ball mill pinion failure

Keeping those ball mills turning

May 11 2020 0183 32 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...

Sag Mill Pinion Failure

noise on ball mill after pinion replacement - YouTube 5 Mar 2014 ball mill pinion failure - beltconveyersmill Ball Mill After 0040 Pinion Move 99/12/09 PINION at bull gear ball mill vs sag mill - grinder Read more...

High vibrations on a ball mill AMP Maintenance Forums

Jan 21 2011 0183 32 Herringbone gear should mirror across the center and I believe that spur gear temperature is the same across the contact line You spectrum really look like alignment problem of the pinion We had synchronous motor so we first align the gearbox with the motor then the pinion with the gearbox and finally the ball mill with the pinion...

ball mill pinion gear shaft

Ball Mill Shaft Failure Analysis- SPECIAL Mining machine Ball mill pinion gear shaft christineskkennl pinion gear sag mill ggzplusnederlandnl ball mill pinion alignment riskmark from mon ball mills there is a second type of ball ball mill alignment zenith grinding mills and their dual pinion...

Ball mill torque dual pinion failure

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 grinding regrinding and as the second stage in two stage grinding circuits According to the need of Chat...

BALL MILL GEARBOX PROBLEM

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...

Ball Mill Pinion Shaft Failure

Very interesting maybe not to the customer shaft failure This is from a pinion gear shaft on a ball mill They replaced the original coupling with a custom pin-and-bushing coupling that someone at a local machine shop designed and built It s extremely large almost 1000 lbs each half and the shaft only extended a little over halfway into the hub It also had a tapered bore they re...

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BALL MILL PINION BALL MILL PINION Don t Let Production Problems Stop Your Success We are the right people in business for 31 years saving our customers time and money Central Gear Machine has provided innovative reliable repairs and rebuilding at a 40 to 60 savings from replacement cost...

ball mill failure

Ball mill torque dual pinion failure ball mill torque dual pinion failure SAG mill ball mill ring gear dual pinion drive systems variable speed the Copper Mountain mills only a torque limiting coupling is used in place of an air clutch to problems on the mechanical ponents of the drive train Get Price Oline Chat...

Ball Mill Pinion Repair

Ball Mill Pinion Rebuild Repair and Emergency Servic Once your Ball Mill Pinion arrives at our facility we disassemble clean inspect and measure all gears and shafts and determine if your Ball Mill Pinion gears and shafts are qualified to be repaired...

How to install and align the girth gear and pinion prmdrive

Jan 14 2020 0183 32 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...

How to Prevent Pinion Damage in Ball Mill in Advance

Therefore the equipment temperature can be observedto check whether there is a fault in the ball mill pinion ball mill operating temperature range of 50 65 176 C The above four daily inspection records can not only check the ball mill small gear fault but also check the large gear bearing and other components whether there is a fault so...

Grinding ball mill girth gear root clearance

Apr 27 2020 0183 32 How do you measure the root clearance between a girth gear and a pinion of a grinding ball mill and what is the recommended root clearance This ball mill uses helical gears ie 284 teeth girth gear with a 24 teeth pinion Register to Reply Pathfinder Tags Ball mill root clearance...

Root cause analysis of bowl

Apr 01 2013 0183 32 Pinion shafts made of 18CrNiMo7-6 material are used for transmitting torque from motor to gear box used in bowl mills of fossil fuel fired power plants This work elucidates the metallurgical investigation that was carried out on a failed pinion shaft for analyzing the cause for failure...

noise on ball mill after pinion replacement

Mar 05 2014 0183 32 noise on ball mill after pinion replacement Posted at December 20 How To Solve The Bearing Problems Of Ball Mill ball mill the normal operation of the sound will The ball mill daily maintenance...

Ring gear drives huge grinding mill Machine Design

Following the SAG mill will be two 9 000-hp ball mills each one 20-ft in diam and 331/2-ft long that do the finish grinding ring gear through a pinion and the ring gear turns the mill...

Pinion pittings in open girth gear

Jul 16 2003 0183 32 pinion od - 867 mm The mill is mounted on white metal bearingsThe mill cannot have free rotation while stopping like as if its mounted on antifriction bearings but there is no brake provided to stop The mill is not stopped by reducing the speed as the drive system is not designed so The rpm of the mill is around 17 ie girth gear rpm...

TECHNICAL How to Spec a Mill Gear

the mill outside diameter The mill out-side diameter is a function of the grind-ing process selected Autogenous mills are the largest in diameter since the feed grinds itself A semi-autogenous mill uses some metallic or ceramic balls to assist the grinding process and can be slightly smaller Ball mills...

Gears And Pinion For Ball Mill

Ball Mill Girth Gear And Pinion Alignment Cr4 Discussion Aug 28 2011018332Re Ball Mill Girth Gear and Pinion Alignment 08272011 207 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 quotringquot near the center of the gears...

ball mill drive mode ball mill erection ball mill failure

ball mill drive mode ball mill erection ball mill failure The ball mill as a means of investigating the mechanical failure of objectiw the main purpose of this paper is to present a new method of predicting brackets and bands is described in which the ball mill was used to subject contact us opexshare ball mill explosion failure to identify incompatible...

ball mill gear box failure

failure modes of grinding mills bellevue lenk ch Failure modes of grinding mills altdeutsche grinding mill failure modes the grinding circuit consists of a sag mill and two ball mills all dual pinion modesBall mill failure modes pdf stone mobile more time synchronous averaging of ball mill vibrations this note presents an investigation into the problems of ball mill...

Case study Pinion bearing damage in ball mill

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...

Noise On Ball Mill After Pinion Replacement

ACU BOTSWANA AFRICAN COPPER ACU or the Company announces the failure of the Ball Mill pinion shaft at the rendered the Ball Mill Read more cement ball mill pinion replacement work - gmecrusher Rod ball mill hollow shaft spherical bush drive shaft pinion and the barrel repair replacement Noise On Ball Mill After...

Common problems and solutions of ball mill

Mar 29 2018 0183 32 Common problems and solutions of ball mill Published on March 29 can cause the intermediate shaft on one side of the ball mill of high-speed shaft pinion driven wheel the ball mill...

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...

what causes ball mill transmission gear failure

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 Three causes of gearbox failure - MRO MagazineMRO...

Mill Pinion Gears David Brown Santasalo

Mill Pinion Gears Our high torque high precision integral and non-integral mill pinions are used in SAG horizontal ball mill and rotary kiln applications across the globe Supplied as an individual component or as a fully optimised system comprising a girth gear mill drive gearbox pinion and barring drive our pinions are manufactured...

Global Physical Asset Management LinkedIn

We also provide an onsite failure analysis as per AGMA 1010-F14 of failure modes present if any Gear Cleaning Shell Mapping ASTM E2905 Cleansolv Pinion Alignment Ball Mill Inspections...

BEARING FAILURE CAUSES AND CURES

LUBRICANT Discolored bluelbrown ball trah and balls are swptoms FAILURE of lubricant failure Eiceisive wear I of balls ring and cages will follow resultina in overheatinn and Balls wfll also be bluehkk subseqGent catastrophLc failure Ball bearings depend on the continuous presence-of a very thin-millionths of an inch-film of...

Ball Mill Pinion

So it is a large synchronous motor coupled to a stub shaft coupled to the pinon and it meshes with the bullgear that is on the outer circumference of the mill Pinion speed is indeed 180 Bull gear tooth count is 241 I had a cage failure on one of the pinion bearing 2 years ago at...

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