Mill drives: the desire for increased power and the ... - Siemens
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 considered when set-ting gear ratios, service factors, and motor power ratings. For gearless drives, motor torque output at the maximum desired operating mill speed and ball charge volume has ...
اقرأ أكثرHAVEC - Ball Mill Alignment
BALL MILL ALIGNMENT. Ball mills are rotary equipment with relatively high speed of operation commonly used at industry. In fact, due to this higher speed of rotation all the components: pinions, gears, main and auxiliary drives has to …
اقرأ أكثرVibrations 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 ...
اقرأ أكثرIntelligent gearing system—solution to understand and …
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 3 for a schematic of the mill drive system. The girth ...
اقرأ أكثرBall Mill Maintenance & Installation Procedure
Establish vertical and horizontal centerline of mill and pinion shaft against the effects of this, we recommend that the trunnion bearing sole plate be crowned so as to be higher at the center line of the mill. This is done by using …
اقرأ أكثرLateral Drive Alignment Ball Mill - Crusher Mills
SAG mill pinion – gear alignment … LGD Lateral Gear Drive. drives the ball mill directly via the pinions of the two output shafts and reduces the speed of … II-84 alignment, that is, the pinions were now misaligned in the opposite direction. … occurs inboard from the non-drive end for Ball Mill 1. A similar analysis
اقرأ أكثرPinion Gear Ball Mill - tuinprojecten-verbist.be
By mill we refer to Ball Mills, Rod Mills and SAG Mills. Anything gear and pinion really. The discharge end of the mill; For the operator this only becomes a problem should the bolts that hold the liners in begin to leak water and ground rock. This combination is called SLURRY. If this slurry gets onto the face of the bull gear it will act like ...
اقرأ أكثرBall Mill Girth Gear and Pinion Alignment - CR4 Discussion …
Anonymous Poster #1. # 4. Re: Ball Mill Girth Gear and Pinion Alignment. 08/27/2011 2:07 AM. pinion alighnment is done by coating the pinion with a lead based grease. after rotating the drum, the grease marks will show the contact area. the pinion should contact the girth "ring" near the center of the gears.
اقرأ أكثرInching Drives For Ball Mills In India-HN Mining Machinery …
Dec 10, 2012 how to align ball mill pinion to drive motor-[crusher and mill]. Ring-geared mill drives Single and dual pinion.SAG and ball mill applications and are able … I have been asked to align the pinion-gear on an 8′ x 24′ SAG mill. … More detailed.
اقرأ أكثرBall Mill Maintenance & Installation Procedure
1. Establish vertical and horizontal centerline of mill and pinion shaft against the effects of this, we recommend that the trunnion bearing sole plate be crowned so as to be higher at the center line of the mill. This is done …
اقرأ أكثرPaper # 25 - Copper Mountain Overview on the Grinding …
Table 4, 5 and 6 include the technical data for the Copper Mountain ball mills. Table 4 - general ball mill data Specification Data Mill size 7.315 M [24 feet] diameter by 12.039 M [39.5 feet] long Mill type Wet grinding, overflow discharge Mill drive motor size 17,000 HP Mill drive motor type Synchronous 200 RPM Inside diameter 7,315 mm
اقرأ أكثرAligning A Train Drive On A Ball Mill - caesarmachinery.com
A small electric motor and speed reducer coupled to the main drive rotates the ... ball mill pinion alignment pdf ... machine train alignment, motor ... centre drive ball mill Application Solution Results 1 - 44 of 44 ; Mill City Dart League - Lowell, Massachusetts - Non-Profit ...
اقرأ أكثرpinion ball mill drive - nagrobki-rogala.pl
Selecting Inching Drives for Mill and Kiln Applications. of the inching reducer drive can be added to reflect efficiency losses. P inch = P inch ·(1 + (stage · 0.01)) where stage is the number of reductions between the inching drive motor and the main drive input shaft (or mill pinion if direct driven) Round up P inch to the next standard motor power.
اقرأ أكثرBall Mill Repairs - Trivett Contracting
Complete Ball mill turnkey maintenance, inspections and repairs including. Complete drive line inspections including pinion, clutch, reducer and motor alignment. Complete clutch and wear pad maintenance. Full inspection and re-greasing of drive line bearings. Trunnion bearing, seals and housing inspections. Main gear and pinion inspection.
اقرأ أكثرhow to align a rod mill pinion
how to align a ball mill pinion and girth gear. align ball mill pinion gears hsbcgraduatescoza. Ball Mill Girth Gear and Pinion Alignment CR4 Discussion 28/08/2011 Re Ball Mill Girth Gear and Pinion Alignment 08/27/2011 2 07 AM pinion alighnment is done by coating the pinion with a lead based grease after rotating the drum the grease marks will show the contact area the …
اقرأ أكثرHigh vibration on the ball mill drive train A and B
Registered Member. Follow. 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.
اقرأ أكثرWhat Is A Ball Mill Barring Gear - Tulip Projects
McCann Equipment Ltd. also known as a barring or auxiliary drive how to align ball mill pinion to drive motor,. Ball Mill Girth Gear Installation Pdf. Apr 13, 1993 The total weight of the ball mill when fully charged is about 280 t. 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 ...
اقرأ أكثرBall mill installation| Henan Deya Machinery Co., Ltd.
When the ball mill starts, the motor overloads or cannot start: No running by subsidiary drive system: Subsidiary drive running first, then start the ball mill: Oil pressure too high or too low: blockage of oil pipe, insufficient oil quantity. ... Ball mill vibrating: Gear and pinion do not contact well, or severely wearing ...
اقرأ أكثرBall Mill Pinion - Vibration Analysis & Machinery Diagnostics Forum
Reply with quote. #1. I have an issue with a gear drive on a ball mill. 2XGM is rising and i have sidebands at 107cpm and I don't know why they are at 107 (not relevant to any turning speeds ect.) I checked the root clearance a week ago and the inboard is about a .066 smaller than the outboard. The pinion is 24" long and has 24 teeth.
اقرأ أكثرduel drive motor in a ball mill
IEEE Xplore Abstract - Ball mill drive motor choices The time has come to re-think the approach to mill drive motors because of the growth in size of newer ball mills, the ... Application: 1 x 11000kW SAG Mill driven by Dual 5500kW motors, 1 x 5500kW Ball Mill. 10 MW coupling combination with lock-up clutch - … Read More
اقرأ أكثرball mill alignment procedure - KOOKS
ball mill girth gear radial axial alignment procedure. Sag Mill Syncronis Motor high axial vibration non drive end . Nov 1 2014 The pinion and girth gear yes are worn but thermo graphic and visual . to produce high electromagnetic airborne noise and radial not axial housing The alignment between the motor and pinion shaft through the air clutch has . there can be more …
اقرأ أكثرhow to align a ball mill pinion and girth gear
how to align ball mill pinion to drive motor- [crusher and mill] GEAR GIRTH. Ball mill 9000 HP Motor speed 990 rpm Mill speed 14 rpm … I have been asked to align the pinion-gear on an 8' x 24' SAG mill. … ball mill girth gear radial, axial alignment procedure ball mill girth gear alignment. …
اقرأ أكثرHorizontal Mill Pinion Drives | Beneficiation | Siemens Global
Products for SIMINE Pinion mill drives. Siemens provides high-speed drives as well as low-speed drives. Our high-speed drive solutions provide operational flexibility and full modularity. The power ranges from 100 kW to 24 MW. Our …
اقرأ أكثرmill drive motor - saad.es
Jan 19, 2017· Another option that was suggested to me is the use of a 3-phase motor coupled with a VFD (variable frequency drive) The VFD takes 120 VAC single phase input and outputs 230VAC 3-phase The variable frequency component, coupled with a 3-phase motor, gives you speed control...
اقرأ أكثرPinion For Ball Mill - ssi-distribution.co.za
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. Read More
اقرأ أكثرBall Mill Drives - 911metallurgist.com
DIRECT CONNECTED Ball Mill DRIVE When power exceeds 300 HP a direct connected drive is recommended. This drive is also applicable for lower power requirements if desired. Synchronous motors are preferred, but …
اقرأ أكثرBall Mills - Mineral Processing & Metallurgy
These ball mills are relatively small, bearing mounted on a steel frame. All ball mills are sold with motor, gears, steel liners and optional grinding media charge/load. Ball Mills or Rod Mills in a complete range of sizes up to …
اقرأ أكثرPinion Shaft - an overview | ScienceDirect Topics
The gearless drive design was not applied to the mills in the mineral industry until 1981 when the then-world's largest ball mill, 6.5 m diameter and 9.65 m long driven by a 8.1 MW motor, was installed at Sydvaranger in Norway (Meintrup and Kleiner, 1982).
اقرأ أكثرCauses and solutions of severe vibration of ball mill pinion
Solution: replace the pinion of the ball mill, add two anchor bolts on the inner side of the pinion and the meshing side of the big gear, and reinforce the base again. After the operation, the foundation shall be cleaned first, and the levelness, …
اقرأ أكثرCalculation Of Motor Kw Hp Of Ball Mill Up To 1200 Kw Of 60 …
Automotive Engine Physics And Mechanics. 2020222Multiply this by the velocity and end up with a Force At 60 mph the total required horsepower to overcome this and maintain a constant speed is 164.7 88 550 or 26.4 horsepower 20 kW. at 70 mph it is 40.9 HP 30.5 kW a considerably higher drag load the 550 is to convert feetpounds per second into ...
اقرأ أكثرhow to replace girth gear in ball mill - Fonz
Ball Mill Girth Gear Driving By Torsion Shaft And. Object -Girth Gear Replacement work.Tools require10 ton chain block 1 seling for lifting girth gear.5T Chain block Qt-2 1/3 sealing for girth gearWinch machine with 100mt sealing wire for mill rotationHeavy duty pulley, Rope (for pulling),Tens. Get Price.
اقرأ أكثرBall Mill Drives - 911metallurgist.com
Motor speeds will vary from 225 rpm to 450 rpm. The motor and pinion shafts are connected together through a flexible coupling. This drive is the most compact, resulting in minimum floor space. In cases where motors must …
اقرأ أكثرHow To Align A Horizontal Ball Mill - neuvillefoot.fr
How to align ball mill pinion to drive motor crusher . maagtm lgd lateral ge drive for horizontal mills ball mill directly via the pinions of the two output shafts and reduces the speed of the mill drive motor to the . alignment ball mills polysius minemining. Read It Backlash In Pinion Girth Gears Resourceplus .
اقرأ أكثرCentral or Girth Gear Drive for Ball Mills - Artec Machine
Ball mill 9000 HP Motor speed 990 rpm Mill speed 14 rpm R/L ill diameter 5 m Mill bearing 22 m ----- ----- Project A Two-pinion girth gear drive Fig. 2A 1 Annulus, 2 pinions 2 Reducing gears, each 2-stage 2 Main motors 2 Turning ... As well a3 delicate alignment problems, tendency to mill position shift and impairment of running conditions. ...
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