ball mill drive motors

Home ball mill drive motors

14 x 23 ft (4.3 x 7 m) FLS ball mill with 3,000 HP - Two piece shell - Run for only 1.5-2 years - Currently installed - Lubrication system - 3,000 HP induction motor - Clutch - 284 tooth bull gear, with 28 in face - 18 tooth pinion with 28.5 in face - Babbitt bea...


Benshaw has in excess of 100,000 HP of installed ball mill motor control base, and 30 years of experience with ball mill motor controls. Using this experience, Benshaw has pioneered the innovative technique of using a low voltage AC drive to power a medium voltage application … providing a reliable, cost effective solution for ball mill control.


Motor Power To Drive Ball Mill. Figure 9 shows the mill-drill with the existing cnc x-axis on the left end of the tablehe y-axis has now been fitted with the re-bored driven timing pulley instead of the handwheeligures 10 and 11 show close-ups of the y-axis timing pulley before mounting the motor.


ball mill motor control base, and 30 years of experience with ball mill motor controls. Using this experience, Benshaw has provided the innovative technique of using a low voltage AC drive to power a medium voltage application to provide a customer with a reliable and cost effective solution for …


Ball Mill SPEED REDUCER DRIVE. This is essentially a direct connected drive permitting the use of higher speed motors. The motor shaft is connected to the high speed shaft of a reducer by a flexible coupling and similarly the low speed shaft and pinion shaft are coupled. Gear motors or motor reducers may similarly be used but such applications ...


EMZ was once again able to prevail in a strong international competition and win a tender for a 3,600 kW three-phase slip-ring motor to drive a ball mill in a cement plant in North Africa. The motor is designed as an electrically and mechanically interchangeable reserve motor, so that the motor can be installed on the existing foundations ...


Take one of its 40T Chinaware ball mill as an example: the power of this machine's motor is 132KW, and actual working power is 115KW. This machine works 18 hours per day, and 30 days per month. So we can conclude that this machines' monthly power consumption volume is 115KW*18*30=62100kWh.


Structural Features of Ball Mill. Ball mill is mainly made up of feeding part, discharging part, rotating part, and drive part. Drive part consists of reduction gear, small drive gear, electrical motor, and electrical control system. Its hollow shaft adopts steel casting. …


the desired motor power and drive rating, the maximum design mill speed, and the maximum design ball charge volume (Barratt, 1989). For single pinion and dual pinion drives, with 21 MW now a distinct possibility, the probability of pinion changes to a higher mill speed should always be …


The 1 st type of ball mill can be modified by a permanent magnet direct-drive motor. After modification, the power saving rate is 12 ~ 25%, and the average power saving rate is about 17%. (2) Ring type direct drive motor is used to replace all the driving systems to directly drive the roller;


ball mill,ball mills, ball milling, ball mill parts. Ball Mills maintenance standards: 1. …. Reducer, motor and the transmission drive shaft coupling should maintain high coaxial, ….


Ball mill special PM motor: In the traditional ball mill, the two most common transmission modes are : The 1st type: open peripheral gear transmission: that is, winding asynchronous motor drive reducer -> reducer (or large winding synchronous motor) drive pinion-> pinion meshing with gear ring mounted on the mill roller drive the mill.


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.


Ball Mill Operation. Ball mills ride on steel tires or supported on both ends by trunnions. Girth gears bolted to the shell drive the mill through a pinion shaft from a prime mover drive. The prime movers are usually synchronized motors. During rotation, a portion of the charge is lifted along the inside perimeter.


BALL MILL DRIVE MOTOR CHOICES - Artec Machine Systems. ball mills, the starting torque restrictions of some of the newer mill drive ... in the past has been the low speed synchronous motor driving through an open pinion and bull gear. ... reflected to the motor shaft is calculated to be 24,300 ft …


Edge Drive Ball Mill: The motor drives the gears at the edge of the cylinder through the reducer to drive the cylinder movement. (6) Types on the Basis of Process Characteristics. 1. Wet Type Ball Mill: Water is added at the same time of feeding, and the material is discharged into a certain concentration of slurry. In the closed-circuit system ...


roller presses horizontal mills and kilns. technology of mill gear units for the cement industry with great success in 1966. Since then over 700 MAAGTM gear units were sold in this sector. The company option to drive small ball mills. The drive train consists of main motor gear-box with foot high and low speed coupling oil unit auxiliary drive and


•Additional vibration data was collected from the motor & gearbox of the 1A Ball Mill Drive under no load. •To determine what problems (if any) existed with the drive, a comparison of the route vibration data between 1A & 1B Ball Mills was made as well as between loaded & unloaded data at 1A Ball Mill.


Walks the walk, talks the torque. Designed to deliver exceptional levels of performance and value, David Brown Santasalo ball mill drives are optimised for primary and secondary grinding applications. Extensively field tested and proven in harsh cement applications, our mill drive gearboxes cover all grinding applications up to 10 MW per drive ...


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.


Since the drive motor rating of the mill is the highest among all the high tension (HT) motors of Alumina refinery, so it is connected with high voltage electrical supply line at about 6.60 kV. Hence all precautionary measures are taken to start the Ball mill for normal operation.


200 HP (150 kW) Synchronous Motor with starter, 180 RPM. Synchronous motor and starter used to power a 7 x 10 ft Marcy ball mill Motor: - 200 HP (150 kW) - 180 RPM - 460 V Starter: - Weaver Electric Custom Control Synchronous Starter - HP 300-200 - Voltage 575-460 - Ex...


The ball mill and the motor will have longer life and low maintenance. 3. With the variable frequency drive, the ball mill will be able to achieve automatic control. The manual, line frequency and fault auto switch functions are available. Recovery voltage caused by large inertia is also overcome, and the normal operation of the equipment is ...


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. Gearbox hold-down bolts are breaking due to high vibration.