ball mill girth gear high vibration problem case study

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BALL MILL GEARBOX PROBLEM Vibration

• 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 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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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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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.

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High vibrations on a ball mill AMP Maintenance Forums

Jan 21, 2011· Gears (girth gear and pinions double drive) are new and from other manufacturer. Compared with the previous gears on this mill, new gears have a larger modulus and different number of the teeth but with the similar gearmesh now 61.8Hz instead of 57Hz before.

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Wear of gears: A case study at Shiraz Cement Plant

Apr 13, 1993· 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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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, SE–631 85 Eskilstuna. *Department of Machine Design, KTH, SE–100 44 Stockholm. ♣MWL, Department of Vehicle Engineering, KTH, SE–100 44 Stockholm.1 Abstract The influence of gear finishing method and gear deviations on gearbox noise is investigated in this mainly experimental study.

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Detailed Vibration Analysis of Pinion Gear with Time

study the detection of gear tooth fatigue cracks and their propagation rates under a variety of operating load levels. The gear under study was the spiral bevel pinion with 19 teeth (fig. 3a). Nine notches were fabricated in the fillets on various teeth of the pinion. The notch sizes varied from 0.5 to 0.1" in length, and 0.015 to 0.045" in depth.

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INTELLIGENT GEARING SYSTEM SOLUTION 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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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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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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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.

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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, SE–631 85 Eskilstuna. *Department of Machine Design, KTH, SE–100 44 Stockholm. ♣MWL, Department of Vehicle Engineering, KTH, SE–100 44 Stockholm.1 Abstract The influence of gear finishing method and gear deviations on gearbox noise is investigated in this mainly experimental study.

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VIBRATION STUDIES OF CEMENT MILL Maintenance

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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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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vibrations on tube ball mill pinion gear bearings uganda

ball mill girth gear high vibration problem case study. Issue 122012 Products a manufacturer of girth gears for cement mills has been offering replacement ball mill girth gears made of ductile cast iron Fig The following case study provides a good example for these advantages found that the vibration amplitude was even higher than it had been

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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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Girth Gears More than Just Metal and Teeth

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-vide the stiffness

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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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ball mill helical pinion gear vibration cause solution for

Sag Mill Pinion Vibration Problems. Ball Mill Pinion Bearing Vibration Fysiozuidlaren . Pinion bearing vibration in cement mills 5 has a limited axial displacement and therefore requires an axial bearing Find 29 2nd Hand/Used Ball Mills in FDP is one of the biggest manufacturers in Aggregate Processing Machinery for the ball mill axial test procedure sand axial

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Vibration In The Ball Mills Lgd Scholman Loodgieters

BALL MILL GEARBOX PROBLEM Vibration . BALL MILL DRIVES LOADED OVERALL VIBRATION SEPTEMBER 1A 1B Above is a plot of the overall vibration levels at both the 1A 1B ball mills when loaded Note how levels at 1A ball mill are higher than that at 1B ball mill for nearly every measurement. Ball Mill Girth Gear High Vibration Problem Case Study

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vibration analysis Reliability Management Consultant Pvt

Jul 23, 2018· High speed gear boxes might best be lubricated by spray lubrication 3. Hotter and turbulent air might best be handled by low speed fans and blowers. 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

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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.

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