well below 2 mm/s, but they were... Get Price. 1 CONGA: THE WORLD'S FIRST 42 FOOT DIAMETER ...

More

Vibration In The Ball Mills Lgd - Scholman Loodgieters

Ball Mill Girth Gear High Vibration Problem Case Study. Vibration In The Ball Mills Lgd Wholesale Various High Quality Vibration Mill Products from Global Vibration Mill Suppliers and Vibration Mill Factory Importer solution for vibration in a cement ball mill Chat With Sales Vibration In Cement Mill scbm A cement mill or finish mill in North American usage is the equipment used to grind the ...

More

Case Study: Application of a Locking Assembly in a Ball ...

After maintenance engineers had examined the ball mill unit thoroughly, the cause of the problem seemed to be the shaft-pinion connection, or to be more exact, the locking assembly that connected the solid shaft with the pinion. Measurements showed the assembly to be out of

More

vibration ring gear mills

vibration ring gear mills. Ring and Puck Mill is also known as a shatterbox This pulverizer efficiently uses pressure impact and friction to grind rock ore minerals soil and other materials to analytical size It has many useful applications in the laboratory and smallscale pilot plants...We are a professional mining machinery manufacturer, the main equipment including: jaw crusher, cone ...

More

Girth Gears David Brown Santasalo

Girth Gears. With a variety of options for cast, fabricated steel or SG iron and multi-segmented gears, David Brown Santasalo is your one stop shop for girth gears for AG, SAG, ball mill and crushing applications. Engineered in segments, starting from two and with no upper limit, we can manufacture girth gears up to 14 metres diameter. With interchangeable segments for easy repair and ...

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vibration in ball and tube coal mill

vibration problem in coal mill gearbox Ball Mill Girth Gear High Vibration Problem Case Study ball mill girth gear high vibration problem case study High vibrations on a ball mill AMP Maintenance Forums 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. vibration in the ball mills lgd msg De Kameel ...

More