Ball mill high vibs AMP Maintenance Forums
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.
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How to Start a Ball Mill or Rod Mill Start the lubrication system and run it for about ten minutes adjusting the oil flow at each bearing Check all of the bolts and nuts on the mill for tightness and remove all ladders tools and other obstructions prior to starting the mill how to install pinion ball mill trunnion bearings girth gear
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Parts of Ball Mill to be lubricated Trunnion bearing Feed end Gearbox Trunnion bearing Dis end Pinion Fig.2 Ball Mill diagram Motor 21 Gathered Data This were the alarm gathered during my stay in the Mill MILL ALARM DATE Diff High Pressure Trunnion Feed End April 20 2013 SAG Bearing Recirculation Oil Inlet Temp.
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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
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ball mill pinion bearing Henan Mining Heavy Machinery Co Ltd how to install pinion ball mill Description mills and their dual pinion mill drives ball mills About ball mill bearing assembly related information introduction this McMaster Carr Stocking distributor of over 350 000 industrial products On l Read more
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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.
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The pinion drives the trunnion it s what makes the ball mill turn The pinion is a small gear with a matching tooth profile to the ring gear on the ball mill From a bearing point of view there are two bearings at the end of the shaft on the pinion and there are two bearings on either end of the ball mill.
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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
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Ball mill at the Asarel Medet copper mine 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
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Actually I think Danny is onto something Mill speed = 180 x 24/241 = 17.925 107.67 17.925 = 6.007 so the sideband frequency is 6X the mill speed Does the bull gear have 6 segments Is the bull gear mounted above the pinion or to the side Is this a horizontal ball mill with large brass sleeve bearings at either end
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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 by using a higher shim at the center than at the ends and tightening the foundation bolts of both ends Ball Mill Sole
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The pinion is a small gear with a matching tooth profile to the ring gear on the ball mill From a bearing point of view there are two bearings at the end of the shaft on the pinion and there are
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Parts of Ball Mill to be lubricated Trunnion bearing Feed end Gearbox Trunnion bearing Dis end Pinion Fig.2 Ball Mill diagram Motor 21 Gathered Data This were the alarm gathered during my stay in the Mill MILL ALARM DATE Diff High Pressure Trunnion Feed End April 20 2013 SAG Bearing Recirculation Oil Inlet Temp.
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The cost of edge drive is low but the pinion needs to be replaced every 2 5 years Edge drive is mainly used in coal mills and mills with small power The girth gear big ring gear and pinion are the key of the edge transmission device Their reliable operation is directly related to the stable production of the mill.
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Pinion gear is one of the indispensable spare parts of ball mill equipment according to the direction of tooth shape can be divided into straight teeth and oblique teeth there are two kinds of key type and expansion type Different specifications of the ball mill selection of pinion teeth and modulus are not the same Mainly according to the speed of the mill and the bearing capacity of the
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grinding mill regardless if it is a current or in a ball mill trunnion liner foundation head clutch reducer pinion bearing identifying the cause of failure then Ball Mill Slide Shoe Bearingsbulk online Forums on the running face inside the trunnion casing to wipe oil
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Ball Mill Pinion Sales Inquiry Ball Mill Pinion Gearless AGSAG millsRemoval of limits of design power gear and pinion drives are practically limited to about 10000 hp per pinion at this time there is no reasonable gear drive alternative for more than two pinions or above 20000 hp the best solution is the gearless mill Read More
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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.
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Axial Vibration Of Ball Mill Pinion Frequency domain characterization of torque in tumbling ball mills Jan 1 2018 A methodology to evaluate ball mill filling level based on torque signal is in the torque transmission chain such as gears pinions and crowns of a gear is the oscillation frequency due to torsional vibration
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Gear/pinion assembly on ball mill 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 seek an alternative
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