mill pinion bearing vibration maintanance

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Limestone Grinding Plant

The customer belongs to a well-known company in local community. The biggest difficulty in this project was small place. It had to consider both the maintenance space of the equipment and the transportation of finished products.

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Horsburgh & Scott Gear Up

Horsburgh & Scott (H&S) received a call from large steel mill with journal bearings burning up on their mill back up roles. The H&S Sentry® team collected vibration data and developed a dynamic model while simultaneously monitoring the problematic unit and a good unit with analog sensor for oil pressure.

Causes and solutions of severe vibration of ball mill pinion

In the daily production of the ball mill, there will always be some sudden failures, such as severe vibration of the ball mill gear, cracking of the large gear ring of the ball mill, or the sudden increase in the temperature of the ball mill bearing. accident.Fodamon engineers shares the reasons and solutions of the severe vibration of the ball mill pinion.

Vibration Based Condition Monitoring ofRolling Mill

Strategies Of Rolling Mill: MAINTENANCE of plant and equipment is carried out to increase the availability and reliability [21] *, so Pinion shaft S4 is rested on bearings B7and B9. For Bearing B10, nine vibration signatures are taken. The above said procedure is also adopted for the bearings .

Using Thermography to Uncover Hidden Problems

Motor Bearing Gearbox Bearing Mill Drive Pinion Gear The temperature of the gearbox intermediate shaft (B) normally was expected to be slightly higher (1 to 2 degrees C) than the high-speed shaft (A) and moderately higher (3 to 5degrees C) than the slow-speed shaft (C), as it was in double mesh at any one time and received more heat input.

Ball Mill Maintenance & Installation Procedure

Oct 19, 2016· PINION BEARINGS. Pinion bearings are provided of either the sleeve type or anti-friction type. Twin bearing construction may use either individual sole plates or a cast common sole plate. The unit with a common sole plate is completely assembled in our shop and is ready for installation. Normal inspection and cleaning procedure should be followed.

HD Technologies Case Study: Ball Mill Bearing Damage

Sep 11, 2019· The subject of this case study is the NDE (non-drive end) Pinion Bearing of Ball Mill No 8 in the Mill Dpt. in the flotation plant. The bearings on the pinion are of type 22380YMB. SPM HD Spectrum from the NDE bearing shows a clear match of the BPFO (Ball Pass Frequency Outer Race) symptom. According to the customer, following the indications

Vibration Monitoring: A Case Study

Jan 01, 2014· VCM applies vibration-based techniques for the determination of the actual operational states of machines, so that appropriate maintenance decisions can be taken upon the suspicion of unacceptable variations from the normal operating conditions. Figure 2 is a schematic of the major activities involved in a VCM process.

PLANT MAINTENANCE I Predictive maintenance

PLANT MAINTENANCE ICR DECEMBER 2010 M odern predictive maintenance techniques and the use of a patented method of viewing vibration measurements were combined to identify a potentially crippling bearing fault on Cement Mill 7 at the Cemex plant in Egypt, avoiding unplanned downtime that could have cost as much as US$510,000. If the faulty

ball mill gearbox vibration

High Vibration Ball Mill Duel Pinion Drive Mechanical. A vibration survey was carried on this Ball Mill with a duel pinion drive. The vibration is high in all planes on both sides of the Mill or both pinion drives. The measurements were similar in velocity on the motor,gearbox and both pinion bearings. (PDF) SAG mill monitoring using surface

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

Gear unit and rotating parts for the long-haul

Simpler maintenance with our barring device. Make servicing ball mills or gear units safer and more manageable with our TTVF-H barring device. The TTVF-H turns your mill at approximately 2% of regular operation speed and is able to lock the mill into a specified position.

ball mill trunion bearing maintenance

Aug 16, 2020· 16x22ft, 2800kW Ball Mill 3 Tel: (+27) 11 454 4177 Fax: (+27)11 454 4178 [email protected] TABLE OF CONTENTS ITEM DESCRIPTION PAGE No. 4.5 Mill Start Up 23 4.6 Trunnion Bearing Clearance 23 4.7 Trunnion Bearing Maintenance 26 4.8 Bushing – Rigid Type 27 Radial Clearance Tables 5 SHELL ASSEMBLY 27. Read More

Types of Maintenance: Different Strategies Explained

Jul 13, 2021· Case Study: Predictive Maintenance in the Real World. A Dingo customer was experiencing unexpected failures in their Ball Mill drive gearboxes and pinion bearings. There was a large amount of condition monitoring data available (vibration, pressure & temperature sensors) but only a small number of failure records.

Gearbox Typical Failure Modes, Detection and Mitigation

Superfinish, coat, or smooth bearing rings or elements Avoid shot-peened flanks Make hardest gear/bearing element as smooth as possible Make pinion 2 HRC points harder than gear Use oil with high micropitting resistance Keep lubricant cool, clean, .

High vibrations on a ball mill

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

cement mill bearing high vibration

Our mills have used a variety of pinion retention methods while maintaining reversibility. - Integral pinions with double ended shaft to allow "flipping." - Curious multistage Shell pinion keyed and light interference, clamped along with the bearings by plates bolted .

Case study: Pinion bearing damage in ball mill

Pinion bearing damage in ball mill. Using HD measurement technologies, Bulgarian copper producer Asarel Medet AD monitors the mechanical condition of critical equipment in the open-pit mine and flotation plant. This case study deals with the successful detection of outer race damage on a ball mill pinion bearing. On the non-drive end bearing

Vibrations On Tube Ball Mill Pinion Gear Bearings

ball mill pinion bearing vibration. Ball mill journal bearing, white metal bearing, in order to achieve force feeding function,, method is to wet ball mill pinion bearing and fixed, Chat OnlineGet Price, vibrations on tube ball mill pinion gear bearings, gearbox with a .

How to Prevent Pinion Damage in Ball Mill in Advance-FTM

Therefore, the operators can carry out targeted maintenance and repair on the pinion of the ball mill according to the situation. If the pinion gear breaks, the motor current will increase instantly, exceeding 15% of the rated value. At this time, the equipment system will be self-lock, which can effectively protect other equipment in operation. 2.

Service news › DANIELI CONDITION MONITORING SERVICE ‹ .

The Portable Monitoring Service provides economic benefits in terms of reduced hours for unplanned production stoppage; typically, the maintenance costs ratio between the repair of an unpredicted failure and a prevented failure is around 25:1. Machine details. The damage in this case involves the bearings of the bevel gear shaft of a BGV module.

BALL MILL GEARBOX PROBLEM

BALL MILL PINION SPEED 226 BALL MILL GEAR SPEED 18 GEARBOX (Between Motor & Ball Mill) NB FTF BSF 2X BSF BPFO BPFI INPUT BRGS, SKF#22330 15 491 3,192 6,384 7,358 10,507 OUTPUT BRGS, SKF#22240 19 97 783 1,566 1,848 2,446 GEARBOX GEARMESH FREQ 22,629 19 Gearbox Pinion Tooth Count 19 Gearbox Bull Tooth Count 100 BALL MILL

VIBRATION STUDIES OF CEMENT MILL

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

axial vibration of ball mill pinion

Sag Mill Syncronis Motor high axial vibration non drive end Nov 3, 2014 The highest vibration is 30mm/sec RMS axial on the motor n. Measurements on the pinion bearings motor bearing, trunion bearings, the.. to day as there can be more Tons/hour and .

Causes and solutions of severe vibration of ball mill pinion

In the daily production of the ball mill, there will always be some sudden failures, such as severe vibration of the ball mill gear, cracking of the large gear ring of the ball mill, or the sudden increase in the temperature of the ball mill bearing. accident.Fodamon engineers shares the reasons and solutions of the severe vibration of the ball mill pinion.

PeakVue Technology Detects Damaged Bearing and Keeps

For example, if a faulty bearing goes undetected for too long, it can seize up without warning, causing damage to heavy pinion gears and/or drive shafts. SOLUTION An Emerson vibration diagnostics and analysis system has been used for several years as the basis for predictive maintenance to protect critical rotating machinery in this mill.

vibration analysis – Reliability Management Consultant Pvt

Jul 23, 2018· Vibration data was recorded on selected bearing locations of motor, gearbox and pinion bearings Data was recorded along horizontal, vertical and axial direction with 90% load on the mill Phase measurements were recorded to know the behavior of pinion DE with respect to pinion NDE of pressing and lifting side

Trunnion Bearing Assembly Ball Mill & Rod Mill

Jul 28, 2015· Jul 28, 2015· Ball Mill PINION SHAFT BEARINGS. Pinion shaft bearings are of the SKF anti-friction type mounted in a common twin bearing assembly. Bearings are fixed in place so that the pinion shaft of the mill is always in alignment with the drive components. V-belt driven mills are furnished with an outboard bearing of similar construction.

How to Prevent Pinion Damage in Ball Mill in Advance-FTM

Therefore, the operators can carry out targeted maintenance and repair on the pinion of the ball mill according to the situation. If the pinion gear breaks, the motor current will increase instantly, exceeding 15% of the rated value. At this time, the equipment system will be self-lock, which can effectively protect other equipment in operation. 2.

The Role of Vibration Monitoring in Predictive Maintenance

At the heart of many Predictive Maintenance strategies is Condition Monitoring which detects potential defects in critical components e.g. bearings, gears etc at the early stage thereby enabling the maintenance activity to be planned, saving both time and money and preventing secondary damage to equipment which can often be catastrophic. 3.

Vibration Monitoring: A Case Study

Jan 01, 2014· VCM applies vibration-based techniques for the determination of the actual operational states of machines, so that appropriate maintenance decisions can be taken upon the suspicion of unacceptable variations from the normal operating conditions. Figure 2 is a schematic of the major activities involved in a VCM process.