By combining with SAG discharge and screening on the SAG discharge screens, top size control to the ball-mill circuit feed is maintained while still unloading …
Gear Driven Mills Pinion Vibration Issues - belgian, Sag Mill Pinion Vibration Problems,Crusher USA » stone grinder pin mill colloid mill hammer mill » ball mill and sag mill Chat With Sales . Detailed Vibration Analysis of Pinion Gear with Time ...
I work in an industrial copper company as vibration analysis supervisor. This company started to work about 2 years ago. We have two Ball Mills and one Sag Mill. We had some visual inspection on pinion and ring gears, during these inspections we found some abnormal wear on this gears (pictures show this problem in enclosure).
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Sag Mill Pinion Vibration Problems. Sag Mill Pinion Vibration Problems. As mentioned the Sag Mill was run for 8 days at its limit 5500kwto 5700 kw and this is the time the high vibration started I still have the motor suspect but the gearing pinion and girth gear did not look too bad
The Ernest Henry SAG mill (11 MW) is currently the largest twin pinion single drive mill installed in Australia. Problems have been experienced with the twin pinion drive at Fimiston and with the ring motor at Cadia. At Cadia, excessive vibration and deflections in the drive stator were encountered during commissioning of the mill and later ...
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 …
SKF supplied locally manufactured mill pinion assemblies including in-house designed bearing housings as well as a Taconite sealing solution to a longstanding customer in the local grinding mill sector intended for a 22x14 ft. SAG mill at a gold project in Russia.
Dual pinion sag mill huisarts vansichemnl. Ball Mill Failure Modes stundengebet SAG mill, ball mill, ring gear, dual pinion, drive systems, variable Chat With Sal Chat With Sal ball mill failure modes OptonClinic Ball Mill Ball mills are used primary for single stage fine …
Sag Mill Pinion Vibration Problems Sag Mill Pinion Vibration Problems. As mentioned the Sag Mill was run for 8 days at its limit 5500kwto 5700 kw and this is the time the high vibration started I still have the motor suspect but the. Service Online egs stand for in sag mill power.
SAG Mill Components. Once the basic operating conditions have been defined for the mill designer then, and only then, can he begin taking into account shell and head stresses and trunnion bearing sizes required to carry the load and to give …
Vibration Sag Mill Motor NDE Bearing. At our mine we have an issue with vibration at the Sag Motor NDE bearing. The bearing is a journal white metal bearing. The motor has been running for about 14 months now. The vibration at the NDE bearing was around 2mm/sec. In the last month it has climbed to 4.5mm sec with the dominate frequency 1x RPM.
vibration problem in cement mill. Mechanical failure is an important factor affecting the efficiency of Cement Grinding Mills which is a problem that many users worry about It is believed that many customers in the production encounter the phenomenon of severe vibration of the Cement Grinding Mill First of all we must know what causes this and then we can prescribe the right medicine SBM ...
vibration problems in coal mill - vitruvia.mx. Sag Mill Pinion Vibration Problems - Crusher USA » stone grinder pin mill colloid mill hammer mill » ball mill and …
When the Sag Mill was in operation the clutch operation just did not look ok and pad wear was uneven. The clutch was changed with a used clutch and the results were significant. The axial vibration on the Sag NDE bearing axial plane reduced from 30mm/sec rms to under 2mm/sec rms. The motor vibration is now satisfactory in all planes.
Fig. 1 shows a dynamic analysis by ODS, detecting high deflections (the red area) in the pinion bearing housing of a semi-autogenously grinding (SAG) mill. This problem occurred when the company increased the production (i.e., load) in the SAG mill. The root cause to the problem was that this mill was not designed to operate at such a high load.
Sag Mill Vibration Problems. Sag Mill Pinion Vibration Problems Sag Mill Pinion Vibration Problems. As mentioned the Sag Mill was run for 8 days at its limit 5500kwto 5700 kw and this is the time the high vibration started I still have the motor suspect but the. Service Online Problems in the cement industry. PROBLEMS.m m.
Figure 1 shows a dynamic analysis by ODS, detecting high deflections (the red area) in the pinion bearing housing of a semi autogenously grinding (SAG) mill. This problem occurred when the company increased the production (i.e., load) in the SAG mill. The root cause to the problem was that this mill was not designed to operate at such a high load.
The larger the mill, the greater are the stresses between the shells and heads and the trunnions and heads. In the early 1970s, maintenance problems related to the application of gear and pinion and large speed reducer drives on dry grinding cement mills of long length drove operators to …
High Axial Vibration On A Ball Mill. FOB Reference Price: Get Latest Price High Axial Vibration On A Ball Mill. Axial vibration cement mill qlifebeigh vibration cement ball mill ball mill wikipedia the ball mill is a key piece of equipment for grinding crushed materials and it is widely used in production lines for powders such as cement silicates refractory.
Misalignment Unbalance Looseness Defective Bearings Resonance Electrical Problems Aerodynamic / Hydraulic Forces Vibration applications Compressor Blower Sag mill and Ball mill motor, reducer and pinion Crusher motor inner/outer pinion shaft CHARACTERISTICS OF VIBRATION Amplitude Displacement Units are mils or microns(1 micron = 0.001mm or 0 ...
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 …
table 1 - ball mill shaft speeds, expected forcing & fault frequencies ball mills, forcing frequencies (cpm) shaft speeds 1x rpm motor speed 1,191 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
the range of gear driven mills to a theoretical limit of 32 MW. The Ernest Henry SAG mill (11 MW) is currently the largest twin pinion single drive mill installed in Australia. Problems have been experienced with the twin pinion drive at Fimiston and with the ring motor at Cadia. Get Price; High Vibration Ball Mill Duel Pinion Drive Mechanical ...
Grinding Mill Foundations. admin 23 September 2014 2014, Design, Foundations, Stiffness, System Analysis, Vibration. Most of our work since 2000 has been in developing grinding mill foundations to avoid vibration and unacceptable deflections. On a recent project for a plant in Peru, the client was told by the mill vendor that there was no need ...
Sag Mill Syncronis Motor high axial vibration non . When the Sag Mill was in operation the clutch operation just did not look ok and pad wear was uneven The clutch was changed with a used clutch and the results were significant The axial vibration on the Sag NDE bearing axial plane reduced from 30mm/sec rms to under 2mm/sec rms The motor vibration is now satisfactory in all planes
Out Problem Cement Mills Pinion Vibrations. Ball mill drive motor bearing 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 ...
Sag Mill Pinion Vibration Problems - Crusher USA . About sag mill pinion vibration problems-related information:contents. introduction; power from water; impulse turbines the pelton wheel; reaction turbines ... Mills - SAG, Ball & Rod - CJT Surplus Equipment . Mills: SAG, Ball & Rod. ... •Used 11.5' dia x 18' long Kennedy Van Saun ball mill ...
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The discharge grates of the SAG mill were identified as a key component in the SABC circuit, and their design is a crucial factor in the mill's performance [17,18,19,20,21]. The initial design of the grate section caused a serious accumulation of pebbles within the …
Gear Driven Mills Pinion Vibration Issues Klein . Gear driven mills pinion vibration issues lesefair ball mill girth gear high vibration problem case study mills, rotary furnaces or where the sealing For girth gear high load carrying capacity 4 of the drives and How to Repair a Gearset without Downtime Klber USA We are here to solve your problems 24/7, and your inquiry is welcomeBall
Online Vibration Monitoring System Improves Fault Detection in a SAG Mill. A copper mine site already had an extensive condition monitoring program in place. We went through their oil analysis reports regularly, sitting down with them and going …
SAG mill drives (as GMDs) by some operators and principal motor designers/manufacturers until the reasons for known problems in design or manufacturing were better understood and resolved. Accordingly, the latest 40 ft dia. SAG mill is rated at 29 MW and 78% C.S., with a 42 ft dia. mill built but not yet operational. The more recent option
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