BALL MILL GEARBOX PROBLEM - Vibration

BALL MILL GEARBOX PROBLEM - Vibration

BALL MILL DRIVES, LOADED, HFD LEVELS, SEPTEMBER 1A 1B • Above is a plot of the high frequency HFD vibration levels at both the 1A & 1B ball mills when loaded (acceleration energy band from 2 to 20 kHz). • Note how HFD levels at 1A ball mill coupling-end pillow block bearing (PIH PIA) are much higher than that at 1B ball mill.High vibration on the ball mill drive train A and B | AMP,,High vibration on the ball mill drive train A and B. We are experiencing high vibration on our dual drive ball mill. The high vibration is on the motor DE bearing on axial direction. Dominant frequency is girth and pinion gear mesh. See attached spectrums and trends.Vibration Ball Mill | New Design Double Tubes Vibrating,,13/07/2020· The vibrating ball mill is mainly composed of chassis, body support, sound insulation cover, body, barrel, vibrator, lining plate, elastic bearing, grinding medium and driving motor. When the vibratory ball mill is in operation, the motor drives the vibrator with the eccentric hammer to do the axial rotation motion, which causes the barrel to vibrate. The medium and materials are turned and dropped in the barrel…HD Technologies Case Study: Ball Mill Bearing Damage,The HD ENV Filter 3 trend on the DE bearing follows a pattern similar to the SPM HD trend on the NDE bearing, and also has a spectrum showing BPFO match. Due to the close distance between the two bearings, the vibration sensor mounted on the DE bearing picks up the signal from the NDE bearing. The vibration readings do not show any sign of damage.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. The recommendations for repairs was close to exactly the same for both drives.Condition Monitoring of Ball Mill with HD Technologies,,In a ball mill, steel or stone balls are mixed with the ore and during rotation of the drum the ore is ground, by friction and compression, into a suitable fineness for the next step in the process. The main component of all mills is a rotating drum, turning with a suitable speed, gearbox, and motor. The mill is a very important part of the milling process in the cement industry. In many cases,High vibration on the ball mill drive train A and B | AMP,,High vibration on the ball mill drive train A and B. We are experiencing high vibration on our dual drive ball mill. The high vibration is on the motor DE bearing on axial direction. Dominant frequency is girth and pinion gear mesh. See attached spectrums and trends.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. The recommendations for repairs wasBall Mill Pinion - Vibration Analysis & Machinery,,I was there to alignment the drive motor that had horizontal shaft, but was suspend upside down; challenging for alignment corrections. The pinion gear was making a lot of noise and vibrations (not affected by my alignment work). A contractor had repaired/replace the drive pinion bearings and set the pinion gear too close to the drum gear. It is kind of important to check gear mesh when bearing areVibration Based Condition Monitoring ofRolling Mill,bearing reaction is then responsible for increase in vibration amplitude at respective frequency of a component. It means as bearing reaction increases conversely the amplitude will also increase. 4. ROLLING MILL: A rolling mill 2 of this company uses an 800 HP motor, which is used to transmit the power to the rolling mill. Motor shaft S1 is rested on bearings B1 and B2. It is

Condition Monitoring of Ball Bearing Using Vibration,

Condition Monitoring of Ball Bearing Using Vibration,

Vibration analysis is most commonly accepted technique due to its ease of application. The typical failure mode of ball bearing is fault or scratch on surface which is the result of surface fatigue, caused by the repeated loading of the shaft and it is difficult to avoid in operating conditions.An Overview of Bearing Vibration Analysis,depending on the accuracy class of the bearing. For axially loaded ball bearings operating under moderate speeds the form and surface finish of the critical rolling surfaces are generally the largest source of noise and vibration. Controlling component waviness and surface finish during the manufacturing process is therefore critical since it may notUsing Vibration Analysis to Test for Bearing Wear,Ball-bearing wear becomes increasingly evident as harmonics (integer multiples) of these ball-pass frequency peaks occur in the vibration spectra. Depending on the nature of the defect, there also may be strong 1xM sidebands around the bearing tones or their harmonics. Extreme bearing wear creates an abnormally high noise floor in the high-range spectra between about 70 and 100 times shaft rotationABB knows the most common bearing diffi culties and how to,,Roller bearings are easily damaged from vibration when the motor is not running, so the rotor is locked during transportation. Ball bearings can sustain more vibration than roller bearings when not running.Vibration monitoring to boost efficiency,using vibration monitoring are the motor and gearbox assemblies. For a typical crusher motor, accelerometers are mounted radially on the Drive End (DE) and Non-Drive End (NDE), in order to monitor the motor bearing condition (g). ‘Accelerometers used to measure vibration levels are usually easy to install and use.’Machinery Vibration Limits#8,vibrations on the bearing housings of the pump (over 0.5 in/sec pk) primarily at vane passing frequency as well as high radial and axial vibrations on the motor at shaft frequency. We were requested to analyze the problem and make recommendations.AN EXPERIMENTAL ANALYSIS OF VIBRATION OF A BALL MILL,ball mill. After that the measurement of accelerations of vibration at housings of bearings has been performed. Due to the production requirements the capacity of the ball mill is variable and therefore the torque on the ball mill drive is also variable. Measurement has been done for two different capacities. Vibration signatures have shown different vibration levels at different loads. It has beenCondition Monitoring of Ball Bearing Using Vibration,,Ball Bearing, condition monitoring, vibration analysis, FFT analyzer, feature extraction. I. INTRODUCTION A ball bearing is a type of rolling element bearing that uses balls to maintain separation between moving parts of bearing. The purpose of ball bearing is to reduce the friction and support loads [1]. Most of engineering applications(PDF) DYNAMIC ANALYSIS FOR BALL MILL FOUNDATION,For small ball mill, mill diameter less than 3.6 m, with small dynamic loads, the method of free vibration analysis can be used. This is also call modal analysis.ABB knows the most common bearing diffi culties and how to,,now summarise the most common bearing problems. Vibration Roller bearings are easily damaged from vibration when the motor is not running, so the rotor is locked during transportation. Ball bearings can sustain more vibration than roller bearings when not running. Both types can only withstand single and infrequent shocks of 2-3g

Vibrations On Tube Ball Mill Pinion Gear Bearings

Vibrations On Tube Ball Mill Pinion Gear Bearings

Ball Mill Drive Motor Bearing Vibration. aggregate Mill Ring Gear Pinion Vibration The pinion and girth gears of two 9 MW ball mills exhibited severe vibration can cause premature gear damage 1 more closely than a helical gear however Vibrations on tube ball mill pinion gear bearings SKD crusher quarry BALL MILL GEARBOX PROBLEM Vibration Photo Of Ball Mill Motor 1191 rpm Parallel Gearbox with 1191Ball Mill Maintenance & Installation Procedure,It should be noted that with an empty mill the reactions and operating characteristics of the bearings and gearing at this point are somewhat different than when operating with a ball or rod charge. Gear noises will be prominent and some vibration will occur due to no load and normal back-lash. Furthermore, it will be found that the mill will continue to rotate for some time after the power is shut off. Safetymotor vibration problems on a tube ball mill,ball mill drive motor bearing vibration of vibration pickup for ball grinding mill pinion bearing. ball mill vibration problems, vibration in ball and tube Get Price multiple tube vibration millMotor Bearings, Not Just a Piece of Metal,3.1 Vibration Roller bearings are damaged easily from vibration when the motor is not running. Therefore the rotor is locked during transportation. Ball bearings can sustain more vibration than Roller bearings when not running. Both Roller and Ball bearings can only sustain single and infrequent shocks of 2 to 3 g without damage,New ways to damp vibration on linear axes | Machine,Vibrations induced by cutting-tool pass frequencies and wear, along with other outside disruptive forces, can cause poor machine performance. Dynamic rigidity through proper damping can reduce,Learn About Vibration, Volume 1: Basic Understanding of,,If motor bearings are noisy, repeat this test with belts removed or coupling disconnected. Run motor to full speed then turn off and listen. While motor is locked off, and drive (belts or coupling is disconnected) check the rotor shaft for looseness by applying pressure in the vertical or axial directions to assess excessive play. Turn shaft by hand a few rotations and listen carefully for unusual noises in the bearings.,,,,